You know what irritates the shit out of me ? The fan art like this :
I admit that both actors gave amazing performances but their Jokers are so different characters to me. TDK Joker is mysterious, ruthless, calculated character, without past, almost non-human. Arthur Fleck is psychologically ill person who turned into monster 'cause people around treated him as shit. Nodding to Ledger feels to me as devaluing Phoenix's work, saying that his Joker can't stand on his own. Arrgh !