Who is Skipper from This Boy's Life and what is their importance?

Skipper is Dwight's son and middle child. Skipper is quiet and shares a room with Toby. Skipper is a gear head and spends his high school career reconstructing a 1949 Ford. Skipper is friendly with Toby when Toby's in his shop. He is not cruel like his father and doesn't want to hurt Toby. Skipper never says much about his dad, but he moves away from home after high school to get away from the family.