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
Batman: Death of the Family like Raya, who attack Nightwing and knock him unconscious. When he awakens, Joker prepares to show him an unseen item on a cloche (concluded in "Batman" #17). Joker drugs Jason Todd's lover and calls the police to his apartment, Todd escapes and goes to warn Batman, but the Joker predicts his actions and gasses Todd unconscious. When he wakes, Joker provides artifacts of Todd's youth including a bullet that shot his father, and a recreation of how he found his dead mother, intimating he knows Todd's real identity. As Todd works his way towards Joker, he falls through a trap