Fun Guy

Transformations

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

Transformation ID	2

After obtaining three mushroom items from the following list ( 3 items with the mushroom item tag), Isaac turns into a walking Mushroom and gains a Red Heart Container.

Active Collectibles

Name	ID	Icon	Quote	Description	Quality
Mega Mush	5.100.625		I'm a big boy now!	Gigantifies Isaac for 30 seconds, increasing damage and range while lowering tears, granting invulnerability, and allowing Isaac to crush enemies and obstacles he walks on. The effect persists between rooms.	4
Wavy Cap	5.100.582		Tears up. A mind changing experience!	Increases fire rate, decreases speed, and distorts the screen. All effects become more pronounced with repeated use, and wear off by clearing rooms.	1

Passive Collectibles

Name	ID	Icon	Quote	Description	Quality
1up!	5.100.11		Extra life	Gives Isaac an extra life. Upon death, he will respawn in the previous room with full health, after which 1up! will disappear.	2
Blue Cap	5.100.342		HP + tears up + shot speed down	Gives one full Red Heart container, +0.7 tears, and -0.16 shot speed. Heals 1 additional Red Heart.	3
Magic Mushroom	5.100.12		All stats up!	Makes Isaac bigger. Adds one Red Heart Container, +0.3 Damage, x1.5 damage multiplier, +5.25 Range, +0.3 Speed, and restores all Health. Makes Isaac bigger. Adds one Red Heart Container, +0.3 Damage, x1.5 damage multiplier, +2.5 Range, +0.3 Speed, and restores all Health.	4
Mini Mush	5.100.71		Speed + range up	Decreases Isaac's size, making him less likely to be hit. +0.3 speed, +1.5 tear falling speed, -4.25 range (effective range is increased). +0.3 speed, +2.5 range.	2
Odd Mushroom	5.100.121		HP + DMG up, speed down	Grants one empty Heart container, +0.3 damage, +0.25 range, +0.5 tear falling speed, and -0.1 speed. Grants one full Heart container, +1 damage, +1.5 range, and -0.2 speed	2
Odd Mushroom	5.100.120		Tears + speed up, DMG down	+1.7 tears, +0.3 speed, slightly reduces damage.	2
God's Flesh	5.100.398		Shrink shot!	Tears have a chance to shrink enemies, making them run away from Isaac. Shrunk enemies can be crushed and killed by walking over them.	1
Mucormycosis	5.100.553		Spore shot	Gives Isaac the chance to fire spore tears that stick to enemies and blow up after a few seconds, dealing damage and poisoning nearby enemies and releasing more spores.	3

Trivia

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

The Binding of Isaac: Rebirth
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