Graga

Graga is the chief of the Garon’s tribe and also the most powerful warrior at the East of the Garon’s Valley. The human beings see him and his tribes like simple human eaters because of their very different body and their huge power. Graga has been captured during a battle between Caradia and the Balzaar. Then, he has been sent to Yuga’s jail to be executed like four of his comrades. In his jail, he meets Sona and sees in his eyes a strange light which make him think that the boy is special… (source: the-arms-peddler wikia )