Comic Fun Fact
Do You Know - that the official first appearance of Harley Quinn was actually not the Batman Adventures #12?
The comic book, to be correct, was actually the FIRST APPEARANCE IN COMIC BOOK for the character.
Harley Quinn made her first official appearance in the animated series - Joker's Favor, an episode in the Batman Animated Series.
It was after which producer Bruce Timm went on to write Harley's origin in the graphic novel, which wowed readers so much it won him an Eisner Award.
Awesome isn't it? ^^