Frank Edwin Wright III (born December 9, 1972), better known by his stage name Tré Cool, is a German-born American musician, singer, and songwriter best known as the drummer for the punk rock band Green Day. He replaced the band's former drummer, John Kiffmeyer, in 1990 as Kiffmeyer felt that he should focus on college. Cool has also played in The Lookouts, Samiam, Dead Mermaids, Bubu and the Brood and the Green Day side projects The Network and the Foxboro Hot Tubs.