Assistant for one Mrs. Sakurai. Itagaki questioned her decision to hire Onizuka. His role is much more signficant in the manga version. Is he loyal to Mrs. Sakurai or is he really with the corrupt school board? He plays his role very well, everything that he was doing finally revealed in Volume 24 of the Manga. http://kikuchifan34.tripod.com/holyforestoffice1.html#itagaki