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-119875774This article refers to the remake.
Isaac Rebirth

Fatty (ふとっちょ Futotcho) is an over-weighted monster appearing in The Binding of Isaac: Rebirth. They appear in Chapter 1 and 2.


Fatty's appearance look similar to the Gaper enemy with a potbelly and small bloody tears. They are actually known to be taller than Gapers.


They act like Gapers in some way. They move towards Isaac but are significantly slower and also have an additional attack in where the Fatty will stop to fart and push Isaac away if he gets too close, which could move Isaac into hazardous obstacles such as Spikes or Fireplaces. They still deal contact damage though.


  • Ironically, Fatties sometimes come in pack with Skinnies.


  • Fatties are the first enemies to be revealed by Edmund McMillen while Rebirth is under development.
  • The word "fatty" is a common insult used on heavy-set people.
Normal monsters
I Blob-button

I. Blob
More monsters coming soon...
Flies Black FlyAttack FlyMoterEternal FlyPooterFat FlyBoom FlyRed Boom FlyDrowned Boom FlySuckerSpitDart FlySwarm FlyRing FlyLevel 2 FlyFull FlyHush FlyBall of Flies
Spiders SpiderBig SpiderTriteRaglingRag TriteLevel 2 SpiderTicking SpiderBaby Long LegsCrazy Long LegsWall CreepBlind CreepRage Creep
Spheres BoilGutSackBlue BoilWalking Variants
Mulligans MulliganMulligoonMulliboomHiveSwarmerNestDrowned Hive
Headless HopperFlaming HopperLeaperPacerGusherSplasher
Gapers GaperFrowning GaperGurgleMr. MawFlaming GaperCyclopiaSkinnyRottyNullGreed GaperBlue GaperSwinger
Heads HorfPsychic HorfMawRed MawPsychic Maw
Globins GlobinGazing GlobinBlack GlobinDank Globin
Knights KnightSelfless KnightFloating KnightBone Knight
Blobs ClottyClotMega Clotty
Maggots MaggotChargerSpittyConjoined SpittyDrowned ChargerGrub
Body parts Mask + HeartBrainMemBrainGutsMama GutsEyeBloodshot EyeMom's HandDead Mom's HandScarred GutsNerve EndingStone Eye
Worms Para-BiteCod WormScarred Para-BiteRound WormNightcrawlerRoundyUlcer
Leeches LeechKamikaze LeechHoly Leech
Poop DipCorn DipBrown DipSquirtDank SquirtDinga
Skeletons BonyBlack BonyDeath's HeadDank Death's HeadFlesh Death's Head
Ghosts Lil' HauntWizoobRed Ghost
Bats One ToothFat Bat
Fatties FattyFlaming FattyConjoined FattyBlue Conjoined FattyPale Fatty
Hosts HostRed HostWalking HostWalking Red Host
Vises VisDouble VisChubberCage VisScarred Double Vis
Tumors TumorPsy TumorCamillo Jr.
Spikes Wall HuggerSlidePoky
Babies BabyAngelic BabyEmbryoImp
Homunculuses HomunculusBegotten
Keepers KeeperHanger
Grimaces Stone GrimaceVomit GrimaceGaping MawTurret GrimaceBrimstone Grimace
Oobs OobBlack Maw
Others FredLumpB. LickerDukieDopleEvil TwinMeatball

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