Harley Quinn (Batman: The Animated Series)

Harley Quinn is a character first featured in the show Batman: The Animated Series. She first appears in the episode Joker's Favor and has commonly appeared ever since. She is The Joker's henchwoman and before that was his doctor at Arkham Asylum. She loves The Joker despite being abused by him and will do anything for his approval. She also befriends Poison Ivy.

Batman: The animated series

 * Joker's Favor
 * The Laughing Fish
 * Harley And Ivy
 * The Man Who Killed Batman
 * Trial (Cameo)
 * Harlequinade
 * Harley's Holiday
 * Lock-Up

The New Batman Adventures

 * Holiday Knight
 * Joker's Millions
 * Girls' Night Out
 * Mad Love
 * Beware The Creeper