Captain Duon Strumgeist is an officer in the 44th Battalion Zerberus (デュオン・シュトルムガイスト) and is one the 7 great hero's of the Defence of Britain and has a nickname called " The Shocking Rose." He is 3rd in command of the Battalion. He pilots a special customized colored (Cobalt Blue) EF-2000 Typhoon.
His call sign is Blau-1.