Frank Miller is an American comic book writer, penciller and inker, novelist, screenwriter, film director, and producer best known for his comic book stories and graphic novels such as Ronin, Daredevil: Born Again, The Dark Knight Returns, Batman: Year One, Sin City, and 300. Miller revolutionized comic art in the 80s with his work on Marvel's Daredevil.
Klaus Janson is a German-born American comics artist, working regularly for Marvel Comics and DC Comics and sporadically for independent companies. While he is best known as an inker, Janson has frequently worked as a penciller and colorist. Janson began working for DC Comics in the early 1980s and inked Gene Colan's pencils on Detective Comics and Jemm, Son of Saturn. Janson was one of the artists on Superman #400 (Oct. 1984) and was one of the contributors to the DC Challenge limited series. His collaboration with Miller on Daredevil would soon be eclipsed by a second collaboration between them, on Batman: The Dark Knight Returns in 1986. Janson inked the early issues of The Sensational Spider-Man which had been written and penciled by Dan Jurgens. Janson's work as an inker and occasional penciler at Marvel Comics includes collaborations with John Romita Jr. on Wolverine, The Amazing Spider-Man and Black Panther.