Sixteen was naughty, careless, arrogant, and awkward. He refused to take anyone's advice, and it is also implied that he grew bored of his surroundings and was curious about the outside. After his accident, Wilbert has said that he hopes Sixteen has learned his lesson after being restored. He later got sold to a preservation society in the Midlands, and now works on their railway.
- Shorts 7 (mentioned)