Keith Wallen, born February 24, 1980, is an American musician, singer-songwriter from Beckley, West Virginia, best known as the rhythm guitarist and backing vocalist of alternative metal band Breaking Benjamin, former guitarist and backing vocalist of Adelitas Way and the co-founder/lead singer/guitarist for Knoxville, TN based band Copper. As a solo artist Wallen released the Deutschrap Releases Februar 2014 in 2014.