Batman: White Knight is an American comic book published by DC Comics. The eight-issue limited series, written and illustrated by Sean Murphy, began monthly publication in October 2017 and concluded in May 2018. In the series, the Joker is seemingly cured of his madness and sets out to become a politician under his real name of Jack Napier, seeking to change his public image as a "villain" and save Gotham City from Batman, whom he views as the real enemy of the city.