Asura Ōtsutsuki

The Senju clan ancestor was the younger son and heir of the Sage of the Six Paths.

Background
He was born with the Sage's "body": the willpower and physical energy. He believed that love was the key to peace. When the Sage was on his deathbed, he selected the younger brother to carry on his dreams of peace for the ninja world. The older brother, believing he should have been chosen, fought his brother to try and claim what he felt he deserved. His descendants, the Uchiha clan, would continue this fight with the younger brother's descendants, the Senju clan.

Appearance
He has short spiky hair and wears what seems to be a Forehead Protector with no symbol on it.

Trivia

 * As the younger brother was born with the "willpower" of the Sage of the Six Paths, it may be possible that this refers to Hashirama Senju's "Will of Fire".


 * As revealed by Kushina Uzumaki, the Uzumaki clan share the same common ancestry as the Senju clan. Thus, it is possible that the Senju Clan Ancestor is also ancestor to the Uzumaki clan.


 * It could be that the power of the spirit that the sage gave him could give him long life, and the power is now in the Uzumaki.