It's also pretty much all Heath Ledger's Joker says as far as quotable lines ... Don't get me wrong, "Wanna know how I got these scars?" is great and all, but "Never rub another man's rhubarb!" ...

Heath Ledger's Joker was able to instill fear in Mobsters the same way he was able to with ordinary citizens. There is something unhinged about him, and his facial scars demand to be looked at.