
Isamu Tanonaka
Biography
was a Japanese voice actor from Taitō, Tokyo. He was best known for voicing Medama Oyaji in nearly every adaptation of Shigeru Mizuki's GeGeGe no Kitarō made during his lifetime. During his life he had been attached to Gekidan Tōgei and then Theatre Echo; he was attached to Aoni Production at the time of his death. He had a naturally deep voice but became famous for voicing characters with a high pitched voice. In addition to GeGeGe no Kitarō, he also had prominent roles in Tensai Bakabon (as the first voice of Honkan-san), Mazinger Z (as Mucha), Paul's Miraculous Adventure (as Doppe), Magical Princess Minky Momo (as Sindbook), Akuma-kun (as Youaltepuztli), Dr. Slump & Arale-chan (as Gara and Akira Toriyama), Dragon Quest: Dai no Daibōken (as Brass), and the Shin Megami Tensei: Persona series (as Igor).
Known For

Monster
Old Man (voice)

Dr. Slump
Gala (voice)

Tomorrow's Joe
Miss Oyama

Mazinger Z
Mucha

UFO Robot Grendizer
Mucha (voice)

Cackling Kitarou
Medama Oyaji

Chouriki Sentai Ohranger
Bara-Baby (voice)

Dragon Quest: The Adventure of Dai
Gramps Brass

Twin Princess of Wonder Planet
Omendo

Persona 4 The Golden Animation
Igor (voice)