Binding of Isaac: Rebirth Wiki
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This article is about co-op babies. For the monster, see Baby. For items that follow Isaac, see familiar.

Rebirth features 2 player local co-op on PC. The Afterbirth DLC increased this to 4 player local co-op. The PlayStation 4 and Steam versions of the game are capable of both local and online multiplayer via PS4's "Share Play" and Steam's "Remote Play Together" features, as well as a dedicated online multiplayer system in early beta. (These versions can also support up to 4 players.)

Co-op players can join in at any time as a random baby, taking a Red Heart container away from Isaac and giving it to the second player. Subsequent pressing of the join button will despawn the baby, giving Isaac the Red Heart container back.

Babies share Isaac's stats except for health and damage; babies deal half of Isaac's damage. Babies always have flight, but they cannot interact with objects like items and pickups, except for certain special babies like Magnet Baby and Isaac 2.

(except in Rebirth) Joining as a co-op baby will bring up a menu that allows the player to pick from 5 special babies. Dying as one of the available special babies will remove it from the pool.

(in Repentance) If you start a normal game and player 2/3/4 presses Start while in the starting room, a mini character selection wheel displays at the top of the screen, with which that player can choose any unlocked character, or a random character. If a player dies without any revival items, they become a ghost baby that can only deal minimal damage and press buttons. Once the boss of a floor is killed, the dead player is reborn with all the items they once had, but with half a heart. When a boss is killed, the item pedestal will spawn as many items as there are players. All players share resources (coins, bombs, and keys), but each have their own hearts and items. All damage players do to bosses is reduced by 20%, including the damage from items, familiars, or bombs. Once all players die, it's game over.

Notes (Co-op Babies)[ | ]

  • Soul Hearts will be given to Player 2 before normal hearts, and half hearts will be given before full hearts. If player 2 dies, they can rejoin the game at the cost of another Red Heart container, as a new random Baby.
  • The appearance of a majority of the co-op babies is solely cosmetic, but there are several "special" babies with beneficial effects. However, some special babies have detrimental effects.
  • The last shooting familiar Isaac picked up will follow Player 2 instead of Isaac.
  • If Isaac has more than 6 total hearts, including Soul Hearts and Black Hearts, Player 2 will take two hearts instead of one.
  • If Isaac has a maximum of 12 hearts, including Soul Hearts and Black Hearts, Player 2 will take three hearts instead of one or two.
  • The maximum amount of hearts Player 2 can have is three Red Hearts and one Soul Heart, using Collectible Scapular iconScapular.
    • (except in Rebirth) This limit increases by one Red Heart container, Soul Heart, or Black Heart when using Red Baby, Blue Baby, or Black Baby, respectively.
  • Because at least 1.5 hearts are required for co-op, Player 2 cannot join when playing as Character The Lost iconThe Lost.
  • On the Nintendo Switch, you must restart the game after setting up the controllers or the join button will not work.

(in Repentance)Strategy (True Co-op)[ | ]

Main Page: Repentance Co-op

  • Character Magdalene iconMagdalene not only heals herself with Collectible Yum Heart iconYum Heart, but also heals all other co-op players for a Half Red Heart. It's best to pair Magdalene up with characters who benefit or rely heavily on red health, such as Character Samson iconSamson, Character The Forgotten iconThe Forgotten, or Character Bethany iconBethany.
  • Character Cain iconCain can pair well with Character Lazarus iconLazarus, as Cain can take Lazarus' pill to have it be a guaranteed positive or neutral pill for Cain.
    • Collectible Lucky Foot iconLucky Foot will not convert pills unless Cain holds them, so it can still be a negative pill if used by Lazarus.
  • Character Tainted Lost iconTainted Lost's reroll mechanic will apply in co-op, but this still includes the reroll of any items not labelled as "offensive".
  • Character Keeper iconKeeper/ Character Tainted Keeper iconTainted Keeper will not replace heart drops with flies when paired with other characters that use hearts.
  • On kill effects such as Collectible Infestation 2 iconInfestation 2, Collectible Lusty Blood iconLusty Blood, or Character Tainted Keeper iconTainted Keeper's coin drops will trigger for the player holding it regardless of which player killed the enemy.
    • Similarly, effects that trigger on damage, such as (in Repentance)Collectible It Hurts iconIt Hurts trigger on players who take damage, regardless of who took damage.
  • Character Tainted Magdalene iconTainted Magdalene synergizes with Character Tainted Bethany iconTainted Bethany as due to Tainted Maggy's generation of heart pickups, Tainted Bethany can quickly accumulate Blood Charges.
  • Character Tainted Isaac iconTainted Isaac can be a viable choice for a character, as the changed item pedestals benefit all players, not just Tainted Isaac.
  • Due to the overall lack of items, visiting Curse rooms becomes a lot more viable, especially since one can play as a character that mitigates damage from Curse Rooms, such as Character Tainted Judas iconTainted Judas with his innate Dark Arts.
  • Similarly to Character Jacob and Esau iconJacob and Esau, if you time it properly, both items can be acquired from alternate path treasure rooms.


Rebirth babies[ | ]

Special Babies[]

These Babies have special effects that may help or hinder the player.

ID Appearance Name Description
0 000 baby spider Spider Baby Occasionally spawns a spider.
1 001 baby love Love Baby Drops a heart pickup when killed. Can also drop soul hearts.
2 002 baby bloat Bloat Baby Spawns with a Pretty Fly.
3 003 baby water Water Baby Explodes into tears when it dies.
4 004 baby psy Psy Baby Spawns with homing tears.
5 005 baby cursed Cursed Baby Attracts enemies and enemy tears.
6 006 baby troll Troll Baby Spawns troll bombs beneath itself at random times, and always spawns one upon death.
7 007 baby ybab Ybab Scrambles buttons associated with tear shot direction.
8 008 baby cockeyed Cockeyed Baby Shoots tears diagonally, similar to the effect of the R U a Wizard? pill.
9 009 baby host Host Baby Spawns one to three hostile Spiders upon death.
10 010 baby lost Lost Baby Constantly bleeds small puddles of red creep which can damage enemies.
Releases a larger puddle of creep upon death.
Lost Baby Defeat Mom's Heart on Hard mode as Character Isaac iconIsaac to unlock it.
11 011 baby cute Cute Baby Cute Baby Defeat Mom's Heart on Hard mode as Character Magdalene iconMagdalene to unlock it.
12 012 baby crow Crow Baby Deals contact damage to enemies.
Crow Baby Defeat Mom's Heart on Hard mode as Character Eve iconEve to unlock it.
13 013 baby shadow Shadow Baby Fires red blood shots and deals slightly more damage than other babies.
Shadow Baby Defeat Mom's Heart on Hard mode as Character Judas iconJudas to unlock it.
14 014 baby glass Glass Baby Drops a random pickup on death.
Glass Baby Defeat Mom's Heart on Hard mode as Character Cain iconCain to unlock it.
15 015 baby gold Gold Baby Drops 1-3 coins upon death.
16 016 baby cy Cy-Baby Spawns with an effect similar to Collectible Tech.5 iconTech.5, randomly firing lasers alongside normal tears.
17 017 baby bean Bean Baby Farts when hit, like Collectible The Black Bean iconThe Black Bean effect.
18 018 baby mag Mag Baby Shiny silver baby that attracts coins.
19 019 baby wrath Wrath Baby Spawns a bomb pickup when killed.
20 020 baby wrapped Wrapped Baby Explodes when hit.
Wrapped Baby (in Rebirth and Afterbirth) Defeat Mom's Heart on Hard mode as Character Azazel iconAzazel
(in Afterbirth † and Repentance) Defeat Mom's Heart on Hard mode as Character Lazarus iconLazarus to unlock it.
21 021 baby begotten Begotten Baby Shoots large, slow moving tears that have a chance to cause fear.
Begotten Baby (in Rebirth and Afterbirth) Defeat Mom's Heart on Hard mode as Character Lazarus iconLazarus
(in Afterbirth † and Repentance) Defeat Mom's Heart on Hard mode as Character Azazel iconAzazel to unlock it.
22 022 baby dead Dead Baby Has a chance to spawn a Blue fly upon killing an enemy.
Dead Baby Defeat Mom's Heart on Hard mode as Character ??? (Character) icon??? to unlock it.
23 023 baby fighting Fighting Baby Appears to throw its tears rather than crying them. Drops a heart pickup upon death.
Fighting Baby Defeat Mom's Heart on Hard mode as Character Samson iconSamson to unlock it.
24 024 baby 0 -0- Baby Immune to all forms of damage. Leaving the game as this baby causes a different baby to spawn in its place.
-0- Baby Defeat Mom's Heart on Hard mode as Character The Lost iconThe Lost to unlock it.
25 025 baby glitch Glitch Baby Turns into a random baby at the start of each floor.
Glitch Baby Defeat Mom's Heart on Hard mode as Character Eden iconEden to unlock it.
26 026 baby magnet Magnet Baby Cannot fire tears. Can pick up items and open chests.
122 122 baby monochrome (in Rebirth) Isaac 2 Cannot fire tears. Can pick up items and open chests. (This was reverted to just a cosmetic baby in Afterbirth.)

Normal Babies[]

These Babies are purely cosmetic and do not have any special behaviors.

ID Appearance Name Description
59 059 baby bigeyes Big Eyes Baby A baby with big eyes.
60 060 baby sleep Sleep Baby A sleeping baby.
61 061 baby zombie Zombie Baby An undead baby.
62 062 baby goat Goat Baby A baby that looks like a goat.
63 063 baby butthole Butthole Baby A baby with an anus for a face.
64 064 baby eyepatch Eye Patch Baby A baby that looks remarkably similar to Cain.
65 065 baby bloodeyes Blood Eyes Baby A baby who is crying blood.
66 066 baby mustache Mustache Baby A baby with a mustache.
67 067 baby spittle Spittle Baby A baby who seems to be drooling.
68 068 baby brain Brain Baby A baby that looks like it has the item Collectible The Mind iconThe Mind.
69 069 baby threeeyes 3 Eyes Baby A baby with three eyes.
70 070 baby viridian Viridian Baby Reference to the VVVVVV character of the same name.
71 071 baby blockhead Blockhead Baby A baby with a blocky head.
72 072 baby worm Worm Baby A baby that looks like Collectible Little Chubby iconLittle Chubby.
73 073 baby lowface Lowface Baby A baby with a lowered face.
74 074 baby alienhominid Alien Hominid Baby Reference to the game Alien Hominid by The Behemoth.
75 075 baby bomb Bomb Baby A baby with a bomb for a head.
76 076 baby video Video Baby Reference to Commander Video, the main character of the BIT.TRIP series.
77 077 baby parasite Parasite Baby A baby that seems to be a parasite.
78 078 baby derp Derp Baby A reference to the internet meme, DERP.
79 079 baby lobotomy Lobotomy Baby A baby who seems to have been lobotomized.
80 080 baby choke Choke Baby A baby that looks to have been choked to death.
81 081 baby scream Scream Baby Reference to Edvard Munch's "The Scream".
82 082 baby gurdy Gurdy Baby A baby that looks like Gurdy.
83 083 baby ghoul Ghoul Baby A baby that has large red eyes and fangs.
84 084 baby goatee Goatee Baby A baby with a goatee.
85 085 baby shades Shades Baby A baby with sunglasses.
86 086 baby statue Statue Baby A baby that is composed of stone.
87 087 baby bloodsucker Bloodsucker Baby A baby with blood coming out of its mouth and eyes.
88 088 baby bandaid Bandaid Baby A baby with a bandage on its head.
89 089 baby eyebrows Eyebrows Baby A baby with thick eyebrows.
90 090 baby nerd Nerd Baby A baby with square glasses.
91 091 baby boss Boss Baby Based on Newgrounds' Agnry Faic.
92 092 baby turd Turd Baby A baby composed of poop.
93 093 baby o O Baby A baby making an "O" face.
94 094 baby squareeyes Square Eyes Baby A baby with square eyes.
95 095 baby teeth Teeth Baby A baby with noticeable teeth.
96 096 baby frown Frown Baby A frowning baby.
97 097 baby tongue Tongue Baby A baby whose tongue is sticking out.
98 098 baby halfhead Half Head Baby A baby with the top half of its head missing.
99 099 baby makeup Makeup Baby A baby wearing makeup.
100 100 baby ed Ed Baby Appears similar to Edmund McMillen, the creator of the game.
101 101 baby d D Baby Appears similar to Danielle, Edmund's wife.
102 102 baby guppy Guppy Baby A baby that looks like Edmund's first cat, Guppy.
103 103 baby puke Puke Baby A baby that's vomiting.
104 104 baby dumb Dumb Baby A smiling blue baby.
105 105 baby lipstick Lipstick Baby A baby wearing an excess amount of lipstick.
106 106 baby aether Aether Baby Reference to Aether, another one of Edmund McMillen's games.
107 107 baby brownie Brownie Baby Reference to Brownie, a character from Super Meat Boy.
108 108 baby vvvvvv VVVVVV Baby Reference to Captain Viridian, the main character of VVVVVV.
109 109 baby nosferatu Nosferatu Baby A reference to the movie, Noseferatu.
110 110 baby pubic Pubic Baby A baby with the cosmetic effect of the pill Puberty.
111 111 baby eyemouth Eyemouth Baby A baby with an eye in its mouth.
112 112 baby weirdo Weirdo Baby A frowning blue baby.
113 113 baby v V Baby A baby with a red "V" on its head.
114 114 baby strangemouth Strange Mouth Baby A baby with the ":3" face.
115 115 baby masked Masked Baby A baby with a black mask and red eyes.
116 116 baby cyber Cyber Baby A reference to the cyber men from Doctor Who.
117 117 baby axewound Axe Wound Baby Fires tears from its wound.
118 118 baby statue Statue Baby A petrified baby.
119 119 baby grin Grin Baby A grinning baby.
120 120 baby upset Upset Baby A baby who looks upset.
121 121 baby plastic Plastic Baby A baby that looks extraterrestrial.
122 122 baby monochrome Monochrome Baby A baby that is possibly a reference to the character Monoko from Yume Nikki.
123 123 baby onetooth One Tooth Baby A baby with a single tooth.
124 124 baby tusks Tusks Baby A baby with two large tusks.
125 125 baby hopeless Hopeless Baby A black depressed baby.
126 126 baby bigmouth Big Mouth Baby A baby with a big mouth.
127 127 baby peeeyes Pee Eyes Baby A baby with urine in its eyes.
128 128 baby earwig Earwig Baby A baby that looks like an earwig.
129 129 baby ninkumpoop Ninkumpoop Baby A baby that appears to be yawning.
130 130 baby strangeshape Strange Shape Baby A baby with an almond shaped head.
131 131 baby bugeyed Bugeyed Baby A baby with bugeyes.
132 132 baby freaky Freaky Baby A baby with a large mouth and sharp teeth.
133 133 baby crooked Crooked Baby A baby whose eyes are off center.
134 134 baby spiderlegs Spider Legs Baby A baby that looks like a spider.
135 135 baby smiling Smiling Baby A smiling baby.
136 136 baby tears Tears Baby A crying baby.
137 137 baby bowling Bowling Baby A brown baby.
138 138 baby mohawk Mohawk Baby A baby with a mohawk.
139 139 baby rottenmeat Rotten Meat Baby A baby that appears to be a rotten version of Meatboy.
140 140 baby noarms No Arms Baby A baby with no arms.
141 141 baby twin2 Twin Baby 2 A baby that has a blue bow.
142 142 baby uglygirl Ugly Girl Baby A yellow baby with a pink bow.
143 143 baby chompers Chompers Baby A baby that bears a slight resemblance to Scolex.
144 144 baby camillojr Camillo Jr. Baby A baby that looks like the enemy Camillo Jr.
145 145 baby eyeless Eyeless Baby A baby with no eyes.
146 146 baby sloppy Sloppy Baby A baby with a crooked mouth.
147 147 baby bluebird Bluebird Baby A blue baby with wings.
148 148 baby fat Fat Baby A baby that looks like Gluttony.
149 149 baby butterfly Butterfly Baby A baby that appears to look like a winged Pikmin from Pikmin 3.
150 150 baby goggles Goggles Baby A baby with goggles.
151 151 baby apathetic Apathetic Baby A baby that seems to be bored.
152 152 baby cape Cape Baby A baby with a cape.
153 153 baby sorrow Sorrow Baby A blue baby with a grimace on its face.
154 154 baby rictus Rictus Baby A baby with a frown of pain on its face.
155 155 baby awaken Awaken Baby A baby with closed eyes.
156 156 baby puff Puff Baby A reference to Kirby.
157 157 baby attractive Attractive Baby Another baby with the ":3" face.
158 158 baby pretty Pretty Baby A baby with eyeshadow.
159 159 baby crackedinfamy Cracked Infamy Baby A baby with a cracked Infamy mask.
160 160 baby distended Distended Baby A baby with twisted arms.
161 161 baby mean Mean Baby A green baby with a grumpy look.
162 162 baby digital Digital Baby A green baby that has the static T.V. effect.
163 163 baby helmet Helmet Baby A baby with a helmet.
164 164 baby blackeye Black Eye Baby A baby with a black eye.
165 165 baby lights Lights Baby A baby with white eyes.
166 166 baby spike Spike Baby A baby with a spike on its head.
167 167 baby worry Worry Baby A baby with blue skin and a frown.
168 168 baby ears Ears Baby A baby with animal-like ears.
169 169 baby funeral Funeral Baby A baby with a tuxedo.
170 170 baby libra Libra Baby A baby that looks like it has the item Collectible Libra iconLibra.
171 171 baby gappy Gappy Baby An angry baby with red eyes.
172 172 baby sunburn Sunburn Baby A red baby.
173 173 baby atepoop Ate Poop Baby A baby who ate poop.
174 174 baby electris Electric Baby Reference to Pikachu from Pokémon.
175 175 baby bloodhole Blood Hole Baby A baby with a bloody anus for a face.
176 176 baby transforming Transforming Baby Reference to Optimus Prime from Transformers.
177 177 baby aban Aban Baby Reference to Aban Hawkins from 1001 Spikes.
178 178 baby bandagegirl Bandage Girl Baby Reference to Bandage Girl from Super Meat Boy.
179 179 baby piecea Piece A Baby Reference to Tetris.
180 180 baby pieceb Piece B Baby Reference to Tetris.
181 181 baby spelunker Spelunker Baby Reference to the Spelunker from Spelunky.
182 182 baby frog Frog Baby A baby that looks like a frog.
183 183 baby crook Crook Baby A baby with a bandit's eye mask.
184 184 baby don Don Baby Reference to Donatello from Teenage Mutant Ninja Turtles.
185 185 baby web Web Baby A baby with strands of spider silk stuck on it.
186 186 baby faded Faded Baby A baby that appears to be phasing out of existence.
187 187 baby sick Sick Baby A sickly baby.
188 188 baby drfetus Dr Fetus Baby Reference to Dr. Fetus from Super Meat Boy.
189 189 baby spectral Spectral Baby A baby that is translucent in appearance.
190 190 baby redskeleton Red Skeleton Baby A reference to the Red Skeleton enemy from Castlevania.
191 191 baby skeleton Skeleton Baby A reference to the Skeleton enemy from Castlevania.
192 192 baby jammies Jammies Baby A baby with pajamas.
193 193 baby newjammies New Jammies Baby A baby with red pajamas.
194 194 baby cold Cold Baby A baby with a snowman appearance.
195 195 baby oldman Old Man Baby A baby that appears to look like an old man.
196 196 baby spooked Spooked Baby A scared baby.
197 197 baby nice Nice Baby A baby with a neutral expression.
198 198 baby dots Dots Baby A baby with blood splattered on it.
199 199 baby peeling Peeling Baby A baby whose skull is exposed.
200 200 baby smallface Small Face Baby A baby with an abnormally small face.
201 201 baby good Good Baby A happy baby with blonde hair.
202 202 baby blindfold Blindfold Baby A baby with a blindfold.
203 203 baby pipe Pipe Baby A baby with a pipe stuck in its head.
204 204 baby dented Dented Baby A baby with a dented head.
205 205 baby steven Steven Baby Reference to another one of Edmund McMillen's games, Time Fcuk.
206 206 baby monocle Monocle Baby A baby wearing a monocle.
207 207 baby belial Belial Baby A baby that looks like it used Collectible The Book of Belial iconThe Book of Belial.
208 208 baby monstro Monstro Baby A baby that looks like Monstro.
209 209 baby fez Fez Baby A baby wearing a fez, possibly a reference to the game, Fez.
210 210 baby meatboy MeatBoy Baby Reference to the titular character from Super Meat Boy.
211 211 baby skull Skull Baby A skeletal baby.
212 212 baby conjoined Conjoined Baby A baby with a conjoined twin.
213 213 baby skinny Skinny Baby A baby that looks malnourished.
214 214 baby spider Basic Spider Baby A baby that has the characteristics of a spider.
215 215 baby shopkeeper Shopkeeper Baby A baby that looks like a shopkeeper.
216 216 baby fancy Fancy Baby A baby with a bowtie.
217 217 baby chubby Chubby Baby A chubby baby with three hairs.
218 218 baby cyclops Cyclops Baby A baby that looks like it has the item Collectible Polyphemus iconPolyphemus.
219 219 baby isaac Isaac Baby A baby that looks like Isaac.
220 220 baby plug Plug Baby A baby that looks like an electrical outlet.
221 221 baby drool Drool Baby A baby that is drooling.
222 222 baby wink Wink Baby A baby that is winking.
223 223 baby pox Pox Baby A baby that has smallpox or chickenpox.
224 224 baby onion Onion Baby A baby with a head that looks like the item Collectible The Sad Onion iconThe Sad Onion.
225 225 baby zipper Zipper Baby A pale baby with a zipper on its torso.
226 226 baby buckteeth Buckteeth Baby A baby with buckteeth.
227 227 baby beard Beard Baby A bearded baby.
228 228 baby hanger Hanger Baby A baby that appears to have the item Collectible Wire Coat Hanger iconWire Coat Hanger.
229 229 baby vampire Vampire Baby A vampiric baby.
230 230 baby tilt Tilt Baby A baby whose face is tilted.
231 231 baby bawl Bawl Baby A baby who looks to be crying more than usual.
232 232 baby lemon Lemon Baby A baby with a lemon head.
478 478 baby tooth Tooth Baby A baby with one tooth.
479 479 baby haunt Haunt Baby A ghostly baby.

Afterbirth babies[ | ]

Special Babies

These Babies have special bonuses that will aid the player in some way.

ID Appearance Name Description
27 027 baby black Black Baby Spawns with an extra black heart.
Black Baby Defeat Mega Satan as Character Azazel iconAzazel to unlock it.
28 028 baby red Red Baby Spawns with an extra red heart.
Red Baby Defeat Mega Satan as Character Magdalene iconMagdalene to unlock it.
29 029 baby white White Baby Gives Isaac an eternal heart when it spawns.
White Baby Defeat Mega Satan as Character The Lost iconThe Lost to unlock it.
30 030 baby blue Blue Baby Spawns with an extra soul heart.
Blue Baby Defeat Mega Satan as Character ??? (Character) icon??? to unlock it.
31 031 baby rage Rage Baby Occasionally briefly increases Isaac's damage by 2.
Rage Baby Defeat Mega Satan as Character Samson iconSamson to unlock it.
32 032 baby cry Cry Baby Occasionally briefly increases Isaac's tears by 1.
Cry Baby Defeat Mega Satan as Character Isaac iconIsaac to unlock it.
33 033 baby yellow Yellow Baby Occasionally briefly increases Isaac's speed by 0.15.
Yellow Baby Defeat Mega Satan as Character Eden iconEden to unlock it.
34 034 baby long Long Baby Occasionally briefly increases Isaac's range by 2, shot speed by 0.5, (except in Repentance) and tear falling speed.
Long Baby Defeat Mega Satan as Character Lazarus iconLazarus to unlock it.
35 035 baby green Green Baby Occasionally briefly increases Isaac's luck by 2.
Green Baby Defeat Mega Satan as Character Cain iconCain to unlock it.
36 036 baby lil Lil' Baby Occasionally briefly decreases Isaac's size.
Lil' Baby Defeat Mega Satan as Character Eve iconEve to unlock it.
37 037 baby big Big Baby Occasionally briefly increases Isaac's size.
Big Baby Defeat Mega Satan as Character Lilith iconLilith to unlock it.
38 038 baby brown Brown Baby Occasionally briefly gives Isaac the Butt PennyButt Penny effect. While it is active, picking up a coin will make Isaac fart, knocking back nearby enemies.
Brown Baby Defeat Mega Satan as Character Judas iconJudas to unlock it.
39 039 baby noose Noose Baby Occasionally briefly gives Isaac the Collectible Transcendence iconTranscendence effect, granting flight.
Noose Baby Defeat Mega Satan as Character Keeper iconKeeper to unlock it.
40 040 baby hive Hive Baby Occasionally briefly gives Isaac the Collectible Hive Mind iconHive Mind effect, doubling the damage dealt by blue spiders and blue flies.
Hive Baby Earn all Hard mode Completion Marks as Character ??? (Character) icon??? to unlock it.
41 041 baby buddy Buddy Baby Occasionally briefly gives Isaac the Collectible Guillotine iconGuillotine effect, detaching Isaac's head and increasing damage and tears.
Buddy Baby Earn all Hard mode Completion Marks as Character Isaac iconIsaac to unlock it.
42 042 baby colorful Colorful Baby Upon joining, fully heals Isaac, similar to the rainbow poop effect.
Colorful Baby Earn all Hard mode Completion Marks as Character Magdalene iconMagdalene to unlock it.
43 043 baby whore Whore Baby Occasionally briefly gives Isaac the Collectible Whore of Babylon iconWhore of Babylon effect, increasing damage and speed.
Whore Baby Earn all Hard mode Completion Marks as Character Eve iconEve to unlock it.
44 044 baby cracked Cracked Baby
Cracked Baby Earn all Hard mode Completion Marks as Character Eden iconEden to unlock it.
45 045 baby dripping Dripping Baby Occasionally briefly gives Isaac Collectible Anemic iconAnemic, increasing range by 5 and causing Isaac to leave a trail of blood that damages enemies.
Dripping Baby Earn all Hard mode Completion Marks as Character Lazarus iconLazarus to unlock it.
46 046 baby blinding Blinding Baby Upon death, activates the effect of XIX - The Sun, fully restoring Isaac's red hearts, deals 100 damage to all enemies in the room, and revealing the map for the current floor.
Blinding Baby Use Collectible Blank Card iconBlank Card while holding XIX - The SunXIX - The Sun to unlock it.
47 047 baby sucky Sucky Baby Has an aura around itself that damages enemies while they are inside, similar to Collectible Succubus iconSuccubus.
Sucky Baby Earn all Hard mode Completion Marks as Character Azazel iconAzazel to unlock it.
48 048 baby dark Dark Baby Occasionally provides a brief boost to all of Isaac's stats.
Dark Baby Earn all Hard mode Completion Marks as Character Lilith iconLilith to unlock it.
49 049 baby picky Picky Baby
Picky Baby Earn all Hard mode Completion Marks as Character Cain iconCain to unlock it.
50 050 baby revenge Revenge Baby Occasionally briefly increases Isaac's damage.
Revenge Baby Earn all Hard mode Completion Marks as Character Samson iconSamson to unlock it.
51 051 baby belial Belial Baby Occasionally briefly gives Isaac the Collectible The Book of Belial iconThe Book of Belial effect, increasing damage.
Belial Baby Earn all Hard mode Completion Marks as Character Judas iconJudas to unlock it.
52 052 baby sale Sale Baby Occasionally briefly gives Isaac the Collectible Steam Sale iconSteam Sale effect, halving the prices of all shop items.
Sale Baby Earn all Hard mode Completion Marks as Character Keeper iconKeeper to unlock it.
53 053 baby goatbaby Goat Head Baby Occasionally briefly gives Isaac the Collectible Goat Head iconGoat Head effect, guaranteeing that a Devil room or angel room will open if a boss room is completed while the effect is active.
Goat Head Baby Defeat Mom's Heart on Hard mode as Character Lilith iconLilith to unlock it.
54 054 baby supergreedbaby Super Greed Baby Has the Head of the Keeper effect, firing coin tears that have a chance to spawn a coin upon hitting an enemy.
Super Greed Baby Defeat Mom's Heart on Hard mode as Character Keeper iconKeeper to unlock it.

Normal Babies

These Babies are purely cosmetic and do not have any special behaviors.

ID Appearance Name Description
233 233 baby punkboy Punkboy Baby A baby dressed as a punk rocker boy.
234 234 baby punkgirl Punkgirl Baby A baby dressed as a punk rocker girl.
235 235 baby computer Computer Baby A baby with a computer for a head.
236 236 baby mask Mask Baby A baby wearing a mask.
237 237 baby gem Gem Baby A baby that looks like it's made of crystal.
238 238 baby shark Shark Baby A baby that looks like a shark.
239 239 baby beret Beret Baby A baby that's wearing a beret.
240 240 baby blisters Blisters Baby A baby covered in blisters.
241 241 baby radioactive Radioactive Baby A sickly green baby.
242 242 baby beast Beast Baby A baby that looks like a beast.
243 243 baby dark Dark Baby A very dark baby.
244 244 baby snail Snail Baby A baby that looks like a snail.
245 245 baby blood Blood Baby A baby that looks like a drop of blood.
246 246 baby 8ball 8 Ball Baby A baby with an 8 ball for a head.
247 247 baby wisp Wisp Baby A wispy baby.
248 248 baby cactus Cactus Baby A baby that looks like a cactus.
249 249 baby loveeye Love Eye Baby A pink baby with a heart for an eye.
250 250 baby medusa Medusa Baby A baby that resembles Medusa.
251 251 baby nuclear Nuclear Baby A baby that looks like a mushroom cloud.
252 252 baby purple Purple Baby A strange purple baby.
253 253 baby wizard Wizard Baby A baby with a wizard hat.
254 254 baby earth Earth Baby A baby whose head looks like planet Earth.
255 255 baby saturn Saturn Baby A baby with a ring around its head.
256 256 baby cloud Cloud Baby A baby made of cloud.
257 257 baby tube Tube Baby A baby with a tube connecting both eyes.
258 258 baby rocker Rocker Baby A baby dressed as a rock fan.
259 259 baby king King Baby A baby with a crown.
260 260 baby coat Coat Baby A baby wearing a winter coat.
261 261 baby viking Viking Baby A baby with a Viking helmet.
262 262 baby panda Panda Baby A baby that looks like a panda.
263 263 baby raccoon Raccoon Baby A baby that looks like a raccoon.
264 264 baby bear Bear Baby A baby that looks like a grizzly bear.
265 265 baby polarbear Polar Bear Baby A baby that looks like a polar bear.
266 266 baby lovebear Lovebear Baby A baby that looks like a Care Bear.
267 267 baby hare Hare Baby A baby that looks like a rabbit.
268 268 baby squirrel Squirrel Baby A baby that looks like a squirrel.
269 269 baby tabby Tabby Baby A baby that looks like a cat.
270 270 baby porcupine Porcupine Baby A baby that looks like a porcupine.
271 271 baby puppy Puppy Baby A baby that looks like a puppy.
272 272 baby parrot Parrot Baby A baby that looks like a parrot.
273 273 baby chameleon Chameleon Baby A baby that looks like a Chameleon.
274 274 baby boulder Boulder Baby A baby made of rocks.
275 275 baby aqua Aqua Baby An aqua-blue baby.
276 276 baby gargoyle Gargoyle Baby A baby that resembles a gargoyle.
277 277 baby spikydemon Spiky Demon Baby A baby that looks like a spiky demon.
278 278 baby reddemon Red Demon Baby A baby that looks like a red demon.
279 279 baby orangedemon Orange Demon Baby A baby that looks like an orange demon.
280 280 baby eyedemon Eye Demon Baby A baby with an eye for a head.
281 281 baby fangdemon Fang Demon Baby A baby with big fangs.
282 282 baby ghost Ghost Baby A baby that looks like a ghost.
283 283 baby arachnid Arachnid Baby A baby that looks like a spider.
284 284 baby bony Bony Baby A baby that looks like a Bony.
285 285 baby bigtongue Big Tongue Baby A baby with a big tongue.
286 286 baby 3d 3D Baby A baby wearing 3D glasses.
287 287 baby suit Suit Baby A baby in a nice suit.
288 288 baby butt Butt Baby A baby with a butt for a face.
289 289 baby cupid Cupid Baby A baby that looks like Cupid.
290 290 baby heart Heart Baby A baby with a heart-shaped head.
291 291 baby killer Killer Baby A baby that looks like Jason Voorhees from the "Friday the 13th" horror movie series.
292 292 baby lantern Lantern Baby A baby that looks like Ash Williams from the Evil Dead series.
293 293 baby banshee Banshee Baby A baby that looks like a banshee.
294 294 baby ranger Ranger Baby A baby that looks like a Red Power Ranger.
295 295 baby rider Rider Baby A baby that looks like a Kamen Rider.
296 296 baby choco Choco Baby A baby made of chocolate.
297 297 baby woodsman Woodsman Baby A baby dressed as a hiker.
298 298 baby brunette Brunette Baby A baby with brown hair
299 299 baby blonde Blonde Baby A baby with blonde hair.
300 300 baby bluehair Blue Hair Baby A baby with blue hair
301 301 baby bloodied Bloodied Baby A baby covered in blood.
302 302 baby cheese Cheese Baby A baby made of cheese.
303 303 baby pizza Pizza Baby A baby made of pizza.
304 304 baby hotdog Hotdog Baby A baby that is also a hotdog.
305 305 baby hotdog Nature Baby A naked baby with a leaf.
306 306 baby borg Borg Baby A robotic baby.
307 307 baby corrupted Corrupted Baby A baby with seems to be covered by an alien life.
308 308 baby xmouth X Mouth Baby A gagged baby.
309 309 baby xeyes X Eyed Baby A comically dead baby.
310 310 baby stareyes Starry Eyed Baby A baby with starry eyes.
311 311 baby surgeon Surgeon Baby A baby ready for surgery.
312 312 baby sword Sword Baby A baby that's a sword.
313 313 baby monk Monk Baby A baby that's a monk.
314 314 baby disco Disco Baby A funky baby with an afro
315 315 baby puzzle Puzzle Baby A baby with a "Rubik's Cube" for a head
316 316 baby speaker Speaker Baby A baby that has a speaker for a head.
317 317 baby scary Scary Baby A baby that resembles Jeff the Killer.
318 318 baby fireball Fireball Baby A fireball with eyes. Possibly a reference to the fire enemy in the Donkey Kong and Mario games.
319 319 baby maw Maw Baby A baby that's just a mouth.
320 320 baby exploding Exploding Baby A baby that's a bomb.
321 321 baby cupcake Cupcake Baby A baby that's also a cupcake.
322 322 baby skinless Skinless Baby A baby without skin.
323 323 baby ballerina Ballerina Baby A baby wearing a tutu.
324 324 baby goblin Goblin Baby A baby that resembles a goblin.
325 325 baby coolgoblin Cool Goblin Baby A green baby with brown hair and cool shades.
326 326 baby geek Geek Baby A baby with black hair and nerdy glasses.
327 327 baby longbeard Long Beard Baby A baby with a long beard.
328 328 baby muttonchops Muttonchops Baby A baby with muttonchops.
329 329 baby spartan Spartan Baby A baby that resembles King Leonidas from 300.
330 330 baby tortoise Tortoise Baby A baby that resembles Vectorman from the game Vectorman
331 331 baby slicer Slicer Baby A baby that resembles Shredder.
332 332 baby butterfly Butterfly Baby A baby with butterfly wings.
333 333 baby homeless Homeless Baby A baby that resembles a homeless person.
334 334 baby lumberjack Lumberjack Baby A baby that resembles a lumberjack.
335 335 baby cyberspace Cyberspace Baby A baby that resembles something from the Tron universe.
336 336 baby hero Hero Baby A baby that resembles Red from Gunstar Heroes.
337 337 baby boxers Boxers Baby A baby that resembles Arthur from Ghosts & Goblins (in his boxers).
338 338 baby winghelmet Wing Helmet Baby A baby that resembles Opa-Opa.
339 339 baby x X Baby A baby with an X for a head.
340 340 baby o O Baby A baby with an O for a head.
341 341 baby vomit Vomit Baby A baby with vomit coming from its mouth.
342 342 baby merman Merman Baby A baby that resembles Aquaman.
343 343 baby cyborg Cyborg Baby Might be a reference to a Cyborg from a novel/movie/game?
344 344 baby barbarian Barbarian Baby A baby that resembles the Barbarian from Diablo.
345 345 baby locust Locust Baby A baby that resembles a locust.
346 346 baby twotone Twotone Baby A completely white baby with a black outline.
347 347 baby 2600 2600 Baby A baby that resembles an Atari 2600 sprite.
348 348 baby fourtone Fourtone Baby A baby with a minimal colour sprite.
349 349 baby grayscale Grayscale Baby A baby colored with several shades of gray.
350 350 baby rabbit Rabbit Baby A baby that resembles Oswald the Lucky Rabbit.
351 351 baby mouse Mouse Baby A baby that resembles an old-style Mickey Mouse.
352 352 baby critter Critter Baby A critter that looks white and hairy. Might be a reference to the movie Critters.
353 353 baby bluerobot Blue Robot Baby A baby that resembles Mega Man.
354 354 baby pilot Pilot Baby A baby that resembles Jason from Blaster Master.
355 355 baby redplumber Red Plumber Baby A baby that resembles Mario.
356 356 baby greenplumber Green Plumber Baby A baby that resembles Luigi.
357 357 baby yellowplumber Yellow Plumber Baby A baby that resembles Wario.
358 358 baby purpleplumber Purple Plumber Baby A baby that resembles Waluigi.
359 359 baby tanooki Tanooki Baby A baby that's wearing a Tanooki Suit.
360 360 baby mushroomman Mushroom Man Baby A baby that resembles Toad.
361 361 baby mushroomgirl Mushroom Girl Baby A baby that resembles Toadette.
362 362 baby cannonball Cannonball Baby A baby that resembles a Chain Chomp.
363 363 baby froggy Froggy Baby A baby that's wearing a Frog Suit.
364 364 baby turtledragon Turtle Dragon Baby A baby that resembles Bowser.
365 365 baby shellsuit Shell Suit Baby A baby wearing a Hammer Suit.
366 366 baby fiery Fiery Baby A baby wearing a Fire Suit.
367 367 baby meanmushroom Mean Mushroom Baby A baby that resembles a Goomba.
368 368 baby arcade Arcade Baby A baby that resembles Pac-Man.
369 369 baby scaredghost Scared Ghost Baby A blue ghost with a scared expression.
370 370 baby blueghost Blue Ghost Baby A baby that resembles Inky.
371 371 baby redghost Red Ghost Baby A baby that resembles Blinky.
372 372 baby pinkghost Pink Ghost Baby A baby that resembles Pinky.
373 373 baby orangeghost Orange Ghost Baby A baby that resembles Clyde.
374 374 baby pinkprincess Pink Princess Baby A baby that resembles Princess Peach.
375 375 baby yellowprincess Yellow Princess Baby A baby that resembles Princess Daisy.
376 376 baby dino Dino Baby A baby that resembles Yoshi.
377 377 baby elf Elf Baby A baby that resembles Link.
378 378 baby darkelf Dark Elf Baby A baby that resembles Dark Link
379 379 baby darkknight Dark Knight Baby A baby that resembles a Darknut
380 380 baby octopus Octopus Baby A baby that resembles an Octorok.
381 381 baby orangepig Orange Pig Baby A baby that resembles an orange Moblin.
382 382 baby bluepig Blue Pig Baby A baby that resembles a blue Moblin.
383 383 baby elfprincess Elf Princess Baby A baby that resembles Princess Zelda.
384 384 baby fishman Fishman Baby A baby that resembles a Zora.
385 385 baby fairyman Fairyman Baby A baby that resembles Tingle.
386 386 baby imp Imp Baby A baby that resembles Midna.
387 387 baby worm Worm Baby A baby that resembles Earthworm Jim.
388 388 baby bluewrestler Blue Wrestler Baby A baby that looks like the blue player in Smash TV.
389 389 baby redwrestler Red Wrestler Baby A baby that looks like the red player in Smash TV.
390 390 baby toast Toast Baby A baby that resembles Powdered Toast Man.
391 391 baby roboboy Roboboy Baby A baby that resembles Astro Boy.
392 392 baby liberty Liberty Baby A baby that resembles the Statue of Liberty.
393 393 baby dreamknight Dream Knight Baby A baby that resembles Meta Knight.
394 394 baby cowboy Cowboy Baby A baby that's wearing a cowboy outfit.
395 395 baby mermaid Mermaid Baby A baby that resembles Ariel.
396 396 baby plague Plague Baby A baby wearing a plague doctor outfit.
397 397 baby spacesoldier Space Soldier Baby A baby that resembles a Warhammer 40k Space Marine.
398 398 baby darkspacesoldier Dark Space Soldier Baby A baby that resembles a Warhammer 40k Chaos Space Marine.
399 399 baby gasmask Gas Mask Baby A baby that's wearing a gas mask.
400 400 baby tomboy Tomboy Baby A baby that resembles Sheik from the Legend of Zelda franchise.
401 401 baby corgi Corgi Baby A baby that looks like a corgi.
402 402 baby unicorn Unicorn Baby A baby that looks like a unicorn.
403 403 baby pixie Pixie Baby A baby that resembles Tinkerbell.
404 404 baby referee Referee Baby A baby wearing a referee outfit.
405 405 baby dealwithit Deal With It Baby A baby with a goatee and sunglasses.
406 406 baby astronaut Astronaut Baby A baby that's wearing an astronaut outfit.
407 407 baby blurred Blurred Baby A baby with a blur effect across its privates.
408 408 baby censored Censored Baby A baby with a censor bar across its privates.
409 409 baby coolghost Cool Ghost Baby A baby that resembles the character Shades (Sukezaemon) from Ufouria: The Saga.
410 410 baby gills Gills Baby A baby that resembles the character Gil (Jennifer) from Ufouria: The Saga.
411 411 baby bluehat Blue Hat Baby A baby that resembles the character Bop-Louie (Hebe) from Ufouria: The Saga.
412 412 baby catsuit Catsuit Baby A baby that's wearing a cat outfit. Also resembles the character Oh-Chan from Ufouria: The Saga (Japanese version).
413 413 baby pirate Pirate Baby A baby that's wearing a pirate outfit.
414 414 baby superrobo Super Robo Baby A baby that resembles Tekkaman the Space Knight.
415 415 baby lightmage Lightmage Baby A baby that resembles the white mage class from Final Fantasy.
416 416 baby puncher Puncher Baby A baby that resembles the warrior class from Final Fantasy.
417 417 baby holyknight Holy Knight Baby A baby that resembles the monk class from Final Fantasy.
418 418 baby shadowmage Shadowmage Baby A baby that resembles the black mage class from Final Fantasy.
419 419 baby firemage Firemage Baby A baby that resembles the red mage class from Final Fantasy.
420 420 baby priest Priest Baby A baby that's wearing a priest outfit.
421 421 baby zipper Zipper Baby A baby with a zipped mouth.
422 422 baby bag Bag Baby A baby with a bag over its head.
423 423 baby sailor Sailor Baby A baby that's wearing a sailor outfit.
424 424 baby rich Rich Baby A baby with a top hat and monocle.
425 425 baby toga Toga Baby A baby in an ancient Roman outfit.
426 426 baby knight Knight Baby A baby that resembles a Darknut from The Legend of Zelda.
427 427 baby blackknight Black Knight Baby A baby that resembles a black Darknut from The Legend of Zelda.



Afterbirth† babies[ | ]

Special Babies

These Babies have special bonuses that will aid the player in some way.

ID Appearance Name Description
55 055 baby mort Mort Baby Spawns a blue fly, and spawns a new blue fly whenever its blue fly is destroyed.
Mort Baby Defeat Mega Satan as Character Apollyon iconApollyon to unlock it. The sprite greatly resembles Collectible Rotten Baby iconRotten Baby.
56 056 baby apollyon Apollyon Baby Spawns with two Pretty Flies.
Apollyon Baby Earn all Hard mode Completion Marks as Character Apollyon iconApollyon to unlock it.
57 057 baby boner Bone Baby Wields a melee bone club instead of shooting tears, similarly to The Forgotten.
Bone Baby Earn all Hard mode Completion Marks as Character The Forgotten iconThe Forgotten to unlock it.
58 058 baby bound Bound Baby Is bound to Isaac, similarly to The Forgotten's soul. Shoots spectral tears.
Bound Baby Defeat Mega Satan as Character The Forgotten iconThe Forgotten to unlock it.

Normal Babies

These Babies are purely cosmetic and do not have any special behaviors.

ID Appearance Name Description
428 428 baby magiccat Magiccat Baby A baby that resembles the avatar of Tikara, the artist of the Isaac Tarot deck.
429 429 baby littlehorn Little Horn Baby A baby that resembles Little Horn.
430 430 baby folder Folder Baby A baby with a folder for a head.
431 431 baby driver Driver Baby A baby that is driving a car.
432 432 baby dragon Dragon Baby A baby that resembles a dragon.
433 433 baby downwell Downwell Baby A baby that resembles the player character from Downwell.
434 434 baby cylinder Cylinder Baby A baby that is shaped like a cylinder.
435 435 baby cup Cup Baby A baby with a teacup for a head.
436 436 baby cave robot Cave Robot Baby A baby that resembles Quote from Cave Story.
437 437 baby breadmeat hoodiebread Breadmeat Hoodiebread Baby A toothy baby with a slice of toast for a head that resembles Breadmeat, a member of the Isaac community.
438 438 baby bigmouth Bigmouth Baby A baby with a large, wide-open mouth.
439 439 baby afro rainbow Afro Rainbow Baby A baby with a rainbow colored afro.
440 440 baby afro Afro Baby A baby with an afro.
441 441 baby tv TV Baby A baby with a television for a head.
442 442 baby tooth Tooth Baby A baby with a tooth for a head.
443 443 baby tired Tired Baby A tired-looking baby.
444 444 baby steroids Steroids Baby A muscular baby.
445 445 baby soap monster Soap Monster Baby A baby that resembles Balrog from Cave Story.
446 446 baby rojen whitefox Rojen Whitefox Baby A baby that resembles a white fox. (might be a reference?)
447 447 baby rocket Rocket Baby A baby that looks like a firework.
448 448 baby nurf Nurf Baby A baby that resembles D.Va from Overwatch.
449 449 baby mutated fish Mutated Fish Baby A baby that resembles Fish from Nuclear Throne.
450 450 baby moth Moth Baby A baby that resembles Moth from Creepy Castle.
451 451 baby buttface Buttface Baby A baby with a butt for a face.
452 452 baby flying candle Flying Candle Baby A baby that looks like a candle.
453 453 baby graven Graven Baby A baby with long hair. (might be a reference?)
454 454 baby gizzy chargeshot Gizzy Chargeshot Baby A baby that resembles Gizzy from ChargeShot.
455 455 baby green koopa Green Koopa Baby A baby that resembles a green koopa from Mario.
456 456 baby handsome mrfrog Handsome MrFrog Baby A baby that resembles Handsome Mr. Frog from the game of the same name.
457 457 baby pumpkin guy Pumpkin Guy Baby A baby with a pumpkin for a head wearing a purple rag. Possible reference to Terraria's Pumpking.
458 458 baby red koopa Red Koopa Baby A baby that resembles a red koopa from Mario.
459 459 baby sad bunny Sad Bunny Baby A baby that looks like a crying rabbit. This is a reference to the sprites creator, Mort Mort (MnrArt) and their character Sad Bunny Face.
460 460 baby saturn Saturn Baby A baby that resembles the main character from Sgt. Saturn.
461 461 baby toast boy Toast Boy Baby A baby with a slice of bread for a head. This is a reference to the sprite's creator, Mort Mort (MnrArt) and their character Toast Boy.
462 462 baby voxdog Voxdog Baby A baby that resembles Vox the Dog.
463 463 baby 404 404 Baby A baby that has the Error trinket for a head.
464 464 baby arrowhead Arrowhead Baby A baby with an arrow through its head.
465 465 baby beanie Beanie Baby A baby wearing a green beanie.
466 466 baby blindcursed Blindcursed Baby A baby with the Curse of the Blind's question mark for a head.
467 467 baby burning Burning Baby A baby that's been burnt to a crisp.
468 468 baby cursor Cursor Baby A baby that looks like a mouse cursor.
469 469 baby flybaby Flybaby A baby that looks like a fly.
470 470 baby headphone Headphone Baby A baby wearing headphones.
471 471 baby knife Knife Baby A baby with a knife for a head.
472 472 baby mufflerscarf Mufflerscarf Baby A baby wearing a scarf.
473 473 baby robbermask Robbermask Baby A baby wearing a stereotypical robber's ski mask.
474 474 baby scoreboard Scoreboard Baby A baby with a digital number display, like those at a sporting event or on an alarm clock, for a face.
475 475 baby somanyeyes So Many Eyes Baby A baby with eyes all over its body.
476 476 baby text Text Baby A baby made out of text characters. (ASCII art)
477 477 baby wing Wing Baby A baby with wings.
480 480 baby imp Imp Baby A baby that resembles the modded character Fiend from Devil's Harvest MOD.
481 481 baby 32bit 32bit Baby A baby that resembles Isaac in a 32 bit style.
482 482 baby adventure Adventure Baby A baby that resembles Finn the Human from Adventure Time.
483 483 baby bubbles Bubbles Baby A baby made entirely of tar.
484 484 baby bulb Bulb Baby A baby that's very bright for his age.
485 485 baby coolorange Cool Orange Baby A baby that resembles a very cool orange with sunglasses.
486 486 baby crazyghost Crazy Ghost Baby A baby that resembles Crazy Diamond from JoJo's Bizarre Adventure. (Also possibly a reference to the modded character.)
487 487 baby cursedpillow Cursed Pillow Baby A baby that's unfortunately pillow shaded.
488 488 baby egg Egg Baby A baby that resembles the modded item Greg the Egg.
489 489 baby factory Factory Baby A baby that resembles a strange cyborg.
490 490 baby falling Falling Baby A baby that resembles William Foster from Falling Down.
491 491 baby funny Funny Baby A baby that resembles Sans from Undertale.
492 492 baby gamer Gamer Baby A baby that resembles an epic gamer. Inspired by a prominent member of the Binding of Isaac community.
493 493 baby glitterypeach Glittery Peach Baby A baby resembling an oddly British Baby Plum.
494 494 baby pompadour Pompadour Baby A baby that resembles Josuke from JoJo's Bizarre Adventure. (Also possibly a reference to the modded character.)
495 495 baby headkick Head Kick Baby A baby that resembles the Facepunch Logo.
496 496 baby horn Horn Baby A baby that resembles the modded character Chronos.
497 497 baby ichor Ichor Baby A baby that resembles Ichor beasts from the game Heckland.
498 498 baby ill Ill Baby A baby that resembles the modded boss Mahalath.
499 499 baby lazy Lazy Baby A baby that resembles Garfield.
500 500 baby mern Mern Baby Mern.
501 501 baby necro Necro Baby A baby that resembles the Xenomorph from the Alien franchise.
502 502 baby peeping Peeping Baby A baby that resembles the modded boss The Peeping.
503 503 baby penance Penance Baby A baby that resembles the modded character Sarah from Revelations.
504 504 baby psychic Psychic Baby A baby that resembles the modded character Mei.
505 505 baby puppet Puppet Baby A baby that resembles the costume for the modded item Pinhead from Happy Items Pack.
506 506 baby reaper Reaper Baby A baby that resembles the modded character Samael.
507 507 baby roadkill Road Kill Baby A baby that got ran over.
508 508 baby sausagelover Sausage Lover Baby A baby that resembles _Kilburn, the lead developer for Antibirth.
509 509 baby scribble Scribble Baby A baby that resembles the modded character The Drawn.
510 510 baby starplant Star Plant Baby A baby that resembles the main character from Germination.
511 511 baby twitchy Twitchy Baby A baby that resembles Twitch from Heckland.
512 512 baby witch Witch Baby A baby that resembles the modded character Endor from Alphabirth.
513 513 baby workshop Workshop Baby A baby that references a common trope of workshop thumbnails when firing tears.
514 514 baby hooligan Hooligan Baby A baby that resembles Čeda from LeatherIceCream's "Poor 4" animations.
515 515 baby halfspider Half Spider Baby A baby that resembles Miroslav from LeatherIceCream's "Poor 4" animations.
516 516 baby silly Silly Baby A baby that resembles Djole from LeatherIceCream's "Poor 4" animations.
517 517 baby mastercook Master Cook Baby A baby that resembles Andre from LeatherIceCream's "Poor 4" animations.
518 518 baby greenpepper Green Pepper Baby A baby that resembles one of _Kilburn's characters.
519 519 baby baggycap Baggy Cap Baby A baby that resembles one of _Kilburn's characters.
520 520 baby stylish Stylish Baby A baby resembling the character Ren from the currently unreleased game Shenanigans: World of Illusions.



Repentance babies[ | ]

Special Babies[]

These Babies have special effects that may help or hinder the player.

ID Appearance Name Description
59 059 found soul Found Soul Found Soul is a familiar that follows Isaac's exact movements, akin to Jacob and Esau, and shoots spectral tears. It is spawned by the trinket Found Soul. The familiar uses Isaac's tears, range, shot speed, and tear effects, and deals 0.5x Isaac's damage. The familiar has collision and can be separated. Holding down the "drop" button keeps the familiar in place. When Isaac places a bomb, the familiar will drop one as well. The familiar can also press Buttons. The familiar dies after taking any damage, and will respawn on the next floor.
60 60 baby lost white Baby Lost White A co-op player turns into this after dying. After the floor's boss is defeated, the player reverts to normal. It cannot fly over pits but does not take damage. Can fire very weak tears.
61 61 baby lost black Baby Lost Black A co-op player turns into this after dying if playing as Azazel. After the floor's boss is defeated, the player reverts to normal. It cannot fly over pits but does not take damage. Can fire very weak Brimstone with limited range.
62 62 baby lost blue Baby Lost Blue A co-op player turns into this after dying if playing as ???. After the floor's boss is defeated, the player reverts to normal. It cannot fly over pits but does not take damage. Can fire very weak tears.
63 63 baby lost grey Baby Lost Grey A co-op player turns into this after dying if playing as Keeper. After the floor's boss is defeated, the player reverts to normal. It cannot fly over pits but does not take damage. Fires a triple shot similar to The Inner Eye.
64 064 baby wisp Wisp Baby (in Repentance)Wisp Baby Defeat Mom's Heart or It Lives! on Hard mode as Character Bethany iconBethany to unlock. Effect unknown.
65 065 baby double Double Baby (in Repentance)Double Baby Defeat Mom's Heart or It Lives! on Hard mode as Character Jacob and Esau iconJacob and Esau to unlock. Shoots Collectible 20 20 icon20/20 style shots which deal 1.1 damage (compared to 1.4 damage of normal co-op babies).
66 066 baby glowing Glowing Baby (in Repentance)Glowing Baby Defeat Mega Satan as Character Bethany iconBethany to unlock. Emits very bright light that covers huge part of the screen.
67 067 baby illusion Illusion Baby (in Repentance)Illusion Baby Defeat Mega Satan as Character Jacob and Esau iconJacob and Esau to unlock. Effect not implemented yet.
68 068 baby hope Hope Baby (in Repentance)Hope Baby Earn all Hard mode Completion Marks as Character Bethany iconBethany to unlock. Drops a half soul heart on death.
69 069 baby solomon a Solomon's Baby [A] (in Repentance)Solomon's Baby Earn all Hard mode Completion Marks as Character Jacob and Esau iconJacob and Esau to unlock. This baby is composed of two parts and supposedly controls like Character Jacob and Esau iconJacob and Esau but effect is not implemented yet.
70 070 baby solomon b Solomon's Baby [B] This baby is a part of Solomon's baby and not accessible on its own but effect is not implemented yet.

Normal Babies[]

These Babies are purely cosmetic and do not have any special behaviors.

ID Appearance Name Description
533 533 baby thirteenth Thirteenth Baby Α baby resembling D-13 from Star of Providence.
534 534 baby goldberry Berry Baby A baby resembling the Golden Strawberry from Celeste. Referred to internally as "baby_goldberry", further cementing this similarity.
535 535 baby eyebat Eyebat Baby A baby resembling Eyebats from Vagante.
536 536 baby isyou Baby Is You A baby resembling Baba from Baba Is You.
537 537 baby vessel Vessel Baby A baby resembling the Broken Vessel from Hollow Knight.
538 538 baby rock Rock Baby A baby resembling Golem from the Devil's Harvest mod and the Fiend Folio mod.
539 539 baby janitor Janitor Baby A baby who resembles Smokes from the game Hell’s Janitor by HappyHead
540 540 baby meaty Meaty Baby A baby resembling Bertran from the Bertran mod.
541 541 baby pig Pig Baby A baby resembling Mammon from the Retribution mod.
542 542 baby pegasus Pegasus Baby A baby that doesn't look a whole lot like a pegasus. A reference to an original character by NotYourSagittarius.
543 543 baby mre Mr. E Baby A mysterious baby. Potentially a reference to a meme posted by _Kilburn in the Isaac Discord, however, an identical image was also posted a year earlier in the Modding of Isaac Discord by a separate user, making the true origins unknown.
544 544 baby slab Slab Baby A baby resembling a Slabfish from Team Abnormals' Minecraft mods.
545 545 baby pog Pog Baby A floating Isaac head resembling the Twitch emote PogChamp.
546 546 baby hiveking Hive King Baby A baby resembling the Hive King from the Team Bugulon game Hivemind.
547 547 baby pillship Pill Ship Baby A baby resembling the Pill Ship from the Team Bugulon game Lymphosite.
548 548 baby point Point Baby A baby resembling the main character of the Team Bugulon game Tricky Keys.
549 549 baby gunwyrm Wyrm Baby A baby resembling the Gunwyrm from the Team Bugulon game Gunwyrm.
550 550 baby bullet Bullet Baby A baby wearing a hat that resembles a Bullet kin from Enter the Gungeon. Inspired by a prominent member of the Binding of Isaac community and one of Repentance's playtesters.
551 551 baby purplehorse Purple Horse Baby A decapitated horse head resembling Twilight Sparkle from My Little Pony. Inspired by a prominent member of the Binding of Isaac community and one of Repentance's playtesters.
552 552 baby koala Koala Baby A decapitated koala head. Inspired by a prominent member of the Binding of Isaac community and one of Repentance's playtesters.
553 553 baby cliffhanger Cliff Hanger Baby A baby with a question mark for a face that resembles a hanging Shopkeeper. Inspired by one of Repentance's playtesters.
554 554 baby penguin Penguin Baby A baby that is a penguin. Inspired by a prominent member of the Binding of Isaac community and one of Repentance's playtesters.
555 555 baby kindaloveable Kinda Loveable Baby A baby that is loveable, but only kinda. Inspired by a prominent member of the Binding of Isaac community and one of Repentance's playtesters.
556 556 baby cursedroom Cursed Room Baby A baby that looks similar to an infamous Mausoleum room from Antibirth. Inspired by the room's creator and one of Repentance's playtesters.
557 557 baby proto Proto Baby A baby resembling Prototype from OneShot.
558 558 baby finger Finger Baby A baby resembling a Deployer - a block from a Minecraft mod called Create.
559 559 baby bald Bald Baby A bald baby based on a Baldie from the RTS game Baldies.
560 560 baby hex Hex Baby A baby that resembles a witch character.
561 561 baby singing Singing Baby A baby resembling the Vocaloid singer Hatsune Miku.
562 562 baby junk Junk Baby A baby that resembles Spamton from Deltarune.
563 563 baby lucky Lucky Baby A baby that resembles Konata Izumi from Lucky Star.
564 564 baby finger Finger Baby A baby that resembles Mike Ehrmantraut from Breaking Bad. The name is a reference to the "Kid named Finger" internet meme.
565 565 baby sucky Sucky Baby A baby that resembles a Sucklet from itemLabel.
566 566 baby doormimic Door Mimic Baby A baby that resembles The Door from Cave Story.
567 567 baby kyuukyuu Kyuukyuu Baby A baby that resembles Kyuukyuu-kun from Yume Nikki.
568 568 baby moonjelly Moon Jelly Baby A baby that resembles Moon Jelly Wizard from a Terraria mod called Spirit Mod.
569 569 baby excelsior Excelsior Baby A baby that resembles Walker, an original character by community member RENREN. This baby is in reference to her Excelsior music mod.
570 570 baby painful Painful Baby A baby that resembles Brad from LISA: The Painful.
571 571 baby pointless Pointless Baby A baby that resembles Alex from the LISA: The Pointless fangame.
572 572 baby doleful Doleful Baby A baby that resembles Rovert from the LISA: The Doleful fangame.
573 573 baby cubic Cubic Baby A baby that resembles a cube from FEZ.
574 574 baby foodreviewer Food Reviewer Baby A baby that resembles a background character from the 2004 Spongebob Squarepants movie. This baby is a reference to community member BlorengeRhymes, who uses this character as his profile picutre.

(in Repentance) Possessor[ | ]

There is a hidden multiplayer game mode that allows a second player to control enemies and bosses in a way similar to Collectible Friend Finder iconFriend Finder. To access it, the second player should hold both bumpers on their gamepad and press the Start/Options button (On keyboard, the second player should hold Q and E, then press Enter). After this, a message saying that a player has joined as the possessor will appear in the Debug Console. It works properly for most normal enemies and some specific bosses, such as Ultra Greed, but for the rest, controls are limited or do not work at all.

Gallery[ | ]

Bugs[ | ]

Bug Bug! PC If the co-op player joins using a keyboard, the join button and the fire button must be pressed simultaneously to bring up the special baby menu. It may take several tries, as the timing seems to be almost frame-perfect.
Bug Bug! (in Repentance) Special co-op babies are not accessible normally due to some of the effects being unfinished.
Bug Bug! (in Repentance) Each baby with an ID higher than 562 is unable to appear in-game.


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