Necrom is a fictional supervillain appearing in American comic books published by Marvel Comics. The character has been depicted as an enemy of the British superhero group Excalibur. Created by writer/artist Alan Davis, the character first appeared in Excalibur #46 (January, 1992), which depicted him as a powerful sorcerer who sought the power of the cosmic entity known as the Phoenix Force, with which he threatened the entire multiverse.