Gouten Raiga is a supporting character in the Garo series, serving as the loyal Makai Horse of the protagonist, Raiga Saejima. Gouten is a mystical, armored steed summoned to aid Makai Knights in battle, renowned for his speed, strength, and resilience. His presence is vital during intense confrontations against Horrors, providing both transportation and combat assistance. Gouten's unwavering loyalty and courage make him an indispensable ally within the Garo universe, often appearing at crucial moments to support his rider's quest.