Wikipedia WWW site, viewed October 13, 2015 (Superman; a fictional superhero appearing in American comic books published by DC Comics; the Superman character was created by writer Jerry Siegel and artist Joe Shuster in 1933; the character was sold to Detective Comics, Inc. (later DC Comics) in 1938; Superman first appeared in Action Comics #1 (June 1938) and subsequently appeared in various radio serials, newspaper strips, television programs, films, and video games; birth name: Kal-El; adopted name: Clark Kent)
