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: A Death in the Family the Outlaws". "A Death in the Family" was referenced in "Emperor Joker", a 2010 episode of "" (2008-2011). In it, a fourth wall-breaking Bat-Mite references the comic and the 900 number, and Batman is briefly seen cradling Robin. The story was briefly featured in a flashback sequence during the first minutes of the animated film "" (2010). The story is also referenced in the DC Extended Universe films "" and "Suicide Squad" (both 2016), which hinted that the Joker and Harley Quinn killed Todd prior to the films' events. "" alumni Kevin Conroy (Batman) and Mark Hamill (the Joker) teased