Harley Quinn

Harley Quinn (full name: Dr. Harleen Frances Quinzel) is a fictional character appearing in American comic books published by DC Comics. The character was created by Paul Dini and Bruce Timm, and first appeared in Batman: The Animated Series in September 1992. She later appeared in DC Comics's Batman comic books, with the character's first comic book appearance in The Batman Adventures #12 (September 1993). Wikipedia