Harry and Bert are twins from Sodor Ironworks.
First appearance: Skarloey and Rheneas depart for Crewe
Last appereance: BA
Harry and Bert are working in Sodor Ironworks Stepney arrived here were two diesels approached to him, then Bert buffered up to Stepney and then took him here and then Harry said: Bye-Bye, Stepney! Ha-Ha-Ha!