David Wayne McClain is an American drummer. He is best known as the former drummer for the heavy metal band Machine Head. He joined the band in 1995 and left the band in 2018 after 23 years in the band. He replaced Chris Kontos when the latter left shortly after their first album, Burn My Eyes. He was formerly a member of S.A. Slayer, Riot offshoot Narita, Turbin, Catalepsy, Murdercar, Ministers of Anger . He rejoined Sacred Reich in 2018, which he had already played for from 1991 to 1995. He announced his departure in October 2025.