Buy Superhero Costumes.com offers child and adult superman costumes in a variety of styles and sizes. Become the most known superhero in one of our officially licensed superman costumes. Superman is widely considered to be the most famous and popular of characters, and is an American cultural icon. Superman also goes by man other names including: "The Man of Steel," "The Man of Tomorrow," and "The Last Son of Krypton." It's a bird, it's a plane, no its Superman. Superman's first appearance was in Action Comics #1, in 1938 and in 1939 a self-titled series was launched. The rest is history. Since then there have been countless comic books and movies based on the character.