Captain Future is a pulp science fiction hero – a space-traveling scientist and adventurer – originally published in the United States in his his namesake pulp magazine from 1940 to 1944. The character was created by editors Mort Weisinger and Leo Margulies. The majority of the stories were authored by Edmond Hamilton. A number of adaptations and derivative works followed.

Captain Comet is a superhero appearing in American Comic Books published by DC Comics, created by editor Julius Schwartz, writer John Broome, and artist Carmine Infantino.