Kōzō Shioya

Kōzō Shioya is a Japanese voice actor known as the Japanese voice of Majin Buu. Veteran voice actor remembered for his distinctive work as Majin Buu across Dragon Ball Z, GT, and Super. His vocal range brought both childlike innocence and destructive terror to one of the franchise's most complex antagonists.

Kōzō Shioya voiced the entire spectrum of Majin Buu's forms and personalities, from the innocent and playful Kid Buu to the malevolent Evil Buu and the majestically powerful Super Buu. His work spanned Dragon Ball Z, Dragon Ball GT, and Dragon Ball Super, establishing Buu as a vocal chameleon whose childlike pitch could suddenly shift to pure menace. Whether Buu was giggling at destruction or expressing genuine hurt at Vegeta's words, Shioya's performance made the alien entity feel disturbingly alive and psychologically complex.

Kōzō Shioya is a Japanese voice actor. Their Dragon Ball work appears in the Japanese original production.

Kōzō Shioya has been active in Dragon Ball voice work during the 1980s-2020s period. Their performances span the productions released across those years.

Shioya boasted a remarkably extensive résumé spanning from the 1980s through the 2020s, with credits in One Piece, Digimon, Detective Conan, and countless other productions. His versatility allowed him to shift between supporting roles in obscure series and major character voices in flagship franchises. He passed away in January 2026, leaving behind decades of vocal performances that shaped multiple generations of anime.