The Joker, a supervillain in DC Comics and archenemy of the superhero Batman, has appeared in various media. WorldCat records over 250 productions featuring the Joker as a subject, including films, television series, books, and video games. Live-action films featuring the character are typically the most successful.
Actors who have played the Joker. Top: Cesar Romero, Jack Nicholson, Mark Hamill (voice) Center: Heath Ledger, Jared Leto, Joaquin Phoenix Bottom: Cameron Monaghan (as Jerome and Jeremiah Valeska).
Jerome and Jeremiah Valeska
Jerome and Jeremiah Valeska are characters and antagonists in the Fox television series Gotham. They are identical twin brothers portrayed by Cameron Monaghan. The series is a crime drama developed by Bruno Heller based on the Batman mythos in comic books published by DC Comics.
Cameron Monaghan as Jerome (left) and Jeremiah (right) on Gotham