Koichi Yamadera is a Japanese voice actor and radio personality, known for voicing Jim Carrey and Eddie Murphy in the Japanese language releases of their respective films. In 2006, he divorced voice actress Mika Kanai. His most notable characters are Spike Spiegel from Cowboy Bebop (1998) and the subsequent follow up film Cowboy Bebop: The Movie (2001), Beerus from the longstanding Dragonball franchise, and the modern day voice of Inspector Zenigata of the longstanding Lupin the Third franchise after the retirement of the previous voice actor Gorō Naya and first appearing in the role in Lupin the Third: Blood Seal of the Eternal Mermaid (2011)