David Wayne McClain (born October 22, 1965) is an American-German drummer, born in Wiesbaden, Germany. He is best known as the former drummer for the American 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 (not to be confused with the California-based Slayer), Riot offshoot Narita, Turbin, Catalepsy, Murdercar (feat. noted producer Ross Robinson), Ministers of Anger (Dave Clemmons). Currently he has rejoined Sacred Reich in 2018, which he originally played for from 1991-1995.