Kazuo Ushiyama, a key member of the Ushiyama family, operates as a vital logistical and tactical support specialist within the Gutsy Geoid Guard (GGG). His role centers on orchestrating mission coordination and ensuring seamless field operation strategies.

During a decisive battle in episode 15, Ushiyama temporarily partnered with Reo Shishioh and Geki Hyuuma to co-pilot the mechanized unit GaoGaiGar, showcasing his adaptability in combat scenarios. This rare frontline engagement emphasized his capacity to pivot from command-center expertise to direct battlefield involvement during critical missions.