Trevor/Terence

Cast

 * Trevor as Terence (Trevor and Terence both start with T)
 * Toby as Henry (Toby and Henry both end with Y)
 * Neville as Edward
 * Spencer as Derek (Spencer and Derek have both Square Faces)
 * Cranky as Bulgy (Cranky and Bulgy both end with Y)
 * Fergus as Bertie
 * Edward as James
 * Oliver as Peter Sam (Oliver and Peter Sam are both Green)
 * Whiff as Bash
 * Scruff as Dash
 * Duck as Rusty
 * Diesel 10 as The Spiteful Brakevan
 * Migthy as Donald
 * Mac as Douglas
 * Salty as Murdoch
 * Mavis as Judge Judy the Diesel
 * Daisy as Molly (Daisy and Molly both end with Y)
 * Jack as Toad
 * Belle as Madge (Belle and Madge both end with Y)
 * Terence as Toby (Terence and Toby both start with T)
 * BoCo as Den
 * Peter Sam as Butch
 * Splatter as Splatter
 * Dodge as Dodge
 * Percy as Skarloey
 * Harold as Fergus
 * Jeremy as Trevor
 * Hank as Paxton
 * Harvey as Duck
 * Winston as Oliver
 * Bulgy as George
 * Captain as Whiff
 * Victor as Scruff
 * Bill as Bill
 * Ben as Ben