Sam Roy Hagar (born October 13, 1947), also known as the Red Rocker, is an American singer, songwriter, and guitarist. In the early 1970s he was a member of the hard rock band Montrose before launching a solo career, scoring a hit in 1984 with "I Can't Drive 55". He replaced David Lee Roth as the second lead vocalist of Van Halen in 1985, but left in 1996. He returned to the band from 2003 to 2005. In 2007, Hagar was inducted into the Rock and Roll Hall of Fame as a member of Van Halen.