Answer
In the "Persona" video game series, Kappei Yamaguchi has provided his voice acting talents for several characters. His notable roles include Teddie in "Persona 4," a lovable and mischievous bear-like creature who aids the protagonist and his friends in their supernatural adventures. Yamaguchi's energetic and versatile voice acting brings depth and personality to the character, making Teddie a fan favorite among "Persona" players.