 He was responsible for creating the lucrative New Day Co-Op with Stringer Bell, supplying much of Baltimore with heroin brought into the city by "The Greeks".Displaying a cunning, business-oriented demeanor, Joe was often a match in wits for rival drug lords Avon Barksdale and Marlo Stanfield, and was able to manipulate most situations to his advantage.His nickname stemmed from his trademark phrase, "I've got a proposition for you", going back to his days selling test answers on the schoolyard.