Takeharu Oonishi

Takeharu Oonishi

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).

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Known For

My Family

My Family

2002 • as Yamamoto (voice)

Hunter x Hunter

Hunter x Hunter

2011 • as Cherry (voice)

Hunter x Hunter

Hunter x Hunter

2011 • as Tocino (voice)

Hunter x Hunter

Hunter x Hunter

2011 • as Worm (voice)

Death Note

Death Note

2006 • as Gukku (voice)

Parasyte -the maxim-

Parasyte -the maxim-

2014 • as Ancient Languages Teacher (voice)

Filmography

2025

YAIBA: Samurai Legend
YAIBA: Samurai Legend
as Gerozaemon Geroda (voice)
TV - Released: 4/5/2025

2024

The Fable
The Fable
as Kenjiro Takoda (voice)
TV - Released: 4/7/2024

2018

Kaitou Sentai Lupinranger vs. Keisatsu Sentai Patranger
Kaitou Sentai Lupinranger vs. Keisatsu Sentai Patranger
as Kunks Butylmercaptan (voice)
TV - Released: 2/11/2018

2017

Case Closed: The Crimson Love Letter
Case Closed: The Crimson Love Letter
as Producer (voice)
Movie - Released: 4/15/2017

2016

Mobile Suit Gundam: The Origin IV – Eve of Destiny
Mobile Suit Gundam: The Origin IV – Eve of Destiny
as Anaheim Electronics Plant Manager (voice)
Movie - Released: 11/19/2016

2014

Parasyte -the maxim-
Parasyte -the maxim-
as Ancient Languages Teacher (voice)
TV - Released: 10/9/2014
Parasyte -the maxim-
Parasyte -the maxim-
as Delinquent (voice)
TV - Released: 10/9/2014

2012

Tokumei Sentai Go-Busters
Tokumei Sentai Go-Busters
as Tireloid (voice)
TV - Released: 2/26/2012

2011

Hunter x Hunter
Hunter x Hunter
as Cherry (voice)
TV - Released: 10/2/2011
Hunter x Hunter
Hunter x Hunter
as Tocino (voice)
TV - Released: 10/2/2011
Hunter x Hunter
Hunter x Hunter
as Worm (voice)
TV - Released: 10/2/2011

2010

Gintama: The Movie
Gintama: The Movie
as Murata Tetsuya (voice)
Movie - Released: 4/24/2010
Atashin'chi: The 3D Movie
Atashin'chi: The 3D Movie
as Shikai (voice)
Movie - Released: 11/13/2010

2006

Intrigue in the Bakumatsu – Irohanihoheto
Intrigue in the Bakumatsu – Irohanihoheto
as Kawai Tsuginosuke
TV - Released: 10/6/2006
Death Note
Death Note
as Gukku (voice)
TV - Released: 10/4/2006
Kekkaishi
Kekkaishi
as Madarao (voice)
TV - Released: 10/16/2006
Pururun! Shizuku-chan
Pururun! Shizuku-chan
as Ametarou (voice)
TV - Released: 10/7/2006

2005

Guyver: The Bioboosted Armor
Guyver: The Bioboosted Armor
as Toshiaki Hayami / Bio-Freezer (voice)
TV - Released: 8/6/2005

2003

Crayon Shin-chan: The Glorious Storm-invoking Yakiniku Road
Crayon Shin-chan: The Glorious Storm-invoking Yakiniku Road
as Taicho
Movie - Released: 4/19/2003

2002

The Boy and the Sea Turtle
The Boy and the Sea Turtle
as Man (voice)
Movie - Released: 8/15/2002
My Family
My Family
as Yamamoto (voice)
TV - Released: 4/19/2002

2001

Puni Puni Poemy
Puni Puni Poemy
as Alien 2 (voice)
TV - Released: 3/7/2001

1999

Crayon Shin-chan: Explosion! The Hot Spring's Feel Good Final Battle
Crayon Shin-chan: Explosion! The Hot Spring's Feel Good Final Battle
as Employee (voice)
Movie - Released: 4/17/1999

1998

Popolocrois Monogatari
Popolocrois Monogatari
as Gon
TV - Released: 10/4/1998
Popolocrois Monogatari
Popolocrois Monogatari
as Varudarosu
TV - Released: 10/4/1998
Popolocrois Monogatari
Popolocrois Monogatari
as Daiku
TV - Released: 10/4/1998