The Joker is probably the most favorite villain of comic fans in any universe. Batmans greatest foe is interestingly insane, evil and very frightening to Batman and everyone else. There have been so many iterations of this famous character, you can pick your favorite, and color him! You can also color other superheros like Batman, Harley Quinn, Superman, Wonder Woman, Flash, Supergirl, Batgirl, DC Superhero Girls and Teen Titans.