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 a Christmas special. Joker is speaking to a "live" studio audience consisting of cardboard cutouts of Gotham's various public servants, including Batman and Robin. Joker tells the camera that because he does not have a family of his own to spend the holidays with, he has decided to steal one. His family, "The Awful Lawful Family", is made up of a hogtied Commissioner Gordon, Summer Gleeson, and Harvey Bullock. Joker tells the camera that if Batman isn't able to track him down by midnight, he will kill the three hostages. Using the Batcomputer, Batman is able access Gotham's electrical mainframe