BlueBaby Portrait
Character Information
Character Type Playable
Base Health
Heart flash
Soul heart bigSoul heart bigSoul heart big
Base Damage
Dmg flash
Base Fire Rate
Tears flash
Base Range
Range flash
Base Speed
Speed flash
Base Shot Speed
Tear speed flash
Base Luck
Luck flash
Starting Pickups None
Starting Collectibles Poop Passive
Unlocked By Deafeating Mom's Heart 10 Times

???, commonly known as Blue Baby, is a playable character in The Binding of Isaac: Rebirth. He is a dead baby that has suffocated, hence his blue color. Unlike most playable characters, ??? does not start with any Red Heart Containers, but rather with three Soul Hearts; unlike any other character in the game, ??? can never have red health. When ??? picks up an item that would give him a Red Heart Container (filled or unfilled), it is automatically converted to a Soul Heart. ???'s starting item is The Poop, one of the subjective worst items in the game, unless used creatively as a defense mechanism or in conjunction with other items that enchance it, such as the Petrified Poop trinket.


  • The name Blue Baby comes from Edmund's username on NewGrounds, BlueBaby.
  • Blue Baby was originally in a game called Dead Baby Dressup!, a game created by Edmund McMillen in 2001. The character is also in the following games:
Game Developer Year
12 Uses of Dead Babies Edmund McMillen 2001
12 Uses of Dead Babies Edmund McMillen 2001
Dead Baby Dressup 2! Edmund McMillen 2001
6 More Dead Baby Uses Edmund McMillen 2001
Dead Baby Dressup 3 Edmund McMillen 2001
WWF Baby Dressup Edmund McMillen 2001
8 More Dead Baby Uses! Edmund McMillen 2001
Dead Baby Dressup 4 Edmund McMillen 2001
Dead Baby Dressup X Edmund McMillen 2001
Dead Baby Superhero Dressup Edmund McMillen 2002
Dead Baby Dressup Best Of Edmund McMillen 2002
Dead Baby VG Dressup Edmund McMillen 2008

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