Mister Mxyzptlk, sometimes called Mxy, is a character who appears in American comic books published by DC Comics. He is usually presented as a trickster in the classical mythological sense. Mxyzptlk possesses reality-warping powers with which he enjoys tormenting Superman or making life difficult. His portrayal has varied, with him being an outright supervillain in some media, and an antihero in others.

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.