“Arthur is a tank engine from the LMS Railway. He has a spotless record. Arthur “Bertie is a bus who has a great deal in common with Thomas. Bertie the Bus “Duncan is a narrow gauge tank engine. He likes to "rock and roll". Duncan Pages in category "Thomas" The following 3 pages are in this category, out of 3 total. A ArthurB Bertie the BusD Duncan Retrieved from "http://dod.wikia.com/wiki/Category:Thomas"