When it comes to the Joker: Romero, Nicholson or Ledger?

ledger is clearly the best. he was the only one who made a real connection to the real world, and so seems so much more threatening. nicholson was more jokey but lets be honest, before anything else the joker is meant to be this great, pure evil, not just some clown, and noone personified that better than ledger. if you met his joker, you would know u were in the presence of pure evil