Such is the case with Saweetie, who I might have scrolled right past on Instagram without comprehending that it was her under that seriously creepy Joker ... it seems—is Heath Ledger's brilliant ...
Compare that to Ledger, whose only wardrobe change is a nurse's costume straight from Spirit ... It's also pretty much all Heath Ledger's Joker says as far as quotable lines.
Christopher Nolan did not think of Heath Ledger first while looking out for an actor to play 'Joker' in The Dark Knight. Ledger ultimately played the evil character in the 2008 Batman movie.