Fergus/Diesel

Cast

 * Fergus as Diesel
 * Terence as The Spiteful Brakevan
 * Sidney as Spencer (Sidney and Spencer both start with S)
 * Murdoch as Diesel 10
 * Arthur as George
 * Trevor as Bulgy
 * Bertie as Old Stuck-Up (from RWS)
 * Whiff as Spamcam (from RWS)
 * Bill as Arry
 * Ben as Bert (Ben and Bert both start with B)
 * Scruff as Smudger (Scruff and Smudger both start with S)
 * Diesel 10 as Thomas
 * Donald as Max
 * Douglas as Monty
 * Winston as D261
 * Caroline as Emily
 * Molly as Elizabeth
 * Luke as Norman
 * Belle as Daisy
 * Toby as Scruffey (Toby and Scruffey both end with Y)
 * Derek as Bertram
 * Neville as Paxton
 * Splatter as Donald
 * Dodge as Douglas (Dodge and Douglas both start with D)
 * Thomas as Sidney (Thomas and Sidney are both Blue)
 * Jack as Evil Thomas
 * Alfie as Evil Percy
 * Byron as Evil Gordon
 * Ned as Evil Henry
 * Kelly as Evil Toby (Kelly and Evil Toby both end with Y)
 * Patrick as Evil James
 * Nelson as Evil Edward
 * Buster as Evil Duck
 * Bash as Evil Donald
 * Dash as Evil Douglas (Dash and Evil Douglas both start with D)
 * James as Evil Arthur
 * Henrietta as Henrietta
 * Diesel as Gordon
 * Arry as Bill
 * Bert as Ben (Bert and ben both start with B)
 * Homer (from The Simpsons) as The Angry Policeman
 * Marge (from The Simpsons) as The Stationmaster's Wife
 * Edward as Fred Pelhay
 * Percy as Rickety
 * Colin as Lorry 1
 * Salty as The Chinese Dragon
 * Smudger as Percy (Smudger and Percy are both Green)
 * Madge as Mavis (Madge and Mavis both start with M)
 * D261 as James
 * Gordon as Farnsworth (from The Little Engine That Could)
 * Bulstrode as Henry
 * Daisy as Evil Lady (Daisy and Evil Lady both end with Y)
 * Hector as Colin
 * The Spiteful Brakevan as Bertie
 * The Foreman as Conrad Cat (from Skipper & Skeeto)
 * Miss Jenny as The Evil Queen (from Snow White)
 * Stanley as Evil Harold
 * Flora as Evil Rosie
 * Bulgy as Oliver
 * Spencer as Captain
 * Victor as Tiger Moth
 * Mavis as Vickie (A Made Up Charecter)
 * Skarloey as Zorran (from TUGS)
 * Rheneas as Bluenose (from TUGS)
 * Sir Handel as Zebedee (from TUGS)
 * Peter Sam as Zak (from TUGS)
 * Rusty as Zip (from TUGS)
 * Ivo Hough (from RWS) as Oliver (from Theodore Tugboat)
 * Millie as Carla (from Theodore Tugboat)
 * Den as Frank (from TUGS)
 * Dart as Eddie (from TUGS)
 * Freddie as Zug (from TUGS)
 * Duncan as Sea Rouge (from Salty's Lighthouse)
 * Mrs. Percival as Shelly Marsh (from South Park)
 * Mr. Percival as Eric Cartman (from South Park)
 * George as BoCo (George and BoCo are both Green)
 * Duck as Lord Harry (from RWS)
 * Oliver as Gored (from RWS)
 * Zorran (from TUGS) as Toad
 * Zug (from TUGS) as Skarloey
 * Zip (from TUGS) as Rheneas
 * Emily as Evil Belle
 * Hiro as Evil Flynn
 * Migthy as Splatter
 * Mac as Dodge
 * Hank as Diesel 12
 * Flynn as The Old Guardsvan (from RWS)
 * Jeremy as Proteus
 * Merrick as Boulder
 * Max as Hank
 * Monty as Stanley
 * Stafford as Harvey
 * Dennis as Stepney
 * Henry as Fergus
 * Scruffey as Edward
 * Isobella as Evil Emily
 * Pufle (from Casey Jr and Friends) as Pete (from The Little Engine That Could) (Pufle and Pete both start with P)
 * Montana (from Play Safety/Casey Jr and Friends) as The Shiny Engine (from The Little Engine That Could (Book))
 * Melissa (from Casey Jr and Friends) as Evil Molly
 * Paxton as Diesel 5
 * Billy as Hector
 * Thumper as Guysborough (from Theodore Tugboat)
 * BoCo as Stanley/No. 2 (from RWS)
 * Bear (from RWS) as Johnny Cuba (from TUGS)
 * Victoria (from RWS) as Evil Annie
 * Helena (from RWS) as Evil Clarabell
 * Harvey as Sixteen (from RWS)
 * Big Mickey (from TUGS) as The Big City Engine (from RWS)
 * Farnsworth (from The Little Engine That Could) as Duck
 * The Pasing Diesel (from RWS) as Toby