David Scott Dave Mustaine is an American musician, singer, songwriter, actor and author. He is best known as the cofounder, guitarist, and lead singer of the American thrash metal band Megadeth, and well known as the original lead guitarist for the American thrash metal band Metallica.
David Mustaine was born September 13, 1961 in La Mesa, California, to Emily and John Mustaine. His father was of French and Finnish descent and his mother was Jewish. He was brought up as a Jehovahs Witness.