Shinya Takahashi is a Japanese voice actor, narrator, and moderator born on December 5, 1978, in the Yamagata Prefecture of Japan. He began his career in the year 2000 and was formerly affiliated with the talent agency Pro·fit. He is currently represented by the agency Raccoon Dog. His early work included minor roles in prominent series such as Bleach and later, a more significant part as饭纲纪之 in Ga-Rei -Zero-.

Takahashi is a prolific supporting actor who has built a career by voicing a wide array of characters across numerous anime television series, films, and video games. His roles are often those of side characters, townspeople, announcers, or unique monster characters, demonstrating a high degree of versatility. He is frequently credited in ensemble casts for a given season, contributing to the depth of the shows' worlds.

The roles listed in the query are verified by various sources. He voiced Germana in the short-form comedy series Chikasugi Idol Akae-chan. In the sports anime Backflip!!, he played the role of Yoshitaka Futaba. For the fantasy comedy Sleepy Princess in the Demon Castle, he was the voice of the Goblin Serf. In the historical epic Vinland Saga, he voiced the Viking warrior Atli. His role in Magical Girl Spec-Ops Asuka is that of Yoshino. His film work includes voicing Rocketman in Kaitō Queen wa Circus ga Osuki and the Snow Monster in Eiga Tropical-Rouge! Precure: Yuki no Princess to Kiseki no Yubiwa!. In Magatsu Wahrheit -Zuerst-, he played Lotus. He also voiced Teppei Yumoto in The Millionaire Detective - Balance: UNLIMITED and Umekichi Kadomori in Malevolent Spirits: Mononogatari. In the Assassination Classroom franchise, he provided the voice for Koki Mimura in both Koro Sensei Quest! and the film Assassination Classroom the Movie: 365 Days' Time.

Beyond these credits, Takahashi has an extensive filmography that includes roles in major franchises. He has had parts in the Fate/stay night [Heaven's Feel] film trilogy, the Sword Art Online movie series, and the globally popular Demon Slayer: Kimetsu no Yaiba. His television work in the 2020s alone spans dozens of series, including Chainsaw Man, SPY x FAMILY, Jujutsu Kaisen, Ranking of Kings, and Urusei Yatsura (2022). A notable aspect of his career is his work as a narrator, such as in the series Chio's School Road and The Yuzuki Family's Four Sons.

In April 2015, during a launch event for the Assassination Classroom anime, Takahashi publicly announced his marriage.