Based on the Elseworlds miniseries written by Mike Mignola
animation, Batman: The Doom That Came To Gotham, Brian George, Cartoons, Christopher Berkeley, Christopher Gorham, Darin De Paul, David Dastmalchian, David Giuntoli, DC Comics, Emily O’Brien, Gideon Adlon, Jase Ricci, Jason Marsden, Jeffrey Combs, John DiMaggio, Karan Brar, Matthew Waterson, Navid Negahban, Patrick Fabian, Sam Liu, Tati Gabrielle, Tim Russ, Warner Bros. Animation, William Salyers