Stoneman is a male Tau'ri and a General in United States Air Force and commander of Stargate Command. He and the other senior members ruled Major Gus Bonner for treason. For led Tlak'kahn to ambush on a mission. Sheftu spy Nephestis tricked him. When Gus Bonner and his team returned to Earth Nephestis took his form. (INF: "The Decision", "The Long Haul")