Stanislav Todorov Trifonov (Bulgarian: Станислав Тодоров Трифонов) (born 18 October 1966), known as Slavi Trifonov (Bulgarian: Слави Трифонов), is a Bulgarian showman, actor, singer, and viola player, born in Pleven (Bulgarian: Плевен). Trifonov is mainly active in the folk music and chalga genres, but he has experimented with other genres such as pop-rock and punk as a part of Ku-ku Band (Bulgarian: Ку-Ку Бенд).