Ryuunosuke Yamaguchi is a Japanese voice actor known for his versatile performances in anime, film, and dubbing works. Born in Tokyo’s Shinagawa ward in 1992, he is affiliated with Atomic Monkey talent agency. Ryuunosuke comes from a family of voice actors, with his father being the renowned Kappei Yamaguchi and his younger sister Akane Yamaguchi also in the industry. He’s recognized for his passion for expressing creativity and engaging audiences of all ages, and his career includes both leading and supporting roles across a wide range of genres.
Ryuunosuke was born on June 17, 1992, in Shinagawa, Tokyo.
Growing up in a family deeply rooted in the entertainment industry, Ryuunosuke was inevitably influenced by his father, the famous voice actor Kappei Yamaguchi.
His fascination with animation and performance blossomed from childhood.
Without any specific triggering work, he simply loved entertaining people and expressing himself, which guided him towards a career in voice acting.
Ryuunosuke graduated from the Atomic Monkey / Voice Actor & Acting Research Institute as part of the 10th graduating class.
He formally joined Atomic Monkey on April 1, 2018, marking the official start of his professional journey.
He has lent his voice to a variety of characters in TV anime such as "One Piece" (as Ryuunosuke), "Hinomaruzumou," "Shadowverse F," and "Dance Dance Danseur."
His film credits include roles in "Looking for Magical Doremi," "Gintama: The Final," and "Detective Conan: The Million Dollar Pentagram."
He has also worked in web animation, voicing characters in series like "Bakugan: Armored Alliance" and "Thermae Romae Novae."
Ryuunosuke is active in dubbing foreign works, including animation such as "Tiny Toon Adventures: Looniversity" (as Buster Bunny) and "Space Jam: A New Legacy."
He’s familiar to radio listeners as well, having hosted his own show "Osaki Freak!" and participated as a regular on other programs.
Additionally, he has provided narration for Amazon Audible audiobooks and performed in stage readings.
Ryuunosuke’s father is Kappei Yamaguchi, a celebrated voice actor known for iconic roles in Japanese animation.
His younger sister, Akane Yamaguchi, is also a voice actress, following in the family tradition and creating a dynamic sibling duo in the voice acting world.
Ryuunosuke is passionate about rakugo (comic storytelling), sumo wrestling, and is a certified DJ (ranked level 2).
He dreams of voicing a main protagonist in a Weekly Shonen Jump anime, aiming to bring smiles to children through his performances.
Though rarely officially mentioned, his given name "Ryuunosuke" shares its writing with the character Ryuunosuke Fujinami from "Urusei Yatsura."
Interestingly, his sister Akane’s name matches the heroine of "Ranma ½," aligning with his father’s debut protagonist role—an amusing coincidence for fans of classic anime.
Ryuunosuke’s approachable personality has made him a favorite amongst fans and peers alike.
He actively engages in public safety campaigns, such as police anti-fraud awareness videos, and frequently participates in live readings, web radio dramas, and other multimedia projects.
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