The Martian Manhunter (J'onn J'onzz) is a fictional character, a superhero that appears in publications published by DC Comics. Created by writer Joseph Samachson and artist Joe Certa, the character first appeared in Detective Comics #225 (Nov. 1955). The character is known for being one of the core members of the Justice League.
The character of J'onn J'onzz has featured in other DC Comics-endorsed products such as video games, television series, animated films, and merchandise such as action figures and trading cards.
Read more about Martian Manhunter: Powers and Abilities, Rogues Gallery, Other Versions, Reception, Collected Editions