Fun Guy

Transformations

Guppy	Beelzebub	Super Bum	Yes Mother?	Bob	Fun Guy	Leviathan	Conjoined
Spun	Seraphim	Oh Crap	Bookworm	Spider Baby	Adult	Stompy

Isaac turns into a walking Mushroom after picking up three distinct items from the following list. Grants a Red Heart container.

Passive Collectibles

Name	ID	Icon	Quote	Description
1up!	11		Extra life	Gives an extra life. Upon death, you will respawn in the previous room with full health and lose the 1up!.
Blue Cap	342		HP + tears up + shot speed down	Grants 1 Red Heart container and increases tears, but decreases shot speed.
Magic Mushroom	12		All Stats Up!	Increases most stats, enlarges Isaac, grants a heart container and restores all health.
Mini Mush	71		Speed + range up	Increases Speed and Shot Height and decreases Isaac's size, but lowers Range.
Odd Mushroom	121		DMG up	Grants an empty heart container. Increases damage, range and shot height while reducing speed.
Odd Mushroom	120		Fire rate up	+1.7 tears, +0.3 speed, reduces damage.
God's Flesh	398		Shrink shot	Tears now have a random chance to apply a shrinking effect, causing enemies to shrink in size and also run away from Isaac. Shrunk enemies can be crushed and killed by walking over them.

Trivia

• The name Fun Guy is a slang term for psychedelic mushrooms and a wordplay on fungi.
• Fun Guy may be a reference to the character of the same name in Chrono Cross.
• Fun Guy"s appearance may be a reference to the character Toad, a humanoid mushroom from the Mario franchise.