The Martian Manhunter (J'onn J'onzz) is a superhero appearing in American comic books published by DC Comics. Created by writer Joseph Samachson and designed by artist Joe Certa, the character first appeared in the story "The Manhunter from Mars" in Detective Comics #225 (November 1955). Martian Manhunter is one of the seven original members of the Justice League of America and one of the most powerful beings in the DC Universe. He has also been featured in other DC Comics products, such as video games, television series, animated films and merchandise like action figures.