Kōichi Yamadera

Kōichi Yamadera (山寺 宏一 Yamadera Kōichi, born June 17, 1961) is a Japanese voice actor, actor, tarento, narrator, master of ceremonies and impressionist from Shiogama, Miyagi Prefecture. He graduated from Tohoku Gakuin University's economics school, and is currently affiliated with Across Entertainment. Before that, he was affiliated with the Tokyo Actor's Consumer's Cooperative Society.

His nickname is Yama-chan (山ちゃん Yama-chan). As a radio personality, he is known as Bazooka Yamadera (バズーカ山寺 Bazūka Yamadera) among other things. He is best known for his roles in Ninja Scroll (as Jūbei Kibagami), Aladdin: Japanese Version (as The Genie), Cowboy Bebop (as Spike Spiegel) and (Ein), Ghost in the Shell (as Togusa), Neon Genesis Evangelion (as Ryōji Kaji), ''Soreike! Anpanman (as Cheese), Ranma ½'' (as Ryōga Hibiki/P-chan and the Jusenkyō Guide). He is known for voicing Jim Carrey and Eddie Murphy in the Japanese language releases of their respective films.

A selection of other characters voiced by Koichi Yamadera

 * Bubblegum Crisis (OVA) as Fargo


 * Cowboy Bebop as Spike Spiegel


 * Donkey Kong Country as Donkey Kong (only on the Japanese Dub)
 * Danganronpa V3: Killing Harmony - Monotaro, Monophanie, Monodam, Monosuke, Monokid.


 * Ghost in the Shell (movie & TV series) as Togusa


 * Guy, Double Target as Guy


 * Lupin III: Crisis in Tokyo as Michael Suzuki
 * Mario Kart Arcade GP 2 - Color Commentator


 * Mermaid Forest and Mermaid's Scar as Yuta


 * Mickey Mouse franchise as Donald Duck (only on the Japanese Dub)


 * Milennium Actress as Key Man


 * Ninja Scroll (movie) as Jubei Kibagami


 * Paprika (movie) as Doctor Morio Osanai


 * Pokémon as Mew


 * Ranma 1/2 as Ryouga Hibiki/P-chan and Jusenkyo Guide


 * Stitch! (Japanese/Madhouse Version) as Stitch


 * Yakuza (video game series) as Shun Akiyama

and many more...