Ryōtarō Okiayu (置鮎 龍太郎 Okiayu Ryōtarō, born November 17, 1969) is a Japanese voice actor and singer from Kitakyushu, Fukuoka Prefecture. He is married to fellow voice actor Ai Maeda. He is best known for voicing Byakuya Kuchiki in Bleach, Hisashi Mitsui in Slam Dunk, Treize Khushrenada in Mobile Suit Gundam Wing, Nūbē in Hell Teacher Nūbē, Kenimitsu Tezuka in The Prince of Tennis, Yuu Matsuura in Marmalade Boy, Shigure Sōma in Fruits Basket, Dark in D.N.Angel and Toriko in the anime of the same name.
He is currently affiliated with Aoni Production.
Dub Actors
Select Filmography
| Year | Character | Title | Dub Voice | Dub Country |
|---|---|---|---|---|
| 1991-1993 | Vice-President (ep. 3) | Here is Greenwood | Michael J. Haigney | United States |
| Dave Mallow | United States | |||
| Masato Ikeda (ep. 6) | James Carter Cathcart | United States | ||
| Sam Riegel | United States | |||
| 1992-1993 | Yuji Kimura (ep. 2) | Sailor Moon | Lucien Dodge | United States |
| 1995-1996 | Achiral (ep. 81) | Sailor Moon R | ¿? | Canada |
| Kyle Hebert | United States | |||
| 1994-1995 | Inouva | Magic Knight Rayearth | Terrence Stone | United States |
| 1994-1995 | Yuu Matsuura | Marmalade Boy | Michael Lindsay | United States |
| 1994-1995 | George (ep. 108) | Sailor Moon S | ¿? | Canada |
| Michael Sinterniklaas | United States | |||
| 1995-1996 | Treize Khushrenada | Mobile Suit Gundam Wing | David Kaye | Canada |
| 1995-1996 | Tiger's Eye | Sailor Moon SuperS | Jason Barr | Canada |
| John Eric Bentley | United States | |||
| 1995-1996 | John (ep. 14) | Saint Tail | David Millbern | United States |
| 1996 | Yuji Naruo | Burn-Up W | Jason C. Lee | United States |
| 1996-1997 | Nagare Akatsuki | Martian Successor Nadesico | Jay Hickman | United States |
| 1996 | Proto Man | Mega Man 8 | Matthew Meersbergen | Tokyo, Japan |
| 1997-1998 | Yuji Naruo | Burn-Up Excess | Jason C. Lee | United States |
| 1997 | Zero | Mega Man X4 | Wayne Doster | Tokyo, Japan |
| 1997-1998 | Shiro Amakusa Tokisada | Ninja Resurrection | Martin Burke | United States |
| 1997-2002 | Hibiki (ep. 169) | Pokémon | Scottie Ray | United States |
| 1997-1998 | Garline (eps. 13-14) | Vampire Princess Miyu | Roger Rose | United States |
| 1998 | Nagare Akatsuki | Martian Successor Nadesico: The Motion Picture – Prince of Darkness | Jay Hickman | United States |
| 1998-1999 | Hartia | Sorcerous Stabber Orphen | Randy Sparks | United States |
| 1999 | Cyrus (ep. 8) | Angel Links | Dave Kelly | Canada |
| 1999-2000 | Toru Watanabe | Excel Saga | Jay Hickman | United States |
| Gomez | Mike MacRae | |||
| Bartender (ep. 9) | Andy McAvin | |||
| Effeminate Director (ep. 9) | Brett Weaver | |||
| Student #1 (ep. 11) | Greg Stanley | |||
| Sportscaster (ep. 16) | John Swasey | |||
| Dominick (ep. 23) | Rick Peeples | |||
| 1999 | Koinosuke Odago | Jubei-chan: The Ninja Girl | Jim Ripley | Canada |
| 1999- present |
Kaku | One Piece | Alex Organ | United States |
| 1999-2000 | Hartia | Sorcerous Stabber Orphen: Revenge | Randy Sparks | United States |
| 2000-2001 | Keyne Tokioka (ep. 3) | éX-Driver | Lex Lang | United States |
| 2000-2001 | Claude "K" Winchester | Gravitation | Brian Maillard | United States |
| 2000 | Kentarō Sakata | Love Hina | Steve Cassling | United States |
| 2001-2002 | Mamado (eps. 14-15) | Cyborg 009 | David Rasner | United States |
| 2001 | Shigure Sohma | Fruits Basket | John Burgmeier | United States |
| 2001-2005 | Kunimitsu Tezuka | The Prince of Tennis | Kirk Thornton | United States |
| Goki Domoto | ¿? | |||
| 2002-2003 | LordKnightmon | Digimon Frontier | Melodee Spevack | United States |
| 2002 | Keyne Tokioka | ÉX-Driver The Movie | Lex Lang | United States |
| 2002-2007 | Aoi Rokusho | Naruto | Cam Clarke | United States |
| 2002-2003 | Andrew Waltfield | Mobile Suit Gundam SEED | Brian Drummond | Canada |
| 2002-2004 | Kevin Mask | Ultimate Muscle | Ted Lewis | United States |
| Puripuriman | Dan Green | |||
| 2003 | Dark Mousy | D.N.Angel | Vic Mignogna | United States |
| 2003-2004 | Scar | Fullmetal Alchemist | Dameon Clarke | United States |
| 2003 | Zero | Rockman X7 | Jack Merluzzi | Tokyo, Japan |
| 2003-2006 | Vincent Bari | Zatch Bell! | Wally Wingert | United States |
| Mr. Takamine | Phil Hayes | |||
| 2004-2012 | Byakuya Kuchiki | Bleach | Daniel Woren | United States |
| Ryusaburo Enkogawa | Neil Kaplan | |||
| 2004 | Scar | Fullmetal Alchemist 2: Curse of the Crimson Elixir | Dameon Clarke | United States |
| 2004 | Chutaro (ep. 22) | Pretty Cure | Roger Rhodes | Canada |
| 2004-2005 | Rodimus Convoy | Transformers: Energon | Paul Dobson | Canada |
| Brian Dobson (ep. 16) | ||||
| 2005 | Rothschild | Musashi: Samurai Legend | Michael Rhys | Tokyo, Japan |
| 2006-2008 | Reever Wenhamm | D.Gray-man | Chuck Huber | United States |
| 2006 | Setzer | Kingdom Hearts II | Crispin Freeman | United States |
| 2007-2008 | Akio Furukawa | Clannad | Andrew Love | United States |
| 2007-2009 | Bring Stabity | Mobile Suit Gundam 00 | Brian Dobson | Canada |
| Brian Drummond (ep. 39) | ||||
| Devine Nova | Brian Dobson | |||
| 2009 | Siegfried | The Sacred Blacksmith | J. Michael Tatum | United States |
| 2010-2012 | Grademon | Digimon Fusion | Christopher Corey Smith | United States |
| 2010 | Terra | Kingdom Hearts: Birth by Sleep | Jason Dohring | United States |
| 2011-2012 | Berserker | Fate/Zero | Kyle Hebert | United States |
| 2011-2014 | Toriko | Toriko | Ian Sinclair | United States |
| 2014 | Toyotomi Hideyoshi | Sengoku Basara: End of Judgement | Christopher Sabat | United States |
| 2014- present |
Helbram | The Seven Deadly Sins | Kyle McCarley (Disguised) |
United States |
| Richard Epcar (Real form) | ||||
| 2015-2018 | Dr. Mashirito (ep. 69) | Dragon Ball Super | Barry Yandell | United States |
| 2017-2021 | Heath Grice | Black Clover | Marcus D. Stimac | United States |
| 2017 | Vlad III/Lancer of Black | Fate/Apocrypha | Ray Chase | United States |
| 2017-2019 | MC | Kakegurui | Jon Allen | United States |
| John Gremillion | United States | |||
| 2018 | Zahha | Dragon Ball Legends | Joel McDonald | United States |
| 2018 | Sima Yi | Dynasty Warriors 9 | D. Padraic | United States |
| Sima Shi | ||||
| 2019 | Mansaku Tsunomata | 7SEEDS | Jay Hickman | United States |
| 2019 | Satsuma Kadonoōji | ACTORS: Songs Connection | Josh Bangle | United States |
| 2019 | JT (ep. 8) | Cannon Busters | Dave Burchell | United States |
| 2019 | Terra | Kingdom Hearts III | Jason Dohring | United States |
| 2019 | Kizaru | One Piece: Stampede | Ray Hurd | United States |
| 2021 | Prof. Kagami | New Pokémon Snap | Ben Lepley | United States |
