Batman #145 reveals that the Joker has always known about the Batman of Zur-En-Arrh: Bruce’s “backup” personality who is pure Batman. “You’ve only shown him to me twice before, but he was beautiful,” ...

Even if you haven't seen Joker: Folie à Deux, if you've been keeping up with the trailers and promotion, you probably have a pretty good idea of which character we're referring to. But just in case, ...

The Joker is widely regarded as Batman’s greatest nemesis. He’s consistently proven himself capable of outwitting the Dark Knight, and he always seems to cheat death and return to plague Gotham City ...