The Joker is one of the oldest villains in comic book history and has undergone several iterations since 1940. Here's how the character evolved over the years.

As the 14th actor to play DC’s iconic comic book villain ‘Joker’, Joaquin Phoenix have some big shoes to fill. But comparing the different performances of the Joker throughout history is not a fair argument as they are mostly playing an entirely different character. From Cesar Romero’s comic portrayal in the ‘Batman’ TV series, Mark Hamill’s vocal performance in ‘Batman: The Animated Series’, Jack Nicholson’s iconic portrayal in Tim Burton’s ‘Batman’, all the way to Heath Ledger’s game-changing performance in ‘The Dark Knight’. Here are the four different interpretations of the Clown Prince of Crime over history.