The Batman Who Laughs is a supervillain appearing in American comic books published by DC Comics. Created by writer Scott Snyder and artist Greg Capullo, he is the evil counterpart and alternate version of Batman within the Dark Multiverse.

Scott Snyder is an American comic book author. He is known for his 2006 short story collection Voodoo Heart, and his work for DC Comics, including series such as American Vampire, Detective Comics, a highly acclaimed run on Batman, Swamp Thing, and Justice League as well as the company-wide crossover storylines "Dark Nights: Metal" and "Dark Nights: Death Metal." He has also written creator-owned comics published through Image Comics, including Wytches, Undiscovered Country, and Nocterra.