answers: Red Hood
context: The most common interpretation of the character is that he is disguised as the criminal Red Hood, and pursued by Batman. The Joker falls into a vat of chemicals which bleaches his skin, colors his hair green and his lips red, and drives him insane. The reasons why the Joker was disguised as the Red Hood, and his identity before his transformation have changed over time. The character was introduced in "Batman" #1 (1940), in which he announces that he will kill three of Gotham's prominent citizens (including Mayor Henry Claridge). Although the police protect Claridge, the Joker had poisoned </s> criminals like the Penguin, the Riddler and Two-Face, although these partnerships rarely end well due to the Joker's desire for unbridled chaos, and uses his stature to lead others (such as Killer Croc and the Scarecrow). The Joker's greatest rival is the smartest man in the world, Lex Luthor. Although they have a friendly partnership in 1950's "World's Finest Comics" #88, later unions emphasized their mutual hostility and clashing egos. Despite his tendency to kill subordinates on a whim, the Joker has no difficulty attracting henchmen with a seemingly infinite cash supply and intimidation: they are too afraid of their </s> kind of ... reddish tights, I believe, with boots ... no gloves, no gauntlets ... with a small domino mask, swinging on a rope. He had two stiff wings that were sticking out, looking like bat wings. And under it was a big sign ... BATMAN". The bat-wing-like cape was suggested by Bob Kane, inspired as a child by Leonardo Da Vinci's sketch of an ornithopter flying device. Finger suggested giving the character a cowl instead of a simple domino mask, a cape instead of wings, and gloves; he also recommended removing the red sections from the original costume. Finger
question: what was the joker 's real name in batman