The Joker is a very sadistic and insane individual.
Almost nothing is known about the jokers past, exept that he was involved in some sort of acident that bleached his skin white and burned off his eyelids. He also carved into his face so he would always be smileing.
He is a very sadistic and insane individual. Most people describe him as a scosiopathic clown with zero empathy for human life. He is a mastermind, bank robber, and mass murderur among other things.
He has no major abilities besides being incredibly smart and ruthless.