No, the Joker from Batman is a fictional (non real) character.
When the Joker meets Batman the Joker calls him my dear Darknight.
joker robot
Batman always wins against the Joker.
In the movies... Batman 1989 - Joker Batman Returns (1992) - Penguin Batman Begins (2005) - Scarecrow The Dark Knight (2007) - Joker <---Best movie Ever R.I.P. Heath Ledger
Joker is most commonly portrayed as a male, but he is portrayed as a woman in Batman Thrillkill as Bianca Steeplechase and Batman Flashpoint as Martha Wayne
The Joker character was not in 'Batman Returns', but he was in the 1989 version 'Batman' played by Jack Nicholson.
The Joker. Two-Face and Scarecrow are runners up
In "The Batman" animated TV show, Joker disguises himself as Batman in the "The Laughing Bat" episode.
Batman.
Cesar Romero played the Joker in the 1966 film "Batman".
In the movie Batman (the dark knight) Heath Ledger played as the joker.