Harley Quinn

Dr. Harleen Frances Quinzel (a.k.a. Harley Quinn) is a villainess from the Batman series and one of the many villains of DC comics. She is The Joker's girlfriend, and henchgirl. She was created by Paul Dini and first appeared in his Batman cartoon. According to the comic book canon she was interning at Arkham Asylum as a psychologist when she met the Joker. She got overly fixated on him, and started believing she loved the Joker. she does whatever she has to do to achieve The Joker`s approval. She also allies herself frequently with Poison Ivy, Catwoman, & Lola Bunny.