Ledger's portrayal of the Joker in The Dark Knight was initially deemed "inappropriate," but he delivered an unexpected and incredible performance that silenced the skeptics. A Clockwork Orange's Alex and The Sex Pistols' Johnny Rotten and Sid Vicious were some of the inspirations to create the dark and anarchic Joker. Ledger isolated himself for weeks, wrote a diary, and experimented with voices to fully embody the psychopathic nature of the Joker, keeping the diary with him during filming.

Christopher Nolan’s The Dark Knight introduced a new version of the Joker, played by Heath Ledger, who ended up becoming one of the best versions of the character to date, and here are a couple of things you didn’t know about Ledger’s Joker. Back in 2005, the live-action Batman returned to the big screen in Nolan’s Batman Begins, marking the beginning of his Dark Knight trilogy. Although all three movies were successful,...