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IsaacHDIsaac Rebirth

In-game sprite from the original game.
The Caves
The Depths (uncommon)
The Womb
Attack Type(s)
Related Monster(s)
I. Blob
Mega Clotty

Clotty is a monster in The Binding of Isaac and the Rebirth remake which appears to be a living blob of blood with a bone in its head, making its appearance to resemble a meat. It can be randomly found on any floor, ranging from The Basement to The Cathedral.


Clotty slowly crawls in random directions, shooting blood projectiles in the cardinal directions every three seconds, making it hard to hit without taking damage. If there are multiple Clotties in a room, the use of bombs or activated items like The Necronomicon is highly recommended. Having spectral or homing tears will make engagements with them much easier as well.


  • Their appearance may based on Super Meat Boy, the main protagonist from the game of the same name also developed by Edmund McMillen.
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

Start a Discussion Discussions about Clotty

  • NOOOO!!!

    6 messages
    • Still recognizable as three blobs if you look hard enough. After all, they're all different colors. 
    • How did you do that?
  • I Blob

    3 messages
    • Isaac, it says so on the Clotty page.
    • That glitch happens on any enemies who happen to be in the same room as clots. Their gibs will also turn black.

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