Guan Yu Yunchang, also known simply as Guan Yu, is a pivotal character in the anime series Sangokushi, which is based on the historical events of the Three Kingdoms period in China. Guan Yu is renowned for his exceptional martial prowess, unwavering loyalty, and strong sense of justice. As one of the Five Tiger Generals, he serves under Liu Bei and plays a crucial role in the establishment of the Shu Han kingdom. His legendary status and virtuous character make him a symbol of brotherhood and righteousness in the series.