He is Hijikata Toshizou.
He was a member of Shinsengumi.
They were security forces in Kyoto in the last of Edo period. They caught and killed a lot of Sonnou joui shishi (Movement advocaring reverence for the Emperor and the expulsion of foreigners) and revolutionary armies. they fought for Tokugawa bakufu.
but he couldn`t stop Meiji revolution.