Shin Matsushige is a Japanese voice actor and actor from Oita Prefecture, born on June 24. He is affiliated with the talent agency Remax and is also a member of the theatre group O, Peretta. His career encompasses a wide range of roles in television anime, animated films, video games, and stage productions.

Matsushige has portrayed a variety of characters across numerous anime series. One of his notable leading roles is as the titular character Gonjiro in the 2019 children's anime series Kedama no Gonjiro. He also played Takeru Muramatsu in the 2021 mecha series AMAIM Warrior at the Borderline. In the fantasy comedy The Eminence in Shadow, he voices the character Jaga Imo (credited as Po Tato in some sources). His filmography also includes the role of Gamaguchi Pocket in the 2020 series Hakushon Daimaō 2020.

Beyond these roles, Matsushige has built an extensive list of credits, often voicing supporting characters or unique creatures. He is known for his role as Mantle in the long-running anime Dr. STONE. Other appearances include roles in Undead Unluck, Cells at Work!, Golden Kamuy, One-Punch Man, and The Devil Is a Part-Timer!. His work also extends to animated films such as Sand Land and web animations like Code Geass: Rozé of the Recapture.

In addition to anime, Matsushige is active in video games, providing voices for characters in titles such as Life is Strange 2 and Romancing SaGa 2: Revenge of the Seven. His career also includes dubbing work for foreign films and live-action television appearances. Matsushige possesses several skills and certifications, including cooking, singing, dancing, scuba diving, and a Shinsengumi history certification.