| Duncan |
|---|
| Gender: Male |
| Color: Yellow |
| Occupation: Skarloey Railway Engine No. 6 |
| First Appearance: The Little Old Engine |
| Voiced by: Gerard Butler |
Duncan is a boisterous, narrow gauge tank engine, who sometimes complains.
Bio[]
Duncan works on Mr. Percival's Narrow Gauge Railway. He has a great big heart but is a little misguided.