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IsaacHDIsaac scribble Rebirth

Gish full
Offical artwork by Edmund McMillen
Floor(s) The Depths
Monstro II
Item Drop(s) Little Gish
Rebirth Stats

Gish is an alternative boss replacing Monstro II in The Depths. He appears as a large ball of tar with yellow, beady eyes and sharp fangs.


Gish's attack pattern is similar to that of Monstro II. However, instead of a blood beam, he attacks with exploding projectiles that leave behind puddles of tar that slow down Isaac. Instead of Monstro II's Sucker-spawning attack, Gish spawns two smaller Clots based on himself. Unlike with Monstro II, his first stomping attack does not produce any projectiles.

Gish is unlocked by clearing The Depths 30 times. Upon defeat, he will drop Little Gish if you do not already have it.


Gish is an easy boss once you get the hang of his attack patterns. His leaps into the air are easy to avoid and his spawned Clotties are simple enemies. His tar ball attack is easy to dodge, as the player can just run in a circle and Gish will usually miss. With this fight, patience is the key.


  • Gish is a character from Edmund's game, Gish.
  • Gish was also an unlockable in another of Edmund's games, Super Meat Boy and the free flash game Meat Boy, and appeared as a part of customization in his game Host.
  • In another flash game by Edmund, Spewer, "Gishy" is the name of the achievement you get when you complete the fourth chapter, and has an image of what seems to be Gish.
  • Gish means 'to spew' or 'to vomit'.


WARNING: Spoiler ahead!

Related Achievements

Stickerfingers "I Have Sticker Fingers..." - Defeat Gish.

Basement Larry Jr.MonstroThe Duke of FliesGeminiStevenFamine
Cellar WidowPinThe Duke of FliesFamineGurdy Jr.The Blighted Ovum
The Caves FistulaPeepGurdyChubC.H.A.D.Pestilence
Catacombs The HuskThe HollowThe Blighted OvumThe Carrion QueenPeepPestilenceThe WretchedGurdy Jr.
The Depths LokiMonstro IIGishWarMom
Necropolis Mask of InfamyDaddy Long LegsThe Carrion QueenThe BloatLokiWarThe WretchedMom
The Womb ScolexBlastocystThe BloatDeathConquestDaddy Long LegsTriachnidTeratomaMom's HeartIt Lives
Utero TeratomaThe BloatDeathConquestDaddy Long LegsTriachnidLokiiMom's HeartIt Lives
Sheol The FallenSatan
Cathedral Isaac
The Chest ???
First to fifth and seventh level The FallenHeadless Horseman
Devil Room Krampus

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