Onosaka Masaya roles (anime)
Masaya has done the following roles in anime.
| Aika [1997-1999] | ? |
| Angelic Layer [2001] | Mihara Ichirou |
| Bakuretsu Tenshi | IIki |
| Be-Bop High school | Katoh Hiroshi |
| Capricorn | Jill |
| Card Captor Sakura | Kerberos (big) |
| Gatchaman '94 | G-1 Ken |
| Ge Ge Ge no Kitarou | crow tengu B |
| Gun X Sword | Captain Kaiji |
| Hajime no Ippo | Sendo Takeshi |
| Hoshikuzu Paradise [1991] | Yuzuru |
| Kaitou Tenshi Twin Angel (TV) [2011] | Alexander |
| Kamikaze Kaitou Jeanne [1999-2000] {Episode 22} | Kaisei |
| Kidou Tenshi Angelic Layer [2001] | Mihara Ichirou |
| Kinnikuman II Sei | Kinniku Mantarou |
| Koume-chan ga Iku! | Nakatani |
| Magical Taruruuto-kun [1990-1992] | Ryuu Writer |
| Mahou Tsukai Tai! | Takakura Takeo |
| Maps [1987] [debut] | Karion |
| Master Mosquiton '99 {Episode 11} | Soron |
| Meitantei Conan (Detective Conan) {Episode 55} | Kobayashi |
| Millenium Actress | Ida Kyouji |
| Night Head Genesis | Futami Yoshiki |
| Nineteen [1990] | Kubota Kazushi |
| Nurse Witch Komugi-chan Majikarte | Shiro |
| Omakase Scrappers | Ten Q |
| Omakase Scrappers | Narimasu |
| One Piece [1999-] | Chuu |
| One Piece [1999-] {Episode 11-14} | Shamu |
| Pet Shop of Horror | Leon Alcott |
| Pocket Monsters {Episode 13} | Masaki |
| Risky Safety | Moe's father |
| Sailor Moon | Jadeite |
| Sailor Moon {Episode 92} | Kameda |
| Slam Dunk | Aida Hikoichi |
| Slam Dunk | Yasuda Yasuharu |
| Slam Dunk | Anda |
| The Soul Taker: Tamashiigari | Mibu Shiro |
| Spiral -Suiri no kizuna- | ? |
| Tennis no Oujisama | Momoshiro Takeshi |
| Trigun [1998] | Vash The Stampede |
| Trigun: Badlands Rumble [2010] | Vash The Stampede |
| Tsuyoshi Shikkari Shinasai | Ikawa Tsuyoshi |
| Utsunomiko | Misc. males voices |
| Wolf's Rain | Ihk |
| Youkai Ningen Vem [2006] | Kudou |