Greg Rucka is an American comic book writer and screenplay writer. He is known for his work on well-known comics such as Wonder Woman, Detective Comics, and Batman as well as the DC Comics miniseries Superman: World of New Krypton, as well as for creating the Image Comics series Lazarus and novels such as his Atticus Kodiak series. He also wrote the screenplay to the 2020 film The Old Guard, based on his comics series of the same name.