Benjamin Darvill (born January 4, 1967), known by his stage name Son of Dave, is a Canadian musician and singer–songwriter, based in the United Kingdom. He was a member of Grammy nominated folk rock band Crash Test Dummies in which he played harmonica, mandolin, guitar and percussion before returning to his Blues, Beat-Box and harmonica driven solo work in 2000.

SOD was born in Winnipeg, Manitoba. He was inspired to learn the harmonica after hearing James Cotton and Sonny Terry play at the Winnipeg Folk Festival.