Born in Detroit, Michigan in 1972. He moved to Los Angeles, California in 1974 where his sister Terry Duval (his only sibling) was born. He attended Gladstone High School in Covina, California from 1986 to 1989 as well attending Mira Costa High School in Manhattan Beach, and Fair Valley in Covina. Although he was trained as a classical pianist as a child he eventually moved to the guitar. He used to play for "Antoneus Maximus & The Nuthouze Band" who had been playing gigs at local venues in Los Angeles. He practices/teaches Hatha Yoga in between films and now plays Guitar/Piano and sings in the band "Gene Wilder".
Duval has starred in numerous independent films, including the 2009 psychological thriller The Black Waters of Echo's Pond and the mystery crime-thriller film Noirland directed by Ramzi Abed. He is also known for playing the role of 'Frank the rabbit' in Donnie Darko and a wild neighbor across the street in Tales of Halloween.