Yasuo Saitō (September 24, 1976 – October 5, 2013), also known by the stage name Yakkun Sakurazuka (桜塚 やっくん Sakurazuka Yakkun), was a Japanese comedian, singer, and voice actor. Saitō died after being involved in a traffic accident on October 5, 2013, aged 37, on the Chugoku Expressway in Mine, Yamaguchi, while en route to a concert in Kumamoto Prefecture. He was hit by another car and killed when exiting his car after a slight collision.