GTO: Great Teacher Onizuka - Great Teacher Onizuka + Manga Volume 1 (DVD 1) 2005-10-11 (from $6.00) GTO: Great Teacher Onizuka - The Bully (DVD 2) 2002-05-21 (from $26.04) GTO ...

Onizuka-sensei is an ex-motorcycle gangster who yearns to become a schoolteacher in the manga, anime, and TV series GTO, Great Teacher Onizuka. GTO was published in 1997 by KC Magazine Shounen Comics.