Wataru Takagi (高木 渉, Takagi Wataru?, born July 25, 1966) is a Japanese voice and stage actor from Chiba Prefecture. He is currently affiliated with Arts Vision.
He is best known for his roles in Detective Conan (as Genta Kojima and Officer Wataru Takagi), After War Gundam X (as Garrod Ran), Slayers Try (as Valgaav), the Beast Wars: Transformers series (as Cheetas), Great Teacher Onizuka (Eikichi Onizuka), Hajime no Ippo (as Masaru Aoki), Naruto (as Tobi during his funny personality), the fifth series of GeGeGe no Kitaro (as Nezumi Otoko), Yes! PreCure 5 (as Bunbee) and the Super Robot Wars series (as Senshi Roa). Takagi is the official Japanese voice of Daffy Duck.