Eikichi Onizuka

Eikichi Onizuka is the main character of the manga Great Teacher Onizuka he has been incorrectly perceived as a heroic character where it was true in the anime it was not true in the manga he was at best an anti hero whose methods frequently put others including his students in danger.

Background
Eikichi Onizuka is a former bike gang leader who graduates from a third rate college he is inspired to be a teacher and aspires to be one. However his methods would be extreme and can put people in danger.

Personality
Eikichi Onizuka in the manga has been described by some bitter critics of the manga as an 'out of control maniac' with regards with his methods and behavior which put people in danger.

Onizuka is arrogant, self righteous and hypocritical and does not practice what he preaches at one point in the manga he even lectures parents on having faith in their own kids yet Onizuka has no real faith in his students at all no matter what their potential is which he does not genuinely believe in. Also he speaks of giving people a chance yet there he does not and his reasons are often shallow at best.

Also Onizuka shows very little real caring to the people who care about him most notably the main GTO cast plus he shows very little real gratitude or respect to people who help him.

Onizuka's methods are often extreme and can put others including his students in danger there are times people could have been killed.

The 2012 Live Action Incarnation of Onizuka was not much better while he was not as extreme as the manga Onizuka he was just as self righteous and hypocritical.