Stepney/Percy (Version 2)

Cast

 * Stepney as Percy
 * Flynn as Hiro
 * Green Arrow (from RWS) as Gordon (Green Arrow and Gordon's names both start with "G")
 * Big City Engine (from RWS) as BoCo (Big City Engine and BoCo are both green)
 * Spamcan (from RWS) as Duncan
 * Puffa (from TUGS) as Billy
 * Douglas as James
 * Toad as Thomas
 * Jack as Bill
 * Alfie as Ben
 * Bash as Stepney
 * Tiger Moth as Diesel 10
 * Arry as Bash
 * Bert as Dash
 * Stafford as Ferdinand
 * Daisy as Elizabeth
 * Henrietta as Molly
 * Butch as Oliver
 * Annie as Rosie
 * Whiff as Harold
 * Kelly as Freddie
 * Colin as Colin
 * George as Norman
 * Smudger as Paxton (Smudge and Paxton are both green)
 * Paxton as Rheneas
 * Donald as Charlie
 * Fergus as Fergus
 * Henry as Neville
 * Derek as Whiff
 * Nelson as Arthur
 * Oliver (from Theodore Tugboat) as Dennis
 * Victor as The Old Engine (from RWS)
 * Luke as Salty
 * Skarloey as Den
 * Rheneas as Dart
 * Belle as Olivia
 * Diesel 10 as Diesel
 * Oliver as Arry
 * Thomas as Bert
 * Stan Marsh (from South Park) as Sir Topham Hatt
 * Rusty as Jack
 * Ferdinand as Toby
 * Dash as Kevin
 * Billy as Victor
 * Diesel as George
 * Elizabeth as Daisy
 * Duncan as Hector
 * Hiro as Hank
 * Jeremy as Mallard (from RWS)
 * Caitlin as Henrietta
 * Big Mickey (from TUGS) as Cranky
 * Norman as Smudger
 * Big Bird (from Sesame Street) as Mr. Percival
 * Edward as Harold
 * Victoria (from RWS) as Lady
 * Bulstrode as Scruffey
 * Max as D261
 * Gordon as Jeremy
 * Catherine (from RWS) as Mavis