Batman Who Laughs

The Batman Who Laughs is a Multiversal version of Batman from Earth -22 of the Dark Multiverse.

Trivia

 * The Batman Who Laughs first appeared in Dark Days: The Casting #1 (September, 2017)
 * Each member of the Dark Knights are a representation of Batman's worst fears and regrets. The Batman Who Laughs represents Batman's fear of becoming as bad as the Joker, how much he is defined by the never-ending war with the Clown Prince of Crime and his regret he cannot stop the Joker for good without killing him.