Krypton
Comics
Krypton is a fictional planet appearing in American comic books published by DC Comics, most commonly appearing or mentioned in stories starring the superhero Superman as the world from whence he came. The planet was created by Jerry Siegel and... Wikipedia
Created by: Jerry Siegel; Joe Shuster
First appearance: Action Comics #1 (June 1938); Named: Superman #1 (1939)
Locations: Argo City; Kandor; Kryptonopolis; Vathlo Island
Race(s): Kryptonians