who killed hashirama

Tobirama was born during the Warring States Period, and was the second of Butsuma Senju 's four sons. why kakashi killed rin He and his brothers grew up on the battlefield waging constant war with their rivalling clans especially the Uchiha After the deaths of their brothers: Kawarama and later Itama, Tobirama and his older brother, Hashirama, decided a new shinobi