Ryotaro Okiayu (置鮎 龍太郎 Okiayu Ryōtarō) is a Japanese voice actor who is represented by Aoni Production.


Other roles

  • Mobile Suit Gundam Wing - Voice of Treize Khushrenada
  • Mobile Suit Gundam SEED - Voice of Andrew Waltfeld
  • Mobile Suit Gundam 00 - Voices of Devine Nova, Bring Stabity and Gaga Forces
  • Mega Man - Voice of Proto Man
  • Mega Man X - Voice of Zero
  • Digimon Frontier - Voice of Crusadermon
  • Digimon Xros Wars - Voice of Grademon
  • Sailor Moon R - Voice of Achiral
  • Sailor Moon S - Voice of George
  • Sailor Moon SuperS - Voice of Tiger’s Eye
  • Slam Dunk - Voice of Hisashi Mitsui
  • Hell Teacher Nūbē - Voice of Meisuke Nueno
  • The Prince of Tennis - Voice of Kunimitsu Tezuka
  • Bleach - Voice of Byakuya Kuchiki and Rusaburō Enkōgawa
  • Blood Blockade Battlefront - Voice of Tonio
  • Blue Exorcist - Voice of Igor Neuhaus
  • Buso Renkin - Voice of Mita
  • The Seven Deadly Sins - Voice of Aldrich
  • Sorcerous Stabber Orphen - Voice of Hartia/Black Tiger
  • Marmalade Boy - Voice of Yuu Matsuura
  • Flame of Recca - Voice of Kurei Mori
  • Fruits Basket - Voice of Shigure Sohma
  • Fullmetal Alchemist - Voice of Scar
  • D.N. Angel - Voice of Dark
  • Naruto - Voice of Aoi Rokusho
  • One Piece - Voice of Kaku and Second Voice of Borsalino
  • Toriko - Voice of Toriko
  • Magi: The Labyrinth of Magic - Voice of Fatima
  • Machine Robo Rescue - Voices of Fire Robo and BL Fire Robo
  • Fate/Grand Order - Voices of Gaius Julius Caesar, Romulus, Phantom of the Opera, Lancelot and Vlad III
  • Yu-Gi-Oh! (1998 version) - Voice of Hiroto Honda


  • Alongside four other Aoni Production voice actors (Hideo Ishikawa, Hikaru Midorikawa, Nobutoshi Canna and Daisuke Sakaguchi), Ryotaro was part of the voice acting unit EMU (Entertainment Music Unit) that was active from 1995 to 2000.


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