Joey is the son of Salvatore Leone, don of the Leone Family, the most powerful family in Liberty City. Joey works as a mechanic and owns his own business, Joey's Garage.

Joey Leone was born in Liberty City and was brought up by his father, Salvatore, and his mother, who died at an unknown point in time. Salvatore became don of the Leone Family in the late 1980s. Joey, however, had no ambitions of becoming a prominent gangster in the family, and become a mechanic. In this chat it's 2001.