Tré Cool is an American musician best known as the drummer for the punk rock band Green Day. Born on December 9, 1972, in Frankfurt, Germany, he joined the band in 1990, contributing to their rise in popularity during the 1990s and 2000s. His energetic drumming style and creative rhythms have played a significant role in the band's sound. In addition to his work with Green Day, Tré Cool has been involved in various side projects and collaborations. He has also contributed to the production of some of the band's albums, showcasing his versatility as a musician beyond just drumming.