David Darnell Brown (born March 15, 1981), better known by his stage name Young Buck, is an American rapper who is signed to G-Unit Records and His own Record label, Cashville Records. Buck is a former member of the New York City-based hip hop group G-Unit. Around the age of twelve, Buck started to rap, and began recording in a studio at fourteen. This was shortly followed by an opportunity to perform for Brian "Baby" Williams, co-founder of Cash Money Records.