Kunihiro Kawamoto is a Japanese voice actor and narrator affiliated with the talent agency 81 Produce. He was born on September 1, 1975, in Yamaguchi Prefecture, Japan. He is known for his deep baritone voice, which allows him to portray a wide range of characters, from heroic leads to comedic sidekicks and stern authority figures.

Kawamoto began his voice acting career in the early 2000s, with one of his first roles being in the television anime Alien Nine in 2001. Since his debut, he has built an extensive filmography across anime television series, original video animations (OVA), animated films, and video games. He has also become a prominent voice for dubbing foreign films and animations into Japanese.

In addition to his work in animation, Kawamoto is active as a narrator for television programs, lending his voice to various documentaries and variety shows. His narration work is noted for balancing humor and heart, making educational and variety content engaging for viewers. A stated personal hobby and specialty is traditional Japanese dance.

Kawamoto's career is marked by a high volume of roles in long-running and popular series. He has voiced characters in major franchises such as Naruto (as Omoi and Misumi Tsurugi), the Fist of the North Star franchise (as Kenshirō in various games and pachinko adaptations), Major (as Morgan), Gintama, and Natsume's Book of Friends. He is also the regular Japanese voice for several characters in foreign live-action and animated productions, including the Disney Fairies franchise (as Clank) and characters in the DC Animated Universe.

He has played the roles listed in the query, including Burk Lean in the series Back Arrow, Manpuku in Coluboccoro, the Father in Kupū~!! Mamegoma!, Nameko-senpai in Nameko: Sekai no Tomodachi, Tōji Kunugi in Loups=Garous - The Motion Picture, Starscream in Transformers: Robot Masters, and Kenshirō in the Fist of the North Star: Legend of Heroes OVA.