Duck/Harold

Duck/Harold are parodies with Harold the Helicopter and Friends audio and Duck the Great Western Engine and Friends clips.

Cast

 * Duck as Harold
 * Green Arrow (from RWS) as Hank (Green Arrow and Hank are both big tender engines)
 * Flying Scotsman as BoCo (Flying Scotsman and BoCo are both green)
 * The Big City Engine (from RWS) as Derek (The Big City Engine and Derek are both green)
 * Mallard (from RWS) as Bulgy
 * Oliver as Jeremy
 * City of Truro as Salty
 * Thomas as Bertie
 * Henry as Bill
 * Gordon as Ben (Gordon and Ben are both end with n)
 * Percy as Trevor (Percy and Trevor are both green)
 * George as S.C. Ruffey
 * Skarloey as Donald
 * Rheneas as Douglas (Rheneas and Douglas are both end with s)
 * Duke as Henry (Duke and Henry are both big tender engines)
 * Mavis as Isobella (Mavis and Isobella are both square faces)
 * Daisy as Madge (Daisy and Madge are both green and they both big and strong)
 * Toby as Whiff
 * Lady as Rosie (Lady and Rosie are both tank engines)
 * Ferdinand as Duck
 * Bertram as Toby (Bertram and Toby are both brown)
 * Flynn as Colin (Flynn and Colin are both end with n and they both square faces)
 * Max as Splatter
 * Monty as Dodge
 * Edward as Stanley
 * Culdee (from RWS) as Jack
 * Wilfred (from RWS) as Alfie
 * Shane Dooiney (from RWS) as Byron
 * Ernest (from RWS) as Ned
 * Bert (from RWS) as Kelly (Bert and Kelly are both blue)
 * Lord Harry (from RWS) as Patrick
 * Proteus as Nelson
 * Jock (from RWS) as Buster
 * Blister I (from RWS) as Bash (Blister I and Bash are both start with B)
 * Blister II (from RWS) as Dash
 * Stepney as Puffa (from TUGS) (Stepney and Puffa are both tank engines)
 * Emily as Flora
 * Diesel as Smudger (Diesel and Smudger are both grumpy)
 * Arry as Arry
 * Bert as Bert
 * Sir Topham Hatt as Jem Cole
 * Lady Hatt as The Refreshment Lady (Lady Hatt and The Refreshment Lady are both ladies)
 * Jem Cole as Sir Topham Hatt
 * The Refreshment Lady as Lady Hatt (The Refreshment Lady and Lady Hatt are both ladies)
 * Byron as Ferdinand (Byron and Ferdinand are both big and strong)
 * Fergus as Oliver
 * Alfie as Rocky (Alfie and Rocky are both square faces)
 * Murdoch as Gordon (Murdoch and Gordon are both big tender engines)
 * Spencer as James (Spencer and James are both big tender engines)
 * Isobella as Caroline
 * Diesel 10 as The Spiteful Breakvan
 * Derek as Hiro (Derek and Hiro are both big and strong)
 * D261 as D261
 * Henrietta as Elizabeth
 * Colin as Hector (Colin and Hector are both square faces)
 * Bulstrode as Diesel (Bulstrode and Diesel are both square faces and they both black)
 * The Mountain Railway Manager (from RWS) as The Foreman
 * Jeremy as Thomas
 * Madge as Emily (Madge and Emily are both green and they both big and strong)
 * Godred (from RWS) as Diesel 10
 * The Spiteful Breakvan as Old Stuck-Up (from RWS)
 * Kevin as Skarloey
 * Toad as Rheneas
 * Thumper as Boomer (from TUGS) (Thumper and Boomer are both end with er)
 * Den as Burke (from TUGS) (Den and Burke are both square faces)
 * Dart as Blair (from TUGS) (Dart and Blair are both square faces)
 * Victor as Rusty
 * Terence as Sir Handel
 * Buster as Peter Sam
 * Elizabeth as Daisy
 * Captain as Duke
 * Duncan as Duncan
 * Ned as Freddie
 * Norman as Den (Norman and Den are both end with n and they both diesel engines)
 * Paxton as Dart (Paxton and Dart are both diesel engines)
 * Sidney as Norman (Sidney and Norman are both diesel engines)
 * Bulgy as Spencer (Bulgy and Spencer are both square faces and Spencer was a Real Villain in Hero of the Rails)
 * Stanley as Stepney (Stanley and Stepney are both start with St and the end with ey and they both tank engines)
 * Peter Sam as Billy (Peter Sam and Billy are both tank engines)
 * Frank (from RWS) as Sidney (Frank and Sidney are both diesel engines)
 * Harold as Percy
 * Rosie as Belle (Rosie and Belle are both end with e and they both tank engines)
 * Charlie as Scruff (Charlie and Scruff are both tank engines)
 * Flora as Molly (Flora and Molly are both yellow)
 * Rusty as Bear (from RWS) (Rusty and Bear are both diesel engines)
 * Victoria (from RWS) as Caitlin
 * Bill as Mighty
 * Ben as Mac
 * BoCo as Terence (BoCo and Terence are both square faces)
 * Annie as Isabel (from RWS) (Annie and Isabel are both coaches)
 * Clarabel as Dulcie (from RWS) (Clarabel and Dulcie are both coaches)
 * Butch as Toad (Butch and Toad are both square faces)
 * Bertie as Wilbert (from RWS)
 * Neville as Edward (Neville and Edward are both big tender engines)
 * Harvey as Harvey
 * Billy as Paxton
 * Belle as Lady (Belle and Lady are both tank engines)
 * Smudger as Cranky (Smudger and Cranky are both green and Cranky was a Real Villain in Season 5)
 * Salty as Butch (Salty and Butch are both square faces)
 * Hank as Victor
 * Nelson as Hercules (from TUGS) (Nelson and Hercules are both square faces and they both big and strong)
 * Splatter as Lorry 1 (Splatter and Lorry 1 are both square faces)
 * Dodge as Lorry 2 (Dodge and Lorry 2 are both square faces)
 * Lorry 1 as Lorry 3 (Lorry 1 and Lorry 3 are both horrid lorries)
 * Lorry 2 as Charlie
 * Lorry 3 as Dennis (Dennis was a Real Villain in Season 9)
 * Molly as Mavis (Molly and Mavis are both start with M)
 * Rocky as Bertram (Rocky and Bertram are both big and strong)
 * Porter as Murdoch
 * Kelly as Neville
 * Jack as Luke
 * Oliver (Pack) as Porter
 * Caroline as Tillie (from The Little Engine That Could) (Caroline and Tillie are both end with e)
 * Scruff as Kevin (Scruff and Kevin are both square faces)
 * Donald as Stephen (Donald and Stephen are both big tender engines)
 * Douglas as Connor (Douglas and Connor are both big tender engines)
 * Arthur as Stafford
 * James as Winston (James and Winston are both red)
 * Freddie as Merrick
 * Catherine (from RWS) as Catherine (from RWS)
 * Sir Handel as Owen
 * Old Slow Coach as Old Slow Coach
 * Hiro as Thumper (Hiro and Thumper are both big and strong)
 * Stafford as Flynn (Stafford and Flynn are both square faces)

Parodies

 * Nelson/TUGS (Duck/Harold Version)
 * Caroline/The Little Engine That Could (Duck/Harold Version)