Jōji Yanami (八奈見 乗児, Yanami Jōji; born Shigemitsu Shirato (白土 繁満, Shirato Shigemitsu), August 30, 1931 – December 3, 2021) was a Japanese actor, voice actor and narrator who was affiliated with Aoni Production. Some of his most prominent voice roles included the narrator, Dr. Briefs, Kaiō-sama (a.k.a. King Kai or North Kaio), and Bobbidi in the Dragon Ball anime series. Other major roles included Dr. Isaac Gilmore in Cyborg 009, Gennai in Digimon, Ittan Momen in GeGeGe no Kitarō, Dr. Yumi in Mazinger Z, and numerous characters in the Time Bokan series. On September 25, 2015, Toei Animation announced that Yanami would be taking medical leave from working on the Dragon Ball Super television anime series for an indefinite amount of time, with his roles as the narrator and Kaiō-sama being taken over by Naoki Tatsuta.
Source: “Jōji Yanami”, English Wikipedia (CC BY-SA 4.0), excerpt