☑ Like br ☑ Comment br ☑ Follow br br Who is Harley Quinn? Here's a quick rundown on the Joker's main squeeze! br br Harley Quinn, the nickname of Dr. Harleen Frances Quinzel, M.D., is a fictional character, a super villain in the DC Universe. The character was introduced on September 11, 1992, in Batman: The Animated Series and later adapted into DC Comics' Batman comic books, first appearing in The Batman Adventures #12 (September 1993). As suggested by her name (a play on the word "harlequin"), she is clad in the manner of a traditional harlequin jester. The character is a frequent accomplicegirlfriend of Batman's nemesis the Joker, and is also close to Poison Ivy, from whom she gained her immunity to poisons and toxins. br br The character was created by Paul Dini and Bruce Timm and was originally voiced by Arleen Sorkin in Batman: The Animated Series and its tie-ins.