Katsumi Suzuki, a Japanese voice actor with 81 Produce, is recognized for succeeding Ginzo Matsuo as the grandfather of Kagome on Inuyasha and for lending his voice to Diddy Kong in Nintendo titles from 2004 onward, although no specific character credit ties him to One Piece in the records reviewed.
Suzuki's individual character within One Piece is not confirmed in accessible cast documentation. His name appears among the franchise's broader voice roster, set against a four-decade run of supporting and character parts across Japanese TV animation.
Representing 81 Produce since the early 1980s, Suzuki stepped into the role of Kagome's grandfather on Inuyasha following Ginzo Matsuo's passing, and starting with Mario Power Tennis in 2004 he became the recurring Japanese-language performer behind Diddy Kong across numerous Nintendo releases.

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Suzuki's individual character within One Piece is not confirmed in accessible cast documentation, though his name appears among the franchise's broader voice roster. It sits within a four-decade run of supporting and character parts across Japanese TV animation.
Suzuki plays Kagome's grandfather on Inuyasha, a role he stepped into following the passing of the character's previous voice actor, Ginzo Matsuo.
Suzuki has voiced Diddy Kong across numerous Nintendo releases, a role he took on starting with Mario Power Tennis in 2004.
Suzuki has been represented by the talent agency 81 Produce since the early 1980s, a professional relationship that has spanned his entire four-decade career as a Japanese voice actor. That representation began around the same time he entered the industry in 1982.
Katsumi Suzuki was born in 1956 and has worked as a voice actor since 1982.
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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