Donald Roeser

Donald Bruce Roeser, known professionally as Buck Dharma, is an American guitarist, singer, and songwriter. He is the sole constant member of hard rock band Blue Öyster Cult since the group’s formation in 1967. He wrote and sang vocals on several of the band’s best-known hits, including “(Don’t Fear) The Reaper”, “Godzilla” and “Burnin’ for You”.

Biography summary from English Wikipedia, photograph via Wikimedia Commons.