Roy Lee Johnson is an American blues and soul songwriter and guitarist, recognized for his distinctive blend of rhythm and blues, gospel, and funk influences. Born in Georgia in 1938, Johnson began his career in the late 1950s, gaining fame through his association with Piano Red's band, Dr. Feelgood and the Interns. His most notable contribution to music is his composition, "Mr. Moonlight," which was later covered by The Beatles, asserting his influence in the rock 'n' roll genre. Johnson's gritty guitar style and soulful vocals make him a significant figure in the evolution of Southern blues and soul music.