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Ryotaro Okiayu

Acting

Born November 17, 1969 · Kitakyushu, Fukuoka, Japan

Also known as 置鮎 龍太郎 · Ryoutarou Okiayu · Ryotaroh Okiayu

Biography

Ryōtarō Okiayu is a Japanese actor, voice actor and singer affiliated with Aoni Production. His major roles include Byakuya Kuchiki in Bleach, Treize Khushrenada in Mobile Suit Gundam Wing, Hisashi Mitsui in Slam Dunk, Meisuke Nueno in Hell Teacher Nūbē, Kunimitsu Tezuka in The Prince of Tennis, Alucard in Castlevania, Zero in Mega Man X, Yuu Matsuura in Marmalade Boy, Shigure Sohma in Fruits Basket, Dark in D.N. Angel, Toriko in Toriko and Kokushibo in Demon Slayer: Kimetsu no Yaiba. As a singer, he was one of the members for Entertainment Music Unit from 1995 to 2000. He is married to voice actress Ai Maeda. His range is A~E♯ and his dialect is Osakan. His older sister is an animator. He is the official voice-over dub for Scott Foley, Taylor Kitsch, Lin Gengxin and Stephen Fung.

Source: Wikipedia · CC BY-SA

Filmography50+ titles

Dandivine

2026as Daigo Shijima (voice)

Super Robot Wars: Original Generation - Divine Wars

2006as Branstein F. Raidiese (voice)

Demon Slayer: Kimetsu no Yaiba Infinity Castle

2025as Kokushibo (voice)

One Piece

1999as Kaku (voice)

The Fragrant Flower Blooms with Dignity

2025as Keiichiro Tsumugi (voice)

Me & Roboco: The Movie

2025as Gorilla Gachi (voice)

Slam Dunk

1993as Hisashi Mitsui (voice)

Pokémon Horizons

2023as Hassaku (voice)

Toilet-bound Hanako-kun

2020as Kodama (voice)

Demon Slayer: Kimetsu no Yaiba

2019as Kokushibo (voice)

Hell Teacher: Jigoku Sensei Nube

2025as Meisuke Nueno (voice)

Asobi Asobase: Workshop of Fun

2018as Maeda (voice)

Black Clover

2017as Gadjah (voice)

Super Robot Wars Original Generation: The Animation

2005as Raidiese Fujiwara Branstein (voice)

The Misfit of Demon King Academy

2020as Ivis Necron (cat form) (voice)

The Seven Deadly Sins

2014as Love Helm (voice)

Bleach

2004as Byakuya Kuchki (voice)

The Prince of Tennis

2001as Kunimitsu Tezuka (voice)

Magic Knight Rayearth

1994as Inouva (voice)

Rurouni Kenshin

2023as Han'nya (voice)

My Happy Marriage

2023as Tadakiyo Kudo (voice)

Date A Live

2013as Isaac Ray Pelham Westcott (voice)

Clannad

2007as Akio Furukawa (voice)

I Got a Cheat Skill in Another World and Became Unrivaled in the Real World, Too

2023as Sage (voice)

ACTORS: Songs Connection

2019as Kadonooji Satsuma (voice)

Noragami

2014as Ebisu (voice)

Hyouka

2012as Masashi Tougaito (voice)

Nabari no Ou

2008as Kotarou Fuuma (voice)

Revolutionary Girl Utena

1997as Tatsuya Kazami (voice)

Saint Seiya: Soul of Gold

2015as Gemini Saga (voice)

Fate/Zero

2011as Berserker

Saint Seiya: The Hades Chapter

2002as Saga (voice)

Mirai Sentai Timeranger

2000as Computer Engineer Gate (voice)

Akane-banashi

2026as Shomei Tsubakiya (voice)

Hellsing

2001as Enrico (voice)

Mobile Suit Gundam Wing

1995as Treize Khushrenada (voice)

The Saint's Magic Power Is Omnipotent

2021as Josef Hawke (voice)

One Piece: Stampede

2019as Borsalino (voice)

One Piece: Stampede

2019as Borsalino (voice)

How NOT to Summon a Demon Lord

2018as Emile Bichelberger (voice)

Gakuen Basara: Samurai High School

2018as Toyotomi Hideyoshi (voice)

The Irregular at Magic High School

2014as Kokonoe Yakumo (voice)

Excel Saga

1999as Toru Watanabe (voice)

Yakuza Fiancé: Raise wa Tanin ga Ii

2024as Hishiba Akime (voice)

King's Raid: Successors of the Will

2020as Dominicus (voice)

Masamune-kun's Revenge

2017as Eiji (voice)

Martian Successor Nadesico: The Motion Picture - Prince of Darkness

1998as Nagare Akatsuki (voice)

Gekijô-ban Nintama Rantarô Dokutake Ninja-tai Saikyô no Gunshi

2024as Isaku Zenpoji (voice)

Saint Seiya: Saintia Sho

2018as Gemini Saga (voice)

Bleach the Movie: Hell Verse

2010as Byakuya Kuchiki (voice)