Professor and retired Major Adam Jonathon Fenix was a former allied soldier and devoted professor at the La Croix University, as well as a member of the Special Research Projects Administration. He was the husband of Doctor Elain Fenix and father of legendary war hero Marcus Fenix. He fought in the Multiverse Wars, but accepted a position designing weapons to try and end the war faster. He helped plan Operation: Leveler, and completed development on the captured Hammer of Dawn technology.