Dinosaur Ryuuzaki

ダイナソー竜崎, Rex Raptor
Ryuzaki is the runnerup in the Japanese Duel Monsters tournament. He is good friends with the champion Insector Haga and tends to use cards related to dinosaurs thus his nickname quotDinosaurquot due to his love of dinosaurs. In the English anime he is named after the tyrannosaurus rex and the Raptor two types of dinosaurs. Source: Wkipedia