Kendō Kobayashi is a Japanese entertainer whose work includes comedy, acting, and voice acting. Born Tomoharu Kobayashi on July 4, 1972, in Osaka, he is affiliated with the talent agency Yoshimoto Kogyo. He began his career after graduating from the Yoshimoto New Star Creation comedy school in Osaka in 1992. His stage name is derived from the professional wrestler Kendo Nagasaki, reflecting a long-standing interest in professional wrestling. While initially gaining prominence as a comedian and television personality, he has also built a body of work as a voice actor in anime films and television series.

Kobayashi's voice acting roles span a variety of productions. He is known for providing the voice of Bazuso in Berserk: The Golden Age Arc - Memorial Edition, Sancho in the film Dragon Quest: Your Story, and the Deputy Chief in the television anime Police in a Pod. His other notable anime film credits include roles in major franchises such as Dice in One Piece Film: Gold, where he played a gigantic card dealer and part of Gild Tesoro's crew. He also voiced Kudaragi in Yu-Gi-Oh! The Dark Side of Dimensions and Hachiro Oka in Gantz: O. In 2024, he voiced the character Wolfman in the Kinnikuman: Perfect Origin Arc television anime. His work also includes a role in the 2023 anime Me & Roboco, where he appeared as a fictionalized version of himself.

A recurring theme in Kobayashi's career is his deep personal enthusiasm for manga and anime, which often intersects with his professional work. He is known for his extensive knowledge of series like JoJo's Bizarre Adventure and Kinnikuman, and his fandom has led to his involvement in anime-related projects and events. In a notable instance of his personal fandom aligning with his professional career, he was cast as the character Ken in the third season of the Jujutsu Kaisen anime, a character created in the original manga with a physical resemblance to Kobayashi. In addition to his performance work, Kobayashi has also worked as an editor for V Jump magazine, further demonstrating his engagement with the manga industry.