Junior Marvin (born Donald Hanson Marvin Kerr Richards Jr) also known as Junior Marvin-Hanson, Junior Hanson and Junior Kerr. He is a Jamaican born guitarist and singer and is best known for his association with Bob Marley and The Wailers. He started his career as Junior Marvin with the band Hanson in 1973. Marvin has also been associated with Gass, Keef Hartley Band, Toots & the Maytals and Steve Winwood. In 2007, Marvin embarked on a solo album entitled Wailin' For Love. In 2009, Marvin along with Al Anderson formed The Original Wailers.

He formed his own band Hanson also known as Junior Marvin's Hanson in 1973 and recorded two albums. Marvin met Bob Marley on February 14, 1977 and joined Bob Marley and The Wailers Band. After Bob Marley's death Marvin carried on releasing material under the name The Wailers Band releasing the albums ID, Majestic Warriors, Jah Message, and Live 95-97 My Friends. In 1997 Marvin left The Wailers Band and relocated to Brazil, where he formed a short-lived group called Batuka. Following his return to Jamaica he continued working as a session player. More recently Marvin has toured with Kaliroots and The Wailers Band. He has been touring with The Original Wailers since 2009.