Yoku Shioya is a voice actor that started his career as Triton in Umi No Triton at the age of fourteen, becoming one of the few male child actors who voiced male roles usually played by females.
- Dr. Oguni Gensai in Rurouni Kenshin
- Birgit Pirjo in Mobile Suit Gundam F 91
- Buster in Transformers Super God Masterforce
- Cosmo Yuki in Space Runaway Ideon
- Hellbat in Transformers Victory
- Jinpei the Swallow in Science Ninja Team Gatchaman
- Marker in Mobile Suit Gundam (movies)
- Miles in Cowboy Bebop
- Misha in Sailor Moon
- Orvile in Mobile Suit Gundam 0083 Stardust Memory
- Triton in Umi No Triton
- Reflector, Bumblebee, and many more in the Japanese dub of The Transformers
- Siren Sorrento in Saint Seiya
- Miyagi Ryota in Slam Dunk
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