The Binding of Isaac Wiki

Guppy's Hair Ball

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Guppy's Hair Ball
Guppys Hair Ball Icon
In-Game Appearance
GuppysHairball Row
Tears Appearance
Item Type
Pickup Quote
Other Information
Collection Grid (B,7,8)
Recharge Time N/A
Found Treasure Room
Unlocked By Transform into Guppy

A hairball, thrown up by Guppy.


Loosely follows behind Isaac. Can be swung like a flail by rapidly spinning Isaac in a circle.

Deals damage when it collides with enemies. If an enemy is killed by the ball, it increases in size up to a maximum limit. The larger the ball becomes, the easier it is to swing, the larger its collision radius becomes, and the higher its damage becomes. Size is reduced at the start of each floor.


  • The hairball goes through walls and enemies, and can therefore be a substitute for piercing and spectral tears.
  • The hairball does not count towards transforming into Guppy, but it does in Rebirth.
  • The hairball will block shots.


  • Guppy's Hairball can push bombs around, so if used with the Remote Detonator, Guppy's Hairball can fling bombs at enemies and the player can blow the bombs up at their will.


  • The hairball can be swung while charging slow-firing Fetus or Brimstone shots for added defense

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