Hanzo was born as the heir to the leader of the Shimada Clan, a century old group of assassins. He was trained from his birth to be an assassin, and when his father died, he was ordered to straighten out his brother Genji, and to convince him to help him rule the Shimada empire. When Genji refused, Hanzo was forced to kill him. This forever devastated Hanzo, and he now travels the world to regain his honor