Krypto, also known as Krypto the Superdog, is a superhero dog appearing in American comic books published by DC Comics, commonly in association with the character Superman. In most continuities, Krypto is Superman's pet dog, usually depicted as a white dog of a generic pedigree often resembling a Labrador Retriever, a plain white Dalmatian, or a White Shepherd.
Krypto, with Superboy, in his first appearance, from Adventure Comics #210 (March 1955). Art by Curt Swan and Stan Kaye. The interior story was done by Curt Swan and Sy Barry
Krypto aids Superboy against Superboy-Prime, on the cover for Infinite Crisis #4 (March 2006). Art by Jim Lee and Sandra Hope.
Krypto as he appears in Krypto the Superdog
Krypto as he appeared in Superman/Batman: Apocalypse
Superman is a superhero who appears in American comic books published by DC Comics. The character was created by writer Jerry Siegel and artist Joe Shuster, and debuted in the comic book Action Comics #1. Superman has been adapted to a number of other media, which includes radio serials, novels, films, television shows, theater, and video games.
Jerry Siegel, writer
Joe Shuster, illustrator
"The Reign of the Superman", a short story by Jerry Siegel (January 1933)
Superman's debut