Shirou Tokisada Amakusa

In this Japanese name, Amakusa is his family name/surname. Shiro is his given name and Tokisada is his middle name.

Shiro Tokisada Amakusa (天草 四郎 時貞, Amakusa Shirō Tokisada) is a recurring boss and playable character in the Samurai Shodown series.

(Source: SNK Wikia)