Sean Cole, better known by his stage name Nutt-So is an American rapper from Oakland, California. He is the older brother of the R&B singer Keyshia Cole. He is also part of the rap-group called Street Thugs. He worked with the late rapper Tupac Shakur. They recorded several songs together including "Runnin' on E", "Ghetto Star", "Wordz 2 My Firstborn (Original Version)", "Don't Sleep (Original Version)", "This Life I Lead (Original Version)", and "Dumpin' (Original Version)".