Joe is the owner of his eponymous shop Joe's Pizza Place and serves the player pizza and chicken wings. Domino is an employee of his. Joe is in the shop from afternoon till evening. Joe is depicted as a very impatient person. He is also drunk, as told by a character.
"Joe's still got the best pizza in the city. Too bad he's a drunk."
"Can't you see I've got better things to do? Don't waste my time kid, what'll it be?"