The Destroyer (Kevin "Keen" Marlow) is a fictional superhero in the Marvel Comics universe, who first appeared in the 1940s during what historians and fans call the Golden Age of comic books. He is significant as being one of the earliest creations of industry legend Stan Lee. As comics historian and former Marvel editor-in-chief Roy Thomas notes: "Stan's most popular superhero creation before the Fantastic Four was the Destroyer, debuting in Mystic Comics #6 (Oct. 1941). The artist co-creator is unknown; the story penciler-inker was Jack Binder, the cover-artist Alex Schomburg.