Tōka Senju

was a member of the Senju clan in the time before Konoha was founded. She was a close associate of the leader of the clan, Hashirama Senju. Tōka specialized in Genjutsu and was well-known throughout the world for her amazing Genjutsu abilities. However she was never even considered to be as good as Hashirama.

Trivia

 * Tōka means "peach flower".