Legion of Doom

The Legion of Doom is a group of the most powerful villains that are the main antagonists of the Thomas' Adventures of My Little Pony saga that are led by Diesel 10 and Grogar.

* Grogar
* Diesel 10
* Devious Diesel
* 'Arry and Bert
* Sailor John
* Queen Chrysalis
* Tirek
* Cozy Glow
* Splatter and Dodge
* Raffuzio Pulpo
* Uno and Due
* Jack Frost
* Leonardo, Edison and Newton
* Dangerous Dan
* Scar
* Ushari
* Janja
* Cheezi and Chungu
* Nne and Tano
* Mzingo
* Mwoga
* Reirei
* Goigoi
* Kiburi
* Tamka
* Nduli
* Shupavu
* Njano
* Zach Varmitech
* Donita Donata
* Dabio
* Gourmand
* Paisley Paver
* Rex
* Robbie Rotten
* Jafar
* Maleficent
* Diablo
* Hades
* Pain and Panic
* Captain Hook
* Mr. Smee
* Cruella De Vil
* Ursula
* Dr. Facilier
* Mozenrath
* Xerxes
* Giovanni
* 009 Domino (The Black Tulip)
* Team Rocket (Jessie, James and Meowth)
* Dick Dastardly
* Muttley
* Fox, Owl and Snake
* Dragon
* The Highway Rat
* Professor Pericles
* Mr. E/Ricky Owens
* Brad Chiles and Judy Reeves
* Professor Z
* Grem and Acer
* Professor Moriarty
* Tin, Pan and Alley
* Vinnie
* The Nightmare Train (Cerberus)
* Scarface
* Lady Blue
* Ronno
* Sir Oswald
* Ash Delgado
* Barkis Bittern
* Judge Claude Frollo
* Governor Ratcliffe
* Grundel Toad
* Claudandus
* Pete
* Ruber
* Griffin
* Rasputin
* Rothbart
* S.C. Ruffey
* The Spiteful Brakevan
* King Candy (Turbo)
* Shan Yu
* Yzma
* The Horned King
* Creeper
* Harry and Marv
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## Members

* Grogar (leader)
* The Devious Claw of Evil (excluding The Storm King)
* Army of Scar
* Zach Varmitech, Donita Donata, Dabio, Gourmand, Paisley Paver and Rex.
* Jafar
* Maleficent
* Diablo
* Captain Hook and Mr. Smee
* Hades, Pain and Panic
* Cruella De Vil
* Ursula
* Dr. Facilier
* Robbie Rotten
* Mozenrath
* Xerxes
* Giovanni
* 009 Domino (The Black Tulip)
* Team Rocket (Jessie, James and Meowth)
* Dick Dastardly and Muttley
* Fox (The Gruffalo), Owl (The Gruffalo) and Snake (The Gruffalo)
* Dragon (Room on the Broom)
* The Highway Rat (evil clone)
* Professor Pericles, Mr. E/Ricky Owens, Brad Chiles and Judy Reeves
* Professor Zündapp, Grem and Acer
* Professor Moriarty
* Tin, Pan and Alley
* Vinnie
* The Nightmare Train
* Scarface and Lady Blue
* Ronno
* Sir Oswald
* Ash Delgado
* Barkis Bittern
* Judge Claude Frollo
* Governor Ratcliffe
* Grundel Toad
* Claudandus
* Pete
* Sir Ruber and his griffin
* Rasputin
* Rothbart
* S.C. Ruffey
* The Spiteful Brake Van
* King Candy (Turbo)
* Shan Yu
* Yzma
* The Horned King
* Creeper
* Harry and Marv

## Trivia

* The Legion of Doom is formed in *Thomas' Adventures of My Little Pony: Friendship is Magic - The Beginning of the End**.*
* Victor, Carla and Ash Delgado joins the legion after *Thomas and Twilight Sparkle's Adventures of Elena of Avalor Season 2: Snow Place Like Home.* Victor and Carla later deflect from the legion after they give up their evil pursuits which results in Ash turning Victor to stone and Carla's arrest.
* Scarface, Lady Blue, Grundel Toad, Pete, Claudandus, Judge Claude Frollo, Governor Ratcliffe, S.C. Ruffey, The Spiteful Brake Van, Rothbart, Rasputin, Ruber and King Candy/Turbo joins the legion in the bonus ending of *Thomas and Twilight Sparkle's Adventures of The Ugly Duckling**.*
* Harry and Marv joins the legion in *Thomas' Adventures of My Little Pony: Friendship is Magic - The Summer Sun Setback.*
* The Horned King and Creeper joins the legion after being resurrected by The Black Cauldron in the bonus ending of *Twilight Sparkle's Adventures of Thomas & Friends: Big World! Big Adventures! (TV Series) - Crowning Around.*
* Yzma joins the legion in the bonus ending of *Twilight Sparkle's Adventures of Thomas & Friends: Big World! Big Adventures! (TV Series) - The Other Big Engine.*
* Professor Moriarty, Tin, Pan and Alley joins the legion in the bonus ending of *Twilight Sparkle's Adventures of Thomas & Friends: Big World! Big Adventures! (TV Series) - Thomas Makes A Mistake.*
* Giovanni and 009 Domino (The Black Tulip) joins the legion in the bonus ending of *Thomas' Adventures of My Little Pony: Friendship is Magic - A Horse Shoe-In.*
* Mozenrath and Xerxes joins the legion after being brought back to life by The Black Cauldron in the bonus ending of *Thomas and Twilight Sparkle's Adventures of Elena of Avalor - The Incredible Shrinking Royals.*
* Shan Yu joins the legion after being brought back to life by The Black Cauldron in