He calls out to Robin to throw him 'shark repellent bat spray', which he used successfully. In the movie, Batman is trying to dislodge a shark attached to his leg while hanging off of a helicopter ladder. The shark repellent is a reference to Batman: The Movie (1966).Will Arnett acknowledged that the raspy, whispery voice he used for Batman, is the same voice he uses with his children when he's giving them important parenting information.He was very eager to also portray Two-Face, but did not get the chance to, due to Joel Schumacher taking over the franchise with Batman Forever (1995), and re-casting the role with Tommy Lee Jones. Williams portrayed Two-Face's alter ego, Harvey Dent, in Batman (1989). Billy Dee Williams voiced the nefarious Two-Face in this movie.It was originally a placeholder before Will Arnett's laugh was to be put in, but never ended up being changed. Batman's crazy laugh was voiced by Director Chris McKay.The directors were fans of Benson's podcast, and hired him based on that.) (The voice is done by Doug Benson, a stand up comedian and podcaster, who has done his comedic impression on Hardy's Bane since The Dark Knight Rises (2012) was released. However, his venom system and mask was used in the Bane from Batman & Robin (1997). Bane's voice and accent, in this movie, is based on Tom Hardy's portrayal of Bane in The Dark Knight Rises (2012).Riki Lindhome as Poison Ivy and the Wicked Witch of the West.Lauren White as Chief O'Hara and Medusa.Joker and all of his minions are put in Arkham Asylum. Suddenly, Joker attacks, but surrenders, putting his master plan into play. An orphan named Dick Grayson starts talking to Bruce, who is distracted, and Bruce unintentionally adopts him. Batman, now acting as his secret identity Bruce Wayne sees Barbara and falls in love. At the resignation gala of Commissioner Gordon, Barbara Gordon takes over as Commissioner.

Joker is determined to prove that he is Batman's worst enemy, and while watching a news report on The Phantom Zone and hearing that it contains Daleks, King Kong, and other villains, decides to surrender himself. Batman is able to stop them but destroys his relationship with Joker by saying that 'There is no us' and 'I don't do (relation)ships'. At the beginning of the movie, Batman is fighting an army of villains lead by The Joker who threatens to blow up Gotham City.

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