Tomoyuki Higuchi is a Japanese voice actor born on November 13, 1984, in Saitama Prefecture, Japan. He began his career in the voice acting industry in the 2000s. His early career included smaller roles in anime, gradually building a portfolio of supporting characters across various series.

Initially, Higuchi was affiliated with the talent agency Ken Production. He left the agency in September 2015 and worked as a freelancer for a period before later becoming affiliated with Limia-works.

Higuchi is known for a wide range of roles in anime, video games, and foreign language dubbing. In anime, some of his notable performances include Mitsuyoshi Misawa in My Little Monster, Yoshitaka Moriyama in Kuroko's Basketball, Nack Tierce in Attack on Titan, and Ryūki in Assassination Classroom. He also voiced the character Zhang in the Finder Series drama CDs. His filmography includes a significant number of supporting roles in popular series such as Fairy Tail, Mobile Suit Gundam AGE, and Smile PreCure!.

In the realm of video games, Higuchi is recognized for his work as Trip in the visual novel and anime adaptation Dramatical Murder. He also has a prominent role in Nintendo's major franchises, providing the voice for the Male Wii Fit Trainer in the Super Smash Bros. and Mario Kart series. His other game credits include roles in the Final Fantasy, Dragon Age, and Inazuma Eleven series.

Beyond animation and games, Higuchi's work extends to dubbing foreign films and television series. Notable dubbing roles include Mike Chang in the Japanese version of Glee and Gilmore Hodge in Captain America: The First Avenger. He has also been active in radio programs, drama CDs, and stage readings. His nickname, Hi-kun, was chosen by listeners of a radio show in which he participated. He is known to have a passion for playing the electric bass.