Joker is one of the greatest comic villains and the greatest archenemy of Batman. Called the "Sinister Clown of Crime," it was created by Bill Finger, Bob Kane and Jerry Robinson inspired by actor Conrad Veidt in the 1928 film "The Man Who Laughs" and a deck. Psycho and always smiling made his debut in Batman # 1 of 1940. Its origin, as well as its real name, is a mystery.

The Joker has a great sick humor and uses deadly weapons inspired by comedies and black humor. Series derived from the Arkham Knight game of 2015, the fourth and final game of the Batman: Arkham series from Rocksteady Studios, where it shows the events that occur one year after the visions in its predecessor in the chronology "Arkham City". Dead at the end of Arkham City, the Joker appears in the course of Batman: Arkham Knight in the form of Batman Man's hallucinations brought on by the Scarecrow's gas.