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 (character) book writer Peter Tomasi concurred, stating that the Joker's main goal is to make Batman the best that he can be. The Joker and Batman represent opposites: the extroverted Joker wears colorful clothing and embraces chaos, while the introverted, monochromatic Batman represents order and discipline. The Joker is often depicted as defining his existence through his conflict with Batman. In 1994's "Going Sane", the villain tries to lead a normal life after Batman's (apparent) death, only to become his old self again when Batman reappears; in "Emperor Joker", an apparently omnipotent Joker cannot destroy Batman without undoing himself. Since the