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
Christmas with the Joker wrapped in Batman-symbol wrapping paper. Batman opens the package to discover a spring-loaded pie, which splatters all over his face, to the Joker's hysterics. After wiping the pie off, Batman advances on his nemesis, leading Joker to cut the rope. Batman makes a tremendous leap, catching the bundled hostages and pushing them out of the way of the vat. Batman grabs the Joker, but fails to hold him as he was apparently wearing two sweaters, and simply wriggles out of one of them. Batman chases a howling Joker up a catwalk. Just as Joker is making his escape, he slips