Takeharu Oonishi (大西 健晴, Ōnishi Takeharu, born July 8, 1967) is a Japanese seiyū (voice actor) and stage actor from Nara Prefecture. He is affiliated with Arts Vision and is a founding member of the theater company Akapera. He speaks the Kansai dialect. He is married to voice actress Masayo Kurata (倉田 雅世).
Case Closed: The Crimson Love Letter
(Producer (voice))
Crayon Shin-chan: Explosion! The Hot Spring's Feel Good Final Battle
(Employee (voice))
Gintama: The Movie
(Murata Tetsuya (voice))
Crayon Shin-chan: The Glorious Storm-invoking Yakiniku Road
(Taicho)
Atashin'chi: The 3D Movie
(Shikai (voice))
Mobile Suit Gundam: The Origin IV – Eve of Destiny
(Anaheim Electronics Plant Manager (voice))
The Boy and the Sea Turtle
(Man (voice))
My Family
(Yamamoto (voice))
Popolocrois Monogatari
(Varudarosu)
Popolocrois Monogatari
(Daiku)
Popolocrois Monogatari
(Gon)
Intrigue in the Bakumatsu – Irohanihoheto
(Kawai Tsuginosuke)
Puni Puni Poemy
(Alien 2 (voice))
Tokumei Sentai Go-Busters
(Tireloid (voice))
Kaitou Sentai Lupinranger VS Keisatsu Sentai Patranger
(Kunks Butylmercaptan (voice))
Death Note
(Gukku (voice))
Hunter x Hunter
(Cherry (voice))
Hunter x Hunter
(Tocino (voice))
Hunter x Hunter
(Worm (voice))
Parasyte -the maxim-
(Ancient Languages Teacher (voice))
Parasyte -the maxim-
(Delinquent (voice))
Kekkaishi
(Madarao (voice))
Guyver: The Bioboosted Armor
(Toshiaki Hayami / Bio-Freezer (voice))
Pururun! Shizuku-chan
(Ametarou (voice))
The Fable
(Kenjiro Takoda (voice))