Gregory "Greg" Rucka is an American comic book writer and novelist. He is the author of nearly a dozen novels, including the Atticus Kodiak series. In comics, he has had the opportunity to write stories featuring some of the world’s best-known characters—Superman, Batman, Wonder Woman, Punisher, and Wolverine—as well as penning several creator-owned properties himself, such as Whiteout, Queen & Country, and Lazarus.