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Not to be confused with the passive item of the same name.

Mulligan (マリガン Marigan) is a fairly weak enemy that first appear in Chapter 1.


They look like children with their heads looking bloated, two buck teeth from the lower jaw, and are constantly crying and whimpering.


Mulligans attempt to avoid the player as much as possible, and may even run over spikes or into fires in doing so. They don't damage the player on touch, but staying close to them is very unwise: they may commit suicide and explode (like Mulligoons) and leave 4 projectiles travelling orthogonally along with 2-4 random flies (Pooter, Black Fly, and Attack Fly).

They are sometimes replaced by their gray-colored counterparts, known as Mulligoons, but they can be seen in the same room together.

The chance of them killing becomes higher when they're in corners.


  • A pair of Mulligans can appear at the beginning of Monstro's boss fight.
  • Can be occasionally spawned by Mom.


  • They appear in the original game.
  • Mulligans were created in order to make the player feel bad about killing them.
  • A Mulligan is a rule in many card games. If a player's starting hand is considered too bad, they are allowed to shuffle back their hand into the deck and draw a new set of cards.
    • In Edmund's words: "The mulligans in Isaac are born so messed up they should get a do over.. basically."[1]
  • The item The Mulligan somewhat gives Isaac the appearance of a Mulligan.
  • The Gaper, Mulligan, Hive and Swarmer are all the same monster in stages of decay and infestation; the Mulligan is the early stages of decay.[2]


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 Mulligan

  • The Husk

    2 messages
    • The Husk can be a further decayed version of the Swarmer?
    • On Edmund's tumblr blog he said that " -the gaper, Mulligan, Mulligoon, and Swarmer are all the same monster in stages of decay ...
  • Mulligan and trypophobia

    • Mulligan's have to do something with trypophobia i know 

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