This article is about the Shikoku Inu from SSY. For the Shiba Inu, see Ryū. For the unknown breed, see Ryu. For the Shikoku Inu from the GDW anime, see Ryū (GDW). For the human, see Ryu (WOZ).

Ryū is the son of Aka.

Shiroi Senshi Yamato

He is a fighting dog owned by Seijūrō and he dies when he protects his owner from a huge gorilla called Sarugami.