, known to the world at large as the , was a legendary god-like figure who founded Ninshū, which led to the creation of the ninja world. He was the son of Princess Kaguya Ōtsutsuki‎‎ and alongside his fraternal twin brother, Hamura, were the first to be born with the same powerful chakra as their mother. Together, he and his brother defeated their mother, who had become the terrifying Ten-Tails, in battle and sealed the powerful beast within himself, thus making Hagoromo the first jinchūriki.