Batman: White Knight stopped with a fist, i.e. Batman's methods. This led him to turn the Joker into a politician, using the character's intelligence and charisma to win the people of Gotham over. DC Comics had no problems with the ideas that Murphy had for the series such as changing the timeline in Batman's history. However, the adult content like nudity and profanity that Murphy had intended to include were not permitted. Murphy revealed that the Joker in "White Knight" has the real name Jack Napier, a callback to Tim Burton's 1989 "Batman" film where the Joker played by Jack Nicholson also shares
Joker (The Dark Knight) performance; he himself regarded it as his most enjoyable. When the film was released in July 2008, six months after the actor had died from an accidental prescription drug overdose, the performance caused a sensation, receiving widespread acclaim and numerous posthumous accolades, including the Academy Award for Best Supporting Actor. The character is indirectly referenced at the end of "Batman Begins", when Lt. James Gordon (Gary Oldman) describes to Batman (Christian Bale) a suspect wanted in connection with an armed robbery and double homicide. Gordon shows Batman a joker playing card left at the crime scene. The Joker (Heath Ledger)