Goichi Suda (須田剛一), better known by the pseudonym SUDA51, is a Japanese writer, video game director and the chief executive officer of Grasshopper Manufacture. Beginning his career as a scenario writer for Human Entertainment, Suda departed five years later and formed Grasshopper in Suginami, Japan. He became popularly known as SUDA51, a pun on his given name Goichi, where go means five in Japanese and ichi means one. SUDA51's roles in the games made at his studio have varied over the years, however he has not limited his work only to Grasshopper titles. During his career, SUDA51 has also lent his talents to other video games such as Super Smash Bros. Brawl, Liberation Maiden SIN and Short Peace: Ranko Tsukigime's Longest Day.