Gai Shishio is the main protagonist of the anime series 'Yuusha-Ou GaoGaiGar.' Once a human who was mortally wounded, he was revived with cybernetic enhancements and became the pilot of the titular super robot, GaoGaiGar. Gai is known for his courageous spirit, determination, and sense of justice. As a member of the Gutsy Geoid Guard (GGG), he leads the fight against the mysterious alien threat, Zonder, and inspires his team through his selflessness and indomitable will.