Cozy Powell, born Colin Trevor Powell (1947-1998), was an influential British rock drummer known for his powerful, precise playing style. He played with several notable bands during the 1970s and 1980s, including Rainbow, Whitesnake, and Black Sabbath, contributing to their characteristic hard rock and heavy metal sounds. Powell's solo work, particularly his hit instrumental "Dance with the Devil," showcased his technical prowess and made significant impact on the drumming world. His work is considered crucial to the development of heavy metal drumming.