Harley Quinn (Harleen Frances Quinzel) is a fictional supervillain 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.
Harley Quinn is the Joker's frequent accomplice and lover, whom she met while working as a psychiatrist at Arkham Asylum, where the Joker was a patient. Her name is a play on the name "Harlequin", a character which originated in the commedia dell'arte.
Harley Quinn fan art