Isami Ao is a supporting character in the anime series Yuusha-Ou GaoGaiGar. He is a skilled scientist and engineer working for the Gutsy Geoid Guard (GGG), an organization dedicated to protecting Earth from alien threats. Ao is known for his calm demeanor and intellectual prowess, often providing crucial technical support to the main team led by Guy Shishioh. His expertise in robotics and mechanics plays a vital role in maintaining and upgrading the mecha, GaoGaiGar, ensuring its readiness for battle against the Zonderians.