Being the descendants of Hagoroma Otsusuki’s youngest son, Asura, the Senju Clan have ... In terms of their symbol, throughout the Naruto verse, the clan is represented by one that resembles ...

In Naruto, Indra and Asura are the sons of the Sage of Six Paths, Hagoromo Otsutsuki. As a result, they were both immensely powerful and became the progenitors of the strongest clans in the show.