Peter Sullivan is the son of Sully and Vera. He is married to Charlotte and has three sons, Will, Wacker and Andy. He also has a mistress named Deidre. A history Professor at West Virginia State, he fails to receive tenure. When Charlotte takes the two younger children and leaves him, he decides to move to Bath and work with Sully. He is involved with Toby Roebuck at the end of the book.