Coo Kirby is a supporting character in the anime series 'Hoshi no Kirby' (also known as 'Kirby: Right Back at Ya!'). Coo is an intelligent and wise owl who is one of Kirby's close friends and allies. He is known for his calm demeanor and his ability to fly swiftly, often helping Kirby traverse difficult terrains or escape danger. Coo plays a significant role in several episodes, providing advice and support to Kirby and his friends in their battles against the forces of evil.