Kōtarō is a common Japanese name that can refer to various characters in anime, manga, and literature. It is often associated with young boys and can symbolize innocence and adventure. The name is derived from the Japanese words for "big" or "great" and "taro," which is a traditional name for boys. In popular culture, characters named Kōtarō may exhibit traits such as bravery, curiosity, and a strong sense of friendship. They often embark on exciting journeys or face challenges that help them grow. Examples include Kōtarō Katsuragi from the anime Kōtarō Lives Alone and Kōtarō Nishikata from Teasing Master Takagi-san.