But by far the scariest villain was the Batman Who Laughs. After the Joker finds out he's going to die, he goes on one last rampage, slaughtering James Gordon and murdering dozens of children.

Batman Who Laughs: The scariest Batman from the Dark ... but he’s not the fully realized Batman he could be. Jim Gordon taking over as Batman after the Dark Knight's seeming death.

Start with Batman: Year One (1987) for the definitive origin story and insight into characters like James Gordon and Catwoman. Explore Batman's early rogues gallery in Batman: The Man Who Laughs ...