Great Teacher Onizuka
is a Japanese actor and voice actor from Chiba Prefecture. He is affiliated with Arts Vision. He is best known for his roles in "Detective Conan" (as Genta Kojima and Wataru Takagi), "After War Gundam X" (as Garrod Ran), "Slayers Try" (as Valgaav), the ' series (as Cheetor), "Great Teacher Onizuka" (as Eikichi Onizuka), "Hajime no Ippo" (as Masaru Aoki), "Naruto" (as Obito Uchiha), the fifth series of "GeGeGe no Kitarō" (as Nezumi Otoko), "Yes! PreCure 5" (as Bunbee), and more recently, ' (as ). Takagi is the official Japanese voice of Daffy Duck.