Harley Quinn was first introduced in 1992 in Batman: The Animated Series. She started out as Harleen Quinzel, Arkham Asylums psychologist, where she met the Joker and fell into a very unhealthy relationship with him. He led her to a life of crime, and she was good at it. Good enough to dump Joker and go out on her own. This girl quickly became a favorite in the DC universe. Bring her to life with your coloring skills and these great printables. You can also color superheros like DC Super Hero Girls, Wonder Woman, Supergirl, Superman, Batman, and the Flash.