Unshō Ishizuka was a Japanese actor and voice actor from Fukui Prefecture recognized as the Japanese voice of Kizaru in the Toei Animation series One Piece, alongside a long career voicing memorable roles across anime and games until his death in 2018.
Ishizuka provided the Japanese voice of Kizaru, one of the three Admirals of the Marines, within the One Piece anime. The role suited his deep, commanding voice, a quality that also led to him being cast as older, authoritative characters throughout his career.
Affiliated with Aoni Production, Ishizuka voiced Jet Black in Cowboy Bebop, Van Hohenheim in Fullmetal Alchemist: Brotherhood, and the Pokémon anime's narrator and Professor Oak, and he took over the Japanese voice of Mr. Satan in Dragon Ball following Daisuke Gōri's death. He died on August 13, 2018 at age 67 from complications of a colon infection tied to an esophageal tumor.

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Ishizuka is best known as the Japanese voice of Kizaru, one of the three Admirals of the Marines in One Piece. His deep, commanding voice made him a natural fit for authoritative characters throughout his career.
Beyond Kizaru, Ishizuka voiced Jet Black in Cowboy Bebop and Van Hohenheim in Fullmetal Alchemist: Brotherhood. These roles stand alongside Kizaru as some of his most recognized outside One Piece.
Unshō Ishizuka died on August 13, 2018, at age 67, from complications of a colon infection tied to an esophageal tumor. He had been affiliated with Aoni Production and worked in anime since 1984.
Ishizuka took over the Japanese voice of Mr. Satan in Dragon Ball following the death of original voice actor Daisuke Gōri. The role added to his long list of authoritative and character parts across major anime franchises.
In the Pokémon anime, Ishizuka served as the series narrator and also voiced Professor Oak. Both were long-running roles that ran alongside his work on One Piece and other franchises.
This content is original writing by Daddy Jim Headquarters based on the One Piece anime series, manga, and official materials. Episode and chapter references are cited where applicable.
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