Master Sergeant Kain Fuery is a compassionate individual who values animal welfare and cares for others. He was responsible for introducing Black Hayate into the eastern Headquarters, although he initially found Rizas training methods unsettling. As part of Roy Mustangs group, Fuery is the youngest member and the only non-commissioned officer in the team. Known as a skilled radio operator, Fuery excels at technical work under Mustangs command. Although not accustomed to hand-to-hand combat, he proves capable in emergencies.