Shigeru Ushiyama is a Japanese actor specializing in voice work, affiliated with the Gekidan Subaru theater company, credited among the cast connected to One Piece though his specific character is undocumented.
Ushiyama's connection to One Piece appears in his voice acting record, though the character he portrays in the series has not been confirmed in publicly available sources. His work here sits alongside a long career built primarily around stage and voice performance in Japan.
Active since 1977, Ushiyama has built his career through the Gekidan Subaru theater troupe and is married to voice actress Keiko Aizawa, though detailed records of his individual anime credits beyond this One Piece connection are not widely documented.

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Shigeru Ushiyama is married to voice actress Keiko Aizawa, a fellow performer in the Japanese entertainment industry.
Ushiyama has built his career through the Gekidan Subaru theater troupe, working primarily in stage and voice performance in Japan.
Ushiyama has been active since 1977, building a long career centered on stage and voice work in Japan.
Ushiyama's connection to One Piece appears in his voice acting record, though the character he portrays in the series has not been confirmed in publicly available sources.
Shigeru Ushiyama was born in 1952 in Japan, roughly a quarter-century before the earliest record of his professional activity. His birth year situates him among a generation of Japanese performers whose stage and broadcast careers often extended across many decades.
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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