Yuusuke Kobayashi (小林裕介) is a Japanese voice actor born on March 25, 1985, in Tokyo, Japan. Best known for his work in anime, he has built a career playing energetic leads and emotionally layered supporting characters, with performances that combine clear diction, intensity, and strong timing.
He is widely recognized for Subaru Natsuki in Re:Zero − Starting Life in Another World, Senku Ishigami in Dr. Stone, and Yūma Isogai in Assassination Classroom. These roles helped establish Kobayashi as a versatile seiyuu who can handle comedy, drama, action, and character-driven storytelling across major modern anime series. His voice work is often praised for making characters feel human even in high-concept or fantastical settings, which has kept him relevant for both long-time anime viewers and newer fans discovering his work through franchise leads.
More recently, he returned to the theatrical anime adaptation of Witch on the Holy Night, continuing his involvement from the original game, and he also took part in Re:Zero 10th anniversary activities in 2026. That year, his performance as Subaru drew renewed attention, including praise for the intensity of his acting in the series' 75th episode. Together, these credits show why Kobayashi remains closely associated with some of the most recognizable contemporary anime titles.
