Kouichi Yamadera
| Profile | |
 | Birthdate: June 17 1961 Birthplace: Miyagi Height: - Weight: - Featured seiyuu: yes |
| Anime | Role |
| Bakumatsu Kikansetsu Irohanihoheto | Ryouma Sakamoto |
| BubbleGum Crisis | Falgo |
| Cowboy Bebop | Spike Spiegel |
| Cowboy Bebop Movie | Spike Spiegel |
| Evangelion | Ryouji Kaji |
| Galaxy Angel | Captain Harry (Season 3 Episode 39) |
| Geobreeders | Irie |
| Ghost in the Shell | Togusa |
| Ghost in the Shell TV | Togusa |
| Ghost in the Shell TV | Baby Ruth (Episode 9) |
| Harlock Saga | Captain Harlock |
| Harlock Saga | Tochiro |
| Honey and Clover | Lohmeyer (Episode L) |
| Kiki's Delivery Service | Policeman |
| Kiki's Delivery Service | Osono's Husband |
| Mermaid's Forest | Yuta |
| Millenium Actress | Man of the Key |
| Nadesico: Prince of Darkness | Hokushin |
| Nadia | Ayerton (Episode 3 only) |
| Ninja Scroll | Juubei Kibagami |
| Phantom Quest Corp. | Kouzou Karino |
| Photon | Papacharino Nanadan |
| Ranma 1/2 | Ryoga Hibiki |
| Samurai Champloo | Nagamitsu (Episode 8) |
| Shamanic Princess | Kagetsu |
| Shinesman | Shogo Yamadera |
| Vampire Hunter D: Bloodlust | Meier |
| X the Movie | Sorata Arisugawa |
| Xenosaga The Animation | Albedo |
| Xenosaga The Animation | Gaignun |
@ Ryu 2004 - 2007