Biff Loman is Willy's son, who, despite being thirty-four years old, has yet to find his purpose in life. Like his father, Biff's dreams are unfulfilled, leaving him frustrated and angry, both with himself and Willy. Be sure you understand the complicated relationship between father and son by taking the eNotes quiz over the character of Biff Loman in Arthur Miller's classic play about the fractured American dream, Death of a Salesman.