Harley Quin

Harley Quinn is a fictional character and the main antagonist of the Batman series. She was created by Paul Dini and Bruce Timm and first appeared in the 1990s. Quinn is a skilled martial artist and acrobat who was once the sidekick of the Joker. She is known for her cunning and her ability to outwit her enemies. Quinn has become a popular character in her own right and has appeared in numerous comic books, animated series, and films.