My Little Pony Villains/Thomas

Cast (note: former villains are allowed to be counted as villains)

 * Starlight Glimmer as Thomas
 * Discord as Edward
 * Nightmare Moon as Henry
 * Tirek as Gordon
 * Pony of Shadows as James
 * Trixie as Percy
 * Chancellor Neighslay as Toby
 * Gilda as Duck
 * Flim as Donald
 * Flam as Douglas
 * Lightning Dust as Oliver
 * Twilight Sparkle as Diesel
 * Short Fuse as Bill
 * Rolling Thunder as Ben
 * Mane-iac as BoCo
 * Rarity as Daisy
 * Queen Chrysalis as Mavis
 * Gladmane as Stepney
 * Sunset Shimmer as Emily
 * Tatzlwurm as Bertie
 * Dr. Calebron as Salty
 * Wind Rider as Harvey
 * Applejack as Arry
 * Fluttershy as Bert
 * King Sombra as Fergus
 * as Skarloey
 * as Rheneas
 * as Sir Handel
 * as Peter Sam
 * as Rusty
 * as Duncan
 * as Duke
 * as Freddie
 * as Mighty Mac
 * Ahuizotl as Arthur
 * Daybreaker as Lady
 * Princess Celestia as Diesel 10
 * Spike as Splatter
 * Pinkie Pie as Dodge
 * Quarry Eel as Terence
 * Hydra as Trevor
 * Grubber as Toad
 * Storm King as Derek
 * Scootaloo as Bulgy
 * Apple Bloom as Elizabeth
 * Sweetie Belle as George
 * Suri Poliomare as Murdoch
 * Rainbow Dash as Spencer
 * Cozy Glow as Caroline
 * Derpy as Scruffey
 * as Harold
 * Tempest Shadow as Rosie
 * Background Ponies as Troublesome Trucks
 * Sunburst as Smudger
 * Shining Armor as Bulstrode
 * Jupiter Montage as Stanley
 * as Molly
 * Diamond Tiara as Annie
 * Silver Spoon as Clarabel
 * Princess Cadence as The Spiteful Breakvan