Dwight Turnbull is Tommy and Donnie's brown-haired, small-eyed father and Debbie Turnbull's husband. He works as a salesman of a shop that sells fitness equipment. He is an assertive person, always trying to get Tommy to play sports, so as not to be a girl. He dislikes Tommy's interests in toys and robots, especially Robotboy. He was once seem grinning cruelly when he thought he had an excuse to throw Robotboy out.