Jinzō Toriumi was a Japanese screenwriter who first began his career during the "revolutionary era" of Japanese animation on Mach GoGoGo, Science Ninja Team Gatchaman, and Yatterman.

Speed Racer, also known as Mach GoGoGo , is a Japanese manga about automobile racing created by Tatsuo Yoshida. It was originally serialized in print in Shueisha's 1966 Shōnen Book. It was released in tankōbon book form by Sun Wide Comics and later re-released in Japan by Fusosha. Adapted into anime by Tatsunoko Productions, its 52 episodes aired on Fuji TV from April 1967 to March 1968. In the US, the show aired in syndication at approximately the same time. The anime was later re-broadcast on Tokyo MX from July 1 to September 25, 2008.