Why the Joker from Gotham looks so familiar
It's unclear if Cameron Monaghan is actually playing the Joker on FOX's DC Comics series Gotham, or if his character on this Batman prequel is just eerily similar to the bad guy we all know and love to hate. If he's not, then his character, Jerome Valeska, is sure giving a convincing performance as the would-be Clown Prince of Crime. In either case, seeing Monaghan on the series must have left some audience members questioning where they've seen that actor before. Here are a few of his most recognizable roles.