Wiki:Great Teacher Onizuka , officially abbreviated to GTO, is a manga, anime, and live-action series created by Tohru Fujisawa. It is the story of Eikichi Onizuka, a 22-year-old former motorcycle gang member, and his quest to be the greatest teacher in Japan. GTO is a continuation of Tohru Fujisawa's other manga series Shonan Junai Gumi and Bad Company. It won the 1998 Kodansha Manga Award