Goutetsu

Goutetsu (轟鉄 / ゴウテツ Gōtetsu?, "Roaring Iron") is a non-playable character in the Street Fighter video game series. According to the backstory introduced in Super Street Fighter II Turbo, he was the martial arts master of Gouken and Akuma, who trained them in the martial art style they used. The style would become the basis of Ryu and Ken's fighting style.