A character from the "Rurouni Kensin" series

Aoshi is the leader of the Oniwa Banshu. After most of his men were killed by a gatling gun, he turned towards evil in his goal to kill kenshin. (Even though his men had sacraficed themselves willingly to help kenshin beat the gun, and save himself and Aoshi) Later, Kenshin beats Aoshi and turns him back towards the light.