The Joker

The Joker was a psychotic anarchist mastermind who, portrayed himself as an agent of chaos, rose to power in the criminal underworld by thrusting Gotham City into turmoil and drew Batman ever closer to crossing the fine line between heroism and vigilantism. Described as a "psychopathic, mass murdering, schizophrenic clown with zero empathy," Joker was potent in both mental combat and strategic Affiliation: Father Mother Wife Thugs.