Mega Fatty

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Boss Mega Fatty name.png
Boss versus screen image
 
 
TableDividingLine1.png
 
In-game appearance
TableDividingLine2.png
 
Boss
Stage caves.png
Boss Challenge Room Icon.pngSuper Secret Room Icon.png
Mini-Boss
Stage depths.pngStage necropolis.pngStage dank depths.png
Stage womb.pngStage utero.png
Stage sheol.pngStage cathedral.png
Stage dark room.pngStage chest.png
TableDividingLine3.png
 
Boss Boss

Mega Fatty is a boss that appears in The Caves. He appears as a huge version of a Fatty.

Behavior[edit | edit source]

Mega Fatty has 5 attacks in total:

  • He will perform a short-range, very quick jump to the player's position, leaving Red Creep when he lands.
  • He will perform a long-range, longer jump, also leaving Red Creep when he lands, assuming the player is not in range for the short jump.
  • He will inhale and draw the player, objects, and any monsters towards him, and then vomit upwards, unleashing a barrage of projectiles in the player's direction. The vomit itself is harmless, but the projectiles it produces will seek until they land, rather than until he stops spawning them, so keep moving!.
  • He will occasionally fart, which can damage Isaac if he's too close, summoning 1-2 Dips.
  • He will occasionally poop, unleashing a barrage of projectiles behind him.

Champion versions[edit | edit source]

  • Added in Afterbirth Red: Smaller and has 10% less health. Shoots 6 bullets instead of leaving Red Creep upon landing. Poops Red Poop instead of Dips. Vomit attack moves outward in a pattern similar to Mom's Heart/It Lives's four slower bullet stream attacks.
  • Added in Afterbirth Brown: Has 15% more health. Never uses his vomit attack and sends out lines of rock waves instead of leaving Red Creep upon landing when performing the long-range jump, similar to The Cage.

Gallery[edit | edit source]

Tips[edit | edit source]

  • When Mega Fatty is shooting out his barrage of projectiles, it is very easy to see the shadows of the projectiles, allowing you to determine when it is safe to stop moving.
  • The Lost Contact Lost ContactLost Contact Icon.pngEvery tear has a small shield which will allow it to block one enemy projectile. will still block all incoming projectiles from his barrage even if they happen to go high enough to be offscreen.

Trivia[edit | edit source]

  • The Cage is the posthumous version of Mega Fatty.
  • Mega Fatty has the highest health of any boss fought in Chapter 2.
  • The picture of Mega Fatty on Isaac's last will closely resembles the unused variant.


Bosses Boss Monstro.png
Chapter 1
Stage basement.png
Stage cellar.png
Stage burning basement.png
Blighted OvumDingleThe Duke of FliesFamineFistulaGeminiGurglingsThe HauntLarry Jr.MonstroPinStevenWidow
Added in Afterbirth DangleLittle HornRag ManTurdlings
Chapter 2
Stage caves.png
Stage catacombs.png
Stage flooded caves.png
Carrion QueenC.H.A.D.ChubDark OneGurdyGurdy Jr.The HollowThe HuskMega FattyMega MawPeepPestilencePolycephalusThe Wretched
Added in Afterbirth The ForsakenThe FrailThe Stain
Added in Afterbirth † Big HornRag Mega
Chapter 3
Stage depths.png
Stage necropolis.png
Stage dank depths.png
The AdversaryThe BloatThe CageThe GateGishLokiMask Of InfamyMonstro IIWarMom
Added in Afterbirth Brownie
Added in Afterbirth † Sisters Vis
Chapter 4
Stage womb.png
Stage utero.png
Stage scarred womb.png
BlastocystThe BloatConquestDaddy Long LegsDeathLokiiMama GurdyMr. FredScolexTeratomaTriachnidMom's HeartIt Lives
Added in Afterbirth † Sisters VisThe Matriarch
Added in Afterbirth Blue Womb
???
Added in Afterbirth Hush
Chapter 5
Stage sheol.png
Stage cathedral.png
SatanIsaac
Chapter 6
Stage dark room.png
Stage chest.png
???The LambMega Satan
Added in Afterbirth Greed Mode
Ultra Greed
Added in Afterbirth Ultra Greed
Added in Afterbirth † Ultra Greedier
Added in Afterbirth † The Void
Stage the void.png
Added in Afterbirth † Delirium
Chapters 1-4 The FallenThe Headless Horseman


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