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Characters: Thomas the Tank Engine
Thomas & Friends is one of the longest running children's series in the UK (Over 60 odd years, counting the books when they were first printed)

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    The Steam Team 

The Fat Controller/Sir Topham Hatt

"You are a really useful engine."

Voiced by: Kerry Shale (US), Keith Wickham (UK)

The Controller of the railway, makes sure all of his engines are doing their best. Stern and no nonsense, but very caring towards all his engines.

  • A Day in the Limelight: The show gives him a handful of these. Much in the style of the engines, he usually ends up playing the Butt Monkey in them.
  • A Father to His Men
  • Bald of Awesome
  • Bully Hunter: Often harshly disciplines any engine that is mocking or belittling another.
  • Catch Phrase: "Reeeeally Useful Engine." and "You have caused Confusion and Delay." (This one however, has had several variations in Season 17)
    • "Early Days yet" towards his new Railway Inspection Vehicle, Winston. Which comes up when you find out he's a terrible driver.
  • Characterization Marches On: Awdry originally created the Fat Controller as a nod to "pompous railway officials who gave out plenty of orders but never actually did anything", with some engines actually acting rather impudent towards at times. He also had a tendency for Cool And Unusual Punishments for disobedient engines. The books, and by extention the show, altered him into a stern but fair Father To His Men with insurmountable knowledge of the railway (and many other goings on in Sodor), which almost no engine would even think of upsetting.
  • Composite Character: Took the role of the Thin Controller in early adapted episodes.
  • Deadpan Snarker: Some of his lectures towards the engine lean as this. Especially evident with Michael Angelis' literally deadpan take on the character.
    The Fat Controller: Tunnels aren't dancefloors, and you are not a pop star.
  • Drives Like Crazy: His old lorry Elizabeth asks if he's "learned to drive properly yet" back in Series 6. With Winston's introduction in Series 16, it seems the answer is "No".
  • Everyone Calls Him Barkeep
  • Friend to All Living Things: Generally anything that is remotely sentient on Sodor is respectful and obedient to him. Whenever an engine (often the conniving Diesels) believes they have been rejected by him, it is pointed out he cares about all of his engines.
  • Legacy Character: In the original books.
  • Momma's Boy
  • Nice Hat: He's incredibly fond of his top hat, so much that it has slipped into Companion Cube territory.
    • OOC Is Serious Business: In "Misty Island Rescue" he is so overjoyed at finding Thomas, he throws his hat into the hair, not caring the least when it disappears into the mist.
    The Fat Controller: I can find another hat, but I can never find another Thomas.
  • Punny Name
  • Railroad Baron
  • Silence, You Fool!: Whenever he is tired of the engines blurbing or whistling randomly.
  • So Proud of You: Calls his engines "really useful".
  • Stern Controller
  • Surrounded by Idiots: He keeps giving Thomas and Percy important jobs, regardless of how much he yells at them for screwing up. As of now, it's not like he has another choice.
  • Tranquil Fury: The master of this trope. No matter what level of destruction the engines cause, his reaction rarely excels past a stern, snarky lecture. Nevertheless, none of the engines want to be on his bad side.

Thomas the Tank Engine

"Hello Everybody, welcome to the island of Sodor!"

Voiced by: Martin Sherman (US), Ben Small (UK), Edward Glen (Magic Railroad)

A tank engine, the main character and namesake of the series, and the first engine to be purchased for the Fat Controller's railway. Thomas spent his time shunting coaches for bigger engines, and he longed to see the world. After helping to rescue James after an accident, he was dubbed a "Really Useful Engine" and was given his own branch line, along with two coaches, Annie and Clarabel. Thomas is occasionally cheeky and over excitable, but always intends to help the Fat Controller and his many friends.

  • Aesop Amnesia
  • Acquired Situational Narcissism: After getting his own branch line. He tamed a bit after a few Break the Haughty moments.
  • All-Loving Hero: Around season 3 he grows out of being the Bratty Half-Pint and becomes this. After season 7, this snaps back, though he still often displays shades of this.
  • All of the Other Reindeer: Initially in season 1, although this is justified since he was a cheeky, impatient Attention Whore.
  • Attention Deficit... Ooh, Shiny!: Seems to be a prominent shortcoming in later episodes.
  • Attention Whore: In the first few episodes until he was given his own branchline. This became a big plot point in The Great Discovery. Played for laughs in Flash, Bang, Wallop!.
  • Berserk Button: Woe betide any engine that he sees pulling Annie and Clarabel without his consent.
    Thomas: Those are my coaches! Give them back!
  • Big Brother Instinct: Though it's sometimes hidden beneath his egotism or childishness, Thomas is shown to look out for younger engines a lot, particularly Percy. This is particularly evident in later episodes, where he is more experienced so often charged with helping newer engines out.
  • Bratty Half-Pint: How he started out.
  • Breakout Character: In the original books, Thomas wasn't as heavily focused on; Awdry had plenty of other parts of Sodor to write about. However, Thomas connected with the younger audience, and when the television series was launched, he was cast as the main star. Expands into both the show and the books since the release of the former led for publishers to insist for more Thomas-centric stories from the latter to tie in.
  • Bully Hunter: In later episodes. Hector found out the hard way not to pick on Rosie. He can also be very sharp with James and Gordon for mocking the weaker engines.
  • Catch Phrase: "Fizzling Fireboxes!" "Cinders and ashes!". Funnily, this was translated as curse words in Indonesian subtitles.
  • Character Development (Started as a Bratty Half-Pint in season one. Then became a less bratty but more arrogant character in season 2. In season three he had matured into a really cool big brother type to Percy. Reset with season 8.)
    • Took a Level in Kindness: While Thomas' childish and accident prone personality returned, his nicer more altrustic qualities were kept for the most part, and he is far less arrogant and rude than he was in the stories from the original books.
  • Cheerful Child: Or at least what can be best considered a "child" as far as engines go.
  • Cloudcuckoolander: Leans as this in later episodes. He often causes problems due to his excitable and easily distracted tendencies, however he just as often solves problems devising a rather eccentric plan, and has frequent moments of insight that prove very helpful to the other engines.
  • Composite Character: A subtle method of sneaking Thomas into earlier episodes adapted from The Railway Series was to give him the role of a generic or unadapted engine from the original story.
  • Fatal Flaw: The earlier seasons focus on his impatience and arrogance getting him into trouble. The later seasons focus more on his tendency to be easily distracted.
  • Freudian Trio: Originally was one with Percy and Toby. Formed one with Percy and James in King of the Railway.
  • Greeneyed Monster: A mild example. At first, he can be jealous of other engines doing a better job than him (Toby, Duck, Stepney, and most of all Stanley), but he became good friends with them.
  • The Hero
  • Honor Before Reason: Usually loyal and hard working, but will sometimes abandon his work or disobey the Fat Controller when he believes he must help someone else. He is often rebuked for this, though the Fat Controller sometimes overlooks it if it is for the better rather than "causing confusion and delay".
  • Idiot Hero: Occasionally.
  • Jerk with a Heart of Gold: In the earlier seasons before taking a level in kindness.
  • Just a Kid: Thomas often gets teased by bigger engines for his small size and big ambitions. Spencer even called him a "tiny toy tank engine".
  • Leeroy Jenkins: He can be very impatient at times, especially in the older seasons.
  • Miles Gloriosus: In season 2.
  • Mr. Vice Guy: Thomas is enthusiastic and altruistic, but also lacks patience and has a recurring problem keeping focus on one task at a time.
  • Never Tell Me the Odds: Word of God states that he's always trying to do jobs best left to bigger, stronger, faster and smarter engines.
  • Nice Job Breaking It, Hero: He seems to suffer this trait a lot in the later series due to his eagerness in doing jobs. In Calling All Engines where he unintentionally moved the trucks off the rails knocking off the water tower. Also when in The Great Discovery where he gives Stanley too much trucks that this resulted in the trucks crashing to the newly-built Great Waterton tower.
  • Older and Wiser: The first original stories for the show made Thomas more mature and gentle. He slowly became childish again (if not more so) in later seasons, though still occasionally acts as a competent Big Brother Mentor.
  • Small Name, Big Ego: At first.
  • Spotlight-Stealing Squad: From season 8 onwards the formula for dividing the episode focus goes Three episodes about Thomas to each episode about someone else. Seems to be getting slowly downplayed as of recently however.
  • Unsympathetic Comedy Protagonist: In his earlier stories. Later stories focused more on his altruistic qualities, though he can still be arrogant every now and then.
  • Vitriolic Best Buds: With Percy on occasions. Also with Bertie.
  • Vocal Evolution: Ben Small's voice for Thomas has gotten somewhat more nasal and helium pitched in later UK episodes.

Edward The Blue Engine

"I will do it, I will do it,"

Voiced by: Kerry Shale (US), Keith Wickham (UK)

The oldest engine on the Fat Controller's railway, and the first character developed by the Rev. W. Awdry. Edward is a mixed-traffic engine with his own branch line. He's kind but firm, serving as a mentor for younger engines, though he is often teased about his age.

  • All-Loving Hero: Edward is usually infallibly kind and patient to others. The later seasons give him more arrogant moments, though these are still rare.
  • All of the Other Reindeer: Initially due to him being old.
  • Badass Grandpa: In "Edward The Very Useful Engine", he helped push two trains, one being Gordon and the Express, and the other being Duck and his trucks.
  • Big Brother Mentor: Often to the younger engines, mostly Bill and Ben.
  • Broken Ace: Later episodes Lampshade his Cool Old Guy image, giving him more insecurities about failing at a new task or losing the other engines' respect.
  • Butt Monkey
  • The Comically Serious: Seems to have taken this role in the CGI series due to his Odd Friendship with Charlie.
  • Compressed Vice: Started falling victim to these so to work into later seasons' Aesop structure (most infamously his Fantastic Racism towards Rocky in "Edward Strikes Out"). Later episodes seem to settle for making him self conscious.
  • Cool Old Guy: In season 2, especially in Old Iron and Edward's Exploit. Returns on odd occasions, such as "Edward The Hero".
  • Demoted to Extra: In seasons 4-6. Given a bit more screentime later on, at the cost of his classic personality.
  • Flat Character: Unlike most of the other highly flawed engines, there isn't much to Edward outside being a somewhat old and polite engine. The Hit seasons attempt to remedy this by giving him a more flawed personality, with mixed results.
  • Honor Before Reason: The CGI series reverts to his kind persona, albeit to a fault, with many of his personal dilemmas caused by having problems prioritizing helping others or doing his job. Fails to be Good Is Dumb however since most of the time he knows things probably won't end well for him as a result.
  • Jerkass Ball: Has a tendency to grab this in since the show branched away from the books. Episodes such as "Edward Strikes Out" and "Harvey To The Rescue" are stand out examples.
  • Nice Guy
  • Out of Focus: The writers obviously don't find him very interesting.
  • Team Dad: To Bill and Ben.
  • The Spock
  • Vitriolic Best Buds: With James, especially in the HIT seasons. Also with Gordon, especially in the earlier seasons.

Henry The Green Engine

"I suffer dreadfully and no one cares!"

Voiced by: Kerry Shale (US), Keith Wickham (UK), Kevin Frank (Magic Railroad)

A much larger mixed traffic engine, Henry started off as a poorly built engine bought by the Fat Controller when he was desperate for engines. He was once infamously stranded himself in a tunnel and was bricked up, until Gordon's express failed, when he came out and showed his worth. He required special Welsh coal to steam properly until his Flying Kipper accident, where he was completely rebuilt into a much more reliable (if still occasionally neurotic) engine.

  • Colour-Coded for Your Convenience: In the books, he was originally green until he got a blue coat of paint after staying in a tunnel for awhile. The reason he got his old color back is because the Rev Awdry was fed up of people confusing him with Gordon in the book illustrations, when he was painted blue.
  • Divergent Character Evolution: In early stories he mostly played the role of another arrogant tender engine similar to Gordon and James. Later stories made him more sensitive and neurotic, while adding Hidden Depths such as his love of nature.
  • Dude, Where's My Respect?
  • The Eeyore
  • Emergency Transformation: His rebuild in The Flying Kipper.
  • Executive Meddling: Henry was twice planned to be written out of the series. In his initial story he was intended to remain bricked up in the tunnel and remain disconnected from Sodor, however publishers requested a happy ending for Henry that has him interact with the other engines of the book. Later, Awdry was frustrated with Henry's similarities to Gordon, so intended to silently 'kill him off' due to his failing health, though fans and publishers objected and so Awdry instead gave him an Emergency Transformation to establish a new distinctive design for the character.
  • The Finicky One
  • Freudian Trio: Originally the Ego of one with James and Gordon.
  • Friend to All Living Things: Depending on what season. Particularly Henry's Forest in Season Three.
  • Hypochondriac: When not genuinely ill, he is often moaning about not being tended to. A probable reason the other engines often don't take his ill bouts seriously.
  • Ill Guy: Until his rebuild. Oddly played up from Thomas and the Magic Railroad onward, when he inexplicably requires special coal again.
    • King of the Railway however, makes it clear that he never needed special coal since his rebuild, though still falls into this trope due to a broken valve.
  • Inspirationally Disadvantaged: His need for "special coal" sometimes conveys him as this.
  • Jaded Washout
  • Jerk with a Heart of Gold: In the original stories, where he was usually the nicer natured of the Terrible Trio than Gordon and James. In later episodes he is less conceited.
  • Lovable Coward
  • Nature Lover: Starting from "Henry's Forest".
  • Mid-Season Upgrade: His rebuild in The Flying Kipper.
  • No Sympathy: In regarding to his illness where the other engines (most evidently with Thomas chewing him out for making him late and James berating him for not working hard enough). As soon he was better, he soon got the last laugh at the others. On later occasions, when he was sick, the engines now showed him genuine concern.
    • Repeated in "What's The Matter With Henry" when Henry feels ill again, the other engines (par Emily) scoff at this and even give him their own work load as a prank. They are remorseful when he breaks down as a result, explaining they thought he was just being melodramatic again.
  • The Rival: Had a few bouts with Percy in the first few seasons, somewhat mirroring Gordon's rivalry with Thomas.
  • Took a Level in Kindness: Following Hi T's takeover, Henry was softened, becoming far less pompous and rude. In "Blue Mountain Mystery" he looks back at his arrogant behavior with utter disdain.
  • Vitriolic Best Buds: With Gordon and James.

Gordon The Big Engine

"Oh the indiginity!"

Voiced by: Kerry Shale (US), Keith Wickham (UK), Neil Crone (Magic Railroad)

A big, powerful express engine whose main job is to pull the railway's express. He thinks very highly of himself and is quick to criticize others, though his delusions of grandeur are often what land him into trouble.

James The Red Engine

"I'm a really splendid engine."

Voiced by: Kerry Shale (US), Keith Wickham (UK), Susan Roman (Magic Railroad)

A mixed traffic engine, James was riddled with issues when he first arrived, but later proved to be Really Useful by pulling the Express when Gordon failed. James can be called upon to perform virtually any duty, though he prefers coaches. Like Gordon's ego, James's vanity and admiration for his red paintwork often gets him in trouble.

Percy The Small Engine

"Yes sir, thank you sir."

Voiced by: Martin Sherman (US), Keith Wickham (UK), Linda Ballantyne (Magic Railroad)

A small, cheeky green engine purchased by the Fat Controller while Gordon, James and Henry were on strike. Nobody knows where he really came from or who built him. Percy currently works on Thomas's branch line. Considered as a junior member of the Steam Team, Percy enjoys being given important jobs and is earnest and sincere, if also somewhat naive.

Toby The Tram Engine

"This gentlemen, is a gentlemen who knows how to speak to engine."

Voiced by: William Hope (US), Ben Small (UK), Colm Feore (Magic Railroad)

An elderly tram engine, Toby is unusual as his body's made of wood and he barely resembles a typical steam engine. He once worked on his own railway with his faithful coach Henrietta, until the line was closed down. Thankfully, the Fat Controller, who had visited the railway, brought him to his railway. Since then, Toby's old branch line has seemingly been reopen, where he is often seen working. Toby is wise and experienced, if somewhat easily unnerved.

Emily The Beautiful Engine

"I bet it won't last."

Voiced by: Jules de Jongh (US), Teresa Gallagher (UK)
A Stirling Single engine, and the only female of the Steam Team. When she first arrived on Sodor she mistakenly took Thomas's coaches, to the shock of the other Sodor engines. However, after Emily saved Thomas and Oliver from an accident and apologized, they became close friends, and she was given her own coaches. Emily sports a very enthusiastic, though occasionally haughty personality.

    The Diesels 


"Your worthy Sir Topham Hatt thinks I need to learn. He is mistaken. We Diesels don't need to learn, we know everything. We come to a yard and improve it. We are revolutionary!"

Voiced by: Martin Sherman (US), Kerry Shale (UK)

The first diesel to visit the Island of Sodor, Diesel believes that diesels are better than steam engines, and wanted to "revolutionize" Sodor. He left and came back several times before becoming a permanent part of the railway.

  • Ascended Extra: He appeared in one novel of The Railway Series and a standalone story by Christopher Awdry. In the show (especially in later HIT seasons), he makes regular appearances and is a key antagonist.
  • Adaptational Villainy: In the books, Diesel was merely a pompous bully, and after one return to Sodor, managed to redeem himself. In the series, he returned permanently, though proved as nasty as ever, and gleefully bent on having all steamies sent to the scrapyard. He tamed closer to the books' version in the Hi T seasons.
  • Arch-Enemy: Though antagonistic to almost everyone, he seems to share most of his enmity and rivalry towards Thomas. His main enemy in his initial appearances was Duck.
  • Bitch in Sheep's Clothing
  • Dark Messiah: In his first episode, he comes to Sodor preaching the diesel revolution.
    • Touched on lightly again in "Blue Mountain Mystery" where after hearing of Luke's Dark and Troubled Past, he convinces Paxton he is dangerous and must be gotten rid of.
  • Devil in Plain Sight
  • Does Not Know How To Say Thanks: In "Disappearing Diesels". He settles for a friendly smile instead.
  • A Dog Named Dog: A diesel named Diesel.
  • Fantastic Racism: To the steam engines.
  • The Heckler: Sure to be found making fun of whatever the spotlighted engine is doing, often triggering their insecurities.
  • Jerkass: The most prominent one of the show.
    • Jerk with a Heart of Gold: The newer series has played with this in "Diesel's Special Delivery". Christopher Awdry's stand alone novel "Thomas And The Evil Diesel" also gave him a redeeming moment helping a derailed Clarabel. It's implied in "Disappearing Diesels" that he simply doesn't know how to be nice, even if he tries.
      • Even before the CGI series, there was what ended up happening in Emily & The Special Coaches. See for yourself.
      • Since HIT's takeover over the show, Diesel tends to get a Pet the Dog moment roughly Once a Season. His antagonism towards the other engines is also more petty and he will occasionally admit a begrudged respect for steamies such as Thomas.
  • Karma Houdini: Though this is soundly averted whenever he does something bad, the fact that he's still allowed on Sodor despite his terrible track record (and having been sent away multiple times) is probably a downplayed version of this.
  • Kick the Son of a Bitch: Sometimes Diesel's heckling is directed towards haughty engines or even ones that bite first (he sometimes gets away with it in such cases). Fantastic Racism is a prominent issue among many steamies and diesels, Diesel's just one of the worst cases.
  • Manipulative Bastard: In his debut, he tells jokes about the big engines to the trucks, and tells them that Duck shared them with him. Once the trucks starts laughing at the other engines, they're convinced Duck had been spreading nasty jokes about them.
    • This returns in Day of the Diesels: when seeing Percy distressed about Thomas hanging out with Belle instead of him, he convinces Percy to meet Diesel's friends at the Dieselworks.
  • Obviously Evil: In the Mitton directed seasons anyway. While the books left it more imagination, the show version's demonic smile, sinister Leitmotif and shady voice over from the narrator leave little doubt from the first time he's shown that he probably isn't a Nice Guy.
  • Offscreen Karma: In "A Close Shave" where the Fat Controller found out about his lies about Duck telling names about the other engines and sent him away to the other railway. Averted in "Diesel Does It Again" and the later episodes where Diesel is seen being reprimanded by The Fat Controller for causing trouble again.
  • The Other Marty: After Michael Brandon's departure, Martin Sherman took over the role in the US.
  • Out-of-Character Moment: "Diesel's Special Delivery", in which Diesel broods over not getting clapped and cheered by children as much as James does.
  • Pet the Dog: One episode per season, before he snaps back into his usual Jerk Ass personality.
  • Reality Subtext: His basis, the Class 08, was a diesel responsible for displacing countless steam engines, especially tank engines.
  • Smug Snake
  • Visionary Villain: Started off as one.
    Diesel: "Your worthy Sir Topham Hatt thinks I need to learn. He is mistaken. We diesels don't need to learn, we know everything. We come to a yard and improve it. We are revolutionary!"
  • Worthy Opponent: He displays some begrudged respect for some of the steamies, most often Thomas.


"Feeble, feeble, feeble!? Let me-!"

A feisty diesel railcar brought in to help out while Thomas was being repaired.

  • Berserk Button: Daisy doesn't like being referred as "feeble".
  • Lazy Bum: Until The Fat Controller calls her out on it.
  • Quickly Demoted Woman: The last episode dedicated to her was back in season 4, and she made a brief non-speaking role in season 8.
    • Subverted in the books, while she did disappear for the majority of novels the show adapted, she later reappeared with plenty of stories in the modern novels revolved around her. She also made more frequent appearances in the magazine series.
  • Spoiled Brat
  • Tertiary Sexual Characteristics
  • Well, Excuse Me, Princess!


"Stop! Your making me giddy!"

A metropolitan-vickers diesel who works on Edward's station. Was initially referred as "The Diseasel" by Bill and Ben and was the subject of their tricks until Edward soon put a stop to their games.

  • Chuck Cunningham Syndrome: His last appearance was in "Double Teething Troubles" from season 5.
  • Dark Is Not Evil: Bill and Ben thought he was a trouble-making diesel stealing their china clay trucks until he explained he had mistakenly took them and didn't know it was theirs.
  • Nice Guy


"If we use the teenist bit of Toby's line, we can save all this bother."

Voiced by: Teresa Gallagher

A feisty diesel that works at the quarry. She started off as a cheeky young engine who thought she knew what was right, but matured into a kinder and more motherly engine over time.

'Arry and Bert

"Got you this time, Stepney. You'll make very fine scrap indeed. Buffer 'im Bert

Voiced by: Kerry Shale ('Arry), William Hope (Bert)

Also known as the Smelter Twins, 'Arry and Bert work at the scrapyards and are bullies to all steam engines. Multiple times they have threatened and shown desire to smelting down the steam engines for good.

Diesel 10

I can whatever I want! I'll get him too! With Pinchy!

Voiced by: Neil Crone (Magic Railroad), Matt Wilkinson

The major antagonist of Thomas and the Magic Railroad. A large warship diesel with a mechanical claw on his roof, he was out to destroy Lady and Mr. Conductor, but was defeated thanks to Thomas. He has returned several times in the show's run as a permanent part of the railway.

  • Affably Evil: By the time of Day of the Diesels.
  • Big Bad
  • Brooklyn Rage: In The Movie, an odd contrast to his smooth Evil Brit voice in later appearances.
  • Cartoon Creature: While he's based on a real locomotive type, his claw is purely a fantasy creation with little to no practical use.
  • Devil in Plain Sight: The steam engines all can tell he's clearly evil, but the Fat Controller keeps him around.
  • Disney Villain Death: Not a death per se, but his demise is brought around by falling off a viaduct.
  • Establishing Character Moment: In The Movie, he roars through as station, kicking up dust shouting "Get outta my way! I've unfinished business here I wanna finish it FAST!" He also leaves Gordon, of all engines, shaking in fear.
  • Evil Brit: In the US dub of "Day of the Diesels" due to keeping his voice from the UK series.
  • Evil Laugh
  • For the Evulz: Dumping sneezing powder all over Tidmouth Sheds Yards has got to be this.
  • Gambit Roulette: His plans in Day of The Diesels rely on circumstance he could have hardly picked out.
  • Large and in Charge: He is the self elected head of the diesels by Day of the Diesels, and he's a warship diesel.
  • Large Ham: In both The Movie and Season 17.
  • Laughably Evil
  • Obviously Evil: He has a menacing claw on his roof.
  • The Other Marty: Boy, he suffered this throughout the years, and that doesn't count his English voices!
  • Silence, You Fool!: When his entourage are bickering in Day of the Diesels, he shouts them quiet. Also prominent in Thomas and The Magic Railroad.
  • Vile Villain, Saccharine Show: Compared to the actual series, where most of the bad guys were easily controlled by the Fat Controller, Diesel 10 in The Movie with his plans of destroying all steam engines is much more dangerous. Dialed back in later televised appearances, where he's more just a trouble making bully.
  • Well-Intentioned Extremist: Essentially the motivation for his actions in the CGI Series, he just wants the diesels to receive more attention since they always appear to be neglected, and he seems to apologize if he's made a mistake (i.e. giving the Steam Engines their own decorations since he ruined theirs thinking that the Dieselworks wouldn't have any decorations).


"Reminds me of a story."

Voiced by: Keith Wickham

A friendly dockyard diesel that works at Brendham Docks. Salty has lived through a lot in his life and has plenty of stories of his life at sea.


"Hi, Stephen. Thomas lost his puff and I'm trying to find it and...well, I thought that might be...the lost puff...up there..."

Voiced by: Steven Kynman

A soft-natured, if somewhat ditzy diesel who works with the Narrow Gauge engines in Blue Mountain Quarry. Friendly towards steamies, but tends to hang with a bad crowd.

  • Ascended Extra: Started as a Merchandise-Driven extra. Following "Blue Mountain Mystery" he's a recurring supporting character and has even been granted his own limelight episodes.
  • Attention Deficit... Ooh, Shiny!: Even worse than Thomas. Look at that duck!
  • Big Damn Heroes: In Blue Mountain Mystery, just as Diesel rats out Luke to the Fat Controller, Paxton arrives with Victor, who clears up everything.
  • Characterization Marches On: In his earliest appearances, Paxton was a background associate of the other diesels and often joined in heckling or tormenting other engines. "Blue Mountain Mystery" onward, his meek kindly persona is established.
  • Cloud Cuckoo Lander: Usually spacey, though he has occasional moments of clarity. He tries to warn Gordon to have his leaking boiler checked in "Gordon Runs Dry" for example.
  • Extreme Doormat: Though he will often ultimately draw the line when pushed into callous acts.
  • Kindhearted Simpleton
  • Minion with an F in Evil: To Diesel in "Blue Mountain Mystery". Also to Diesel 10 in "The Missing Christmas Decorations".
  • Nice Guy: "Blue Mountain Mystery" onward.
  • Toxic Friend Influence: Hangs around with other more antagonistic diesels. Diesel in particular has been shown able to manipulate him into doing immoral deeds.
    • Ends up playing this himself in "The Lost Puff" when he convinces Thomas to play on the damaged tracks. He is horrified when it causes an accident however.
  • Windmill Crusader: Seems to be a recurring pivot in his limelight episodes, Comically Missing the Point in some way or other and going on a wild goose chase, be it for "lost puffs" or disappearing diesels.

Other Diesels

  • Big Guy, Little Guy: Den and Dart, Den being the Big, and Dart the Little.
  • Big Ol' Unibrow: Norman.
  • Butt Monkey: Sidney, who spent two years on a hoist before getting new wheels.
  • Forgetful Jones: Sidney's known for being forgetful, even forgetting how long he's gone without his wheels.
  • Heterosexual Life-Partners: Den and Dart.
  • Kindhearted Simpleton Sidney.
  • Lazy Bum: Dennis.
  • Minion with an F in Evil: Sidney, similar to Paxton, seems pretty docile and somewhat simple, despite hanging around with the other more antagonistic diesels.
  • Nice Guy: Derek.
  • Non-Identical Twins: Dennis and Norman.
  • Polar Opposite Twins: Dennis and Norman. Norman wants to be Really Useful, but breaks down often. Meanwhile, Dennis works fine but is incredibly lazy. Dennis also has two eyebrows, while Norman has only one.
  • Put on a Bus: Dennis, who has not been in an episode since season 9, is mentioned to be Norman's twin. Also Sidney, having not been seen in any episodes between "Day of the Diesels" and "The Missing Christmas Decorations", spending two whole years unable to move because he lacked wheels.
    • Long Bus Trip: Derek, who first appeared in season 5 (and wasn't even named), and was last seen in a brief cameo in Calling All Engines.
  • Shown Their Work: Derek's basis is the BR Class 17, which was notorious for its poor cooling system.
  • The Slacker: Dennis.
  • Smug Snake: D261 in Bowled Out. His first words are "Not bad. At least you're all clean."
  • Those Two Guys: Den and Dart in seasons 15 and 16.

    The Steamworks 


"You've come to the right place my friend."

Voiced by: David Bedella (US/UK)

A Cuban narrow gauge engine, Victor transports parts all through the Steamworks, as well as giving orders and helping diagnose problems with engines who come in. As the only narrow gauge engine owned by the Fat Controller, Victor can sometimes leave the Steamworks to help the Skarloey Railway engines.

  • Cartoon Creature: He's based on a standard gauge engine, but re-scaled and modified to the same narrow gauge as the Skarloey Railway engines.
  • Dark and Troubled Past: While being sent to Sodor with Luke, the chains holding him to the ship came lose. As he didn't speak English at the time, nobody could understand him when he tried to warn them. So when Luke was being lifted off the ship, Victor was knocked into the sea.
  • Dashing Hispanic
  • Gadgeteer Genius
  • Nice Guy: He can be snarky at times, but otherwise is rather pleasant and tolerant of the other engines he helps.
  • The Smart Guy
  • Token Minority: The only Hispanic engine.

Kevin the Crane

"Sorry, boss. It was a slip of the 'ook

Voiced by: Kerry Shale (US), Matt Wilkinson (UK)

A three-wheeled mobile crane and Victor's assistant. Kevin is faster than Victor at delivering parts, except Kevin is extremely clumsy.

    Sodor Search and Rescue Team 


"We're the 'bells' of Sodor!"

Voiced by: Teresa Gallagher

A large tank engine with two water canons fitted on top of her tanks. Belle is the only girl of the rescue team, and the only steam engine.

  • Action Girl
  • Awesome, but Impractical: The water cannons on her tanks. Her appearance in Day of the Diesels even emphasizes this: she uses them to put out a fire, and has no water left to move under her own power. In real life, they wouldn't be allowed at all, as they would give her issues with steaming properly.
  • Cartoon Creature: While her basis is a real engine, and there have been engines fitted with water cannons before, Belle's additional modifications and bright paintwork make her look cartoonish compared to the rest of the cast.
  • Friendly Rival: With Flynn.
  • Odd Friendship: With Toby; the only reason she started talking to him was because they both have bells.
  • The Smurfette Principle: While not the only girl in the show, she's the only one in the rescue team.
  • Women Are Wiser: Belle doesn't let her emotions or fears get to her in terms of her fire-fighting duties, while Flynn's far more emotionally vulnerable.


"Ready for action!"

Voiced by: Glenn Wrage (US), Matt Wilkinson (UK)

A big, strong breakdown truck. Before joining the rescue team, he did odd jobs around the Island.

  • Ascended Extra: He was originally meant to be a major character in season 5, but due to poor planning, he ended up only as a background extra. In season 15 he finally got an episode, Stuck on You, and has made several minor appearances since.
  • The Blank: Ironically, the only time he was named before Series 15, his model had no face.
  • Catch Phrase: "Ready for action!"
  • Early-Bird Cameo: He appears briefly in the first episode of the fifth season before being introduced in the following episode.
  • Recurring Extra: Until season 15.
  • Suddenly Voiced: In season 15, ten seasons (a span of 13 years) after his debut.
  • Why Do You Keep Changing Jobs?: Prior to his debut episode, he has been seen doing countless other jobs, including rebuilding Great Waterton and Tidmouth Sheds, delivering engine and windmill parts, pulling the Chinese Dragon, clearing rubble, rescuing stranded vehicles, lowering boats into the sea...


"Full speed ahead!"

Voiced by: Keith Wickham

A life boat who came to Sodor during the construction of the rescue center.

  • Catch Phrase: "Full steam ahead!"
  • Demoted to Extra: He has done nothing of value since his introduction in Misty Island Rescue.
    • Recurring Extra: He's guaranteed at least a cameo if the Search and Rescue Center is ever visited.


Voiced by: Ben Small

A big, American red fire engine brought to Sodor based on Belle's suggestion. He has specialized wheels under his frame that allow him to travel on rails as well as the road.

  • Broken Ace: He's pretty efficient and charismatic under the right circumstance, however he is often harbored with insecurities and bumbling moments as much as every other engine on Sodor.
  • Drives Like Crazy: After spending so much time on the rails, Flynn has trouble getting used to the road again.
  • Eagleland
  • Friendly Rival: With Belle.
  • Heroic BSOD: Undergoes this in Too Many Fire Engines. Butch helps him snap out of it though.
  • Large Ham
  • Miles Gloriosus: His own insecurities have prevented him from doing his job properly on at least two occasions. Diesel has even called him out on not doing much rescuing.
    Diesel: You're never busy. You just stand around looking fancy!
    Flynn: ...I'm...I'm...waiting to be busy!

Harold the Helicopter

"I think railways are slow. Their not much use and quiet out of date."

Voiced by: Kerry Shale (US), Keith Wickham (UK), Kevin Frank (Magic Railroad)

Harold is owned by the coastguard on Sodor and lived at Dryaw airfield by Thomas' Branch Line before becoming part of the rescue team. When Harold first met Percy he stated that railways were "slow and out-of-date", but was proven wrong when Percy later beat him in a race.

  • Friendly Rival: To Percy, usually.
  • Heel-Face Turn: Was something of an antagonist in his first episode, but would later help rescue Thomas in The Runaway and helped Percy in Percy's Promise, and has since been portrayed in a positive light.
  • Jerk with a Heart of Gold: At first glance, Harold can come across as very blunt and vain. He always goes out of his way to help the engines however.
  • Large Ham
  • Small Name, Big Ego: The reason for his rivalry with Percy initially.
  • Vitriolic Best Buds: With Percy.


Voiced by: Glenn Wrage (US), Matt Wilkinson (UK)

A large, red steam crane. Rocky was thought of as "new-fangled nonsense" by Edward when he first arrived, but proved his worth after lifting Gordon back onto the rails after a serious accident.

  • The Big Guy
  • Fire-Forged Friends: With Edward; he thought Rocky to be "newfangled nonsense" when they first met, but teamed up to rescue Gordon after an accident.
  • Gentle Giant
  • The Leader: Something of one to the Rescue Team. He has a radio built into his cab that lets him hear orders from the Rescue Center and give orders to the rest of the team.

    Foreign Engines 


I am the duke and duchess' private engine, I take them everywhere."

Voiced by: Glenn Wrage (US), Matt Wilkinson (UK)
A private engine owned by the Duke and Duchess of Boxford, Gordon's distant cousin, and a snob that none of the Sodor engines can stand.

  • Attention Whore: Played up in Welcome, Stafford!.
  • Break the Haughty: Almost every appearance of him involves this.
  • Jerkass
  • Large Ham
  • Light Is Not Good: Although when compared to diesels, the steam engines are portrayed as friendly and reliable, Spencer is always portrayed in a negative light; a big-headed showoff that likes making the Sodor engines miserable. He outright reached villain status in Hero of the Rails, when he not only pestered and annoyed the Sodor engines, but also attempted to send Hiro to the smelter's yard, with no solid reason except to make Thomas miserable.
  • Not-So-Harmless Villain: In Hero of the Rails.
  • Pet the Dog: In "Spencer The Grand", he is humbled after getting lost in the fog, and helps Percy make his way back to the sheds.
  • The Rival: To Gordon and Thomas.
  • Shadow Archetype: To the other pompous tender engines, particularly Gordon. He's just as prideful and arrogant, but while the others have gained experience and made friends on Sodor, Spencer is an unpopular fool that looks his nose down on the others. Downplayed as his character softened slightly in later episodes.
  • Smug Snake
  • Upper-Class Twit


"My name is Hiro."

Voiced by: Togo Igawa

An old, wise engine who came from Japan many years ago. He debuted in Hero of the Rails, where Thomas found him hidden away in an old forest and had his friends help repair him. He has since made several minor appearances.

  • The Ace: He's not called the "Master of the Railway" for nothing.
    • Broken Ace: In Hiro Helps Out, he tries telling other engines what to do when The Fat Controller is busy, only to cause more confusion and delay.
  • But Now I Must Go: After setting things right at the end of Hero of the Rails, Hiro reveals that he misses his friends and homeland, and returns home with a big sendoff from his new friends...
  • Cool Old Guy
  • Demoted to Extra: While he still gets the odd spotlight episode, his appearances are more sparse.
  • Determinator: In Henry's Hero, he manages to deliver a massive quarry train to the docks on his own - a job originally for two engines - while dealing with a terrible case of bad coal.
  • Gentle Giant
  • Noble Fugitive
  • Token Minority: An especially profitable one; Hiro proved to be a favorite in Japan almost immediately.

Left to right: Dash, Ferdinand, Bash

The Logging Locos

"That's right!"

US voices: Kerry Shale (Bash), William Hope (Dash), Glenn Wrage (Ferdinand)
UK voices: Matt Wilkinson (Bash), Keith Wickham (Dash), Ben Small (Ferdinand)

A trio of oil and wood-burning steam engines. Bash, Dash and Ferdinand previously worked on the Mainland, but were relocated to Misty Island due to their poor behavior.

  • Annoying Laugh: Bash and Dash.
  • Catch Phrase: Ferdinand's is "That's right!"
  • Comic Trio
  • Finishing Each Other's Sentences: Bash and Dash. All the time.
    • Deconstructed in Toby and Bash; when Bash has to work with Toby for the day instead of Dash, has so much trouble finishing any of his sentences that Toby has to figure out what Bash is trying to say.
  • Gentle Giant: Ferdinand.
  • Identical Twin ID Tag: Bash's boiler, wheels, and lining are grey, while his cab and dome are yellow. Dash's colors are swapped. Also, Dash has freckles while Bash doesn't.
  • Mighty Glacier: Ferdinand is the biggest and strongest of the trio, but also the slowest.
  • Put on a Bus: Come season 17, the tunnel entrance to Misty Island is boarded up, and the rails in front have been pulled away. The last time the three were seen, they were back on Misty Island.
    • Later confirmed by one of the producers that the tunnel is NOT boarded up, so it's assume they'll be back...
  • Single-Minded Twins: So much so that when Bash and Dash are separated for too long, they get anxious and have trouble expressing themselves, as seen in Toby and Bash.
  • Trickster Twins
  • Youthful Freckles: Dash.

Connor and Caitlin

Voiced by: Jonathan Forbes (Connor), Rebecca O'Mara (Caitlin)

A pair of streamlined engines from the Mainland. Introduced in King of the Railway, they run the main express train between the two islands.

    Secondary Characters 

There are two ways of doing things: the Great Western way, or the wrong way.

Duck The Great Western Engine

"Beg pardon, sir..."

Voiced by: Steven Kynman

An ex-Great Western Railway tank engine, Duck came to Sodor to help out Percy at the Big Station. He demands order and discipline, and doesn't let bigger engines bully him. He eventually gets a branch line of his own, shared with Oliver.

  • Berserk Button: As Donald found out, he doesn't like it when he's told that he quacks like a duck as far as talking too much goes.
  • Big "Shut Up!": Says this to the trucks who were teasing Diesel in "Dirty Work" and then says this to Gordon, James, and Henry who were teasing Edward at the big station in "Edward's Exploit".
  • Break the Haughty: What Diesel pulls on him.
  • Bully Hunter: He stood up for Percy against the trio of Gordon, James, and Henry when he first arrived in Sodor.
  • Catch Phrase: "Beg Pardon Sir..."
  • Chuck Cunningham Syndrome: Suffered from this starting from the 8th season onward. This was almost reversed, as he reappeared in the 12th season, only to disappear again until the 17th season.
    • Demoted to Extra: Before he disappeared altogether, from when the show started deviating from the books. To be fair, he did suffer a smaller case of this in the original books as well.
  • Humiliation Conga: As if the trucks forcing him to crash into a barber shop wasn't enough, the angry owner decided to shave and lather him!
  • Karmic Trickster: Has a fondness for playing tricks on engines he finds conceited.
  • Misplaced Nationalism: Or at least something very like it. In his debut episode he's fond of claiming that there are two ways of doing things, "the Great Western way or the wrong way". Fortunately he got over it quite quickly.
  • Motor Mouth: The whole plotline of "Donald's Duck" kicked off after Donald told him to zip it.
  • Only Known by Their Nickname: His given name is 'Montague,' but most call him 'Duck,' after his tendency to waddle on the rails. Henry, Gordon, and James have quacked at him in the past.
  • Rightly Self Righteous: Duck boasts about his Great Western heritage, much to the annoyance of the rude and arrogant engines like Gordon, Henry, and James. However, as Duck puts it, "The Great Western Way" implies that he's a reliable engine who works hard and gets the job done without any complaints. Deconstructed in "The Thomas Way" when his stubbornness causes an accident and he has to compromise with Thomas.
  • Right Way/Wrong Way Pair: According to him, there's The Great Western Way and the wrong way. This was the main focus in The Thomas Way where he took on Thomas' option, now claiming there are three ways of doing things, but the Great Western Way is usually the best.
  • Small Name, Big Ego: Is very proud of his Great Western heritage, and very vocal about it.
    Duck: I'm a great Western and...
    Other Engines: And don't we know it!
  • The Bus Came Back: Disappeared after season 7, with only a few brief appearances in season 12, but now is back and co-starred a season 17 episode.
  • The West Country: His voice in the CGI series.

Donald and Douglas, the Scottish Twins

"There's merre comin' should yer misbehave" - Donald
"Don't mention scrap! it makes mah wheerls wobble!"

A pair of mixed-good twins, Donald and Douglas came from Scotland when the Fat Controller needed a goods engine. He planned to send one of them away, but after they proved how useful a team they make, he decided to keep both.

  • All There in the Manual: The Fat Controller only purchased engine #57646; as the twins arrived without numbers, he never knew which engine carried it. According to the Railway Series, It was Donald. Douglas was 57647, and if Donald had left him behind, he would've been scrapped.
  • Adaptation Dye-Job: In the books, they were painted blue after arriving at Sodor. With three blue engines already, the TV producers wisely decided to keep their more distinctive black paint.
  • Brother Chuck
  • Bully Hunter: Donald.
  • Identical Twin ID Tag: Their name plates and numbers.
  • Long Bus Trip: They were absent after the show went full CGI. Recent voice acting information however, has confirmed that they will be returning to the series.
  • Noble Fugitive
  • Scotland: Their leitmotif even has bagpipes in the background.
  • Single-Minded Twins: They have individual roles at times, but mostly retain the same personality.
  • Trigger: Do not like to talk about scrapping.
  • Trickster Twins: Notice that they are the almost the only characters labeled by name and number: Hatt specifically insisted on this after one too many Twin Switch gambits.
  • Violent Glaswegian: "Spite Douggie would ye? Take That!"

Bill and Ben the Quarry Engines

"You had a cough in your smokebox yesterday, it was your fault the diseasel came.
It isn't!
It is!"

A pair of twin tank engines that work on the quarry of Edward's branch line.

Oliver The Western Engine

"I don't feel good gracious-whatever it is. I just feel silly."

An ex-Great Western Railway tank engine that was supposed to be scrapped, but ran away to Sodor with his brake van, Toad. Thanks to Douglas, he's living a much happier life on Duck's branch line.

  • Acquired Situational Narcissism : In the episode Oliver Owns Up.
    • However, in Season 18, it seems to have returned with a vengeance, to the point where Toad is utterly fed up with hearing the story.
  • Break the Haughty: He gets a little too prideful in Oliver Owns Up, and end up bunker-down in a turntable well.
  • Chuck Cunningham Syndrome: Like Duck, he was absent from the 8th season until the 12th, where he managed to get two speaking roles before vanishing again. However, a trailer for the latest special, Tale of the Brave, shows that he will be finally returning to the show.
  • Does Not Know His Own Strength: The Fat Controller asks him if he suffers this after he pulls S.C.Ruffey apart. Subverted in that the train was too heavy for Oliver to pull in the first place, the trucks were holding back, and S.C.Ruffey's wood and frame were already rotten and rusted.
  • Noble Fugitive

Whiff and Scruff

"Hello, Toby. Why are you looking at old tin cans." - Whiff
"I'd rather be a really useful engine than a really shiny engine any day!" - Scruff

A pair of engines who work at Sodor's waste dump. Whiff (introduced in season 11) is a bespectacled, large green tank engine, while Scruff (introduced in season 14) is a small, boxy tank engine. They're both regularly filthy, but don't mind and enjoy their jobs.

  • Acquired Situational Narcissism: After getting a repaint, Scruff becomes terrified of getting dirty and instead tries to take other engines' jobs.
  • Catch Phrase: Scruff has one. "Let's get scrunching!"
  • Demoted to Extra: Scruff was relegated to the background for two seasons following his debut, but got some spotlight once season 17 aired.
  • Extreme Doormat: Whiff is constantly looked down on or left to do another engine's workload by himself, but remains almost obliviously kind and understanding.
  • Nerd Glasses: Whiff.
  • The Pig Pen


"It's meeeee!"

A lavender tank engine who idolizes Thomas and despite his annoyance of her following him, he started respecting her after helping him deliver the birthday post train to Alice at Hill Farm.


A red inspection vehicle, Winston looks like a convertible on rails. He's used by The Fat Controller for inspecting line conditions.

  • A Day in the Limelight: Wayward Winston.
  • Butt Monkey
  • Did You Just Punch Out Cthulhu?: One of the few characters to stand up to The Fat Controller. He forgets to put on Winston's brake, causing Winston to roll away unmanned. The Fat Controller scolds him after, but Winston calls him out on it.
  • Drives Like Crazy: Though it's not his fault. The Fat Controller simply can't handle him properly. When one of his assistants drives him in Happy Birthday, Sir!, he drives perfectly fine.
    • On the other hand in said episode, he tends to leave said driver in a bind by constantly heading back and forth searching for a present for The Fat Controller (eventually biffing into Thomas).

Other Engines

    The Skarloey Railway 

The Thin Controller/Mr. Percival

"You have caused delay and confusion!"

The Controller of the Skarloey Railway. Prior to his introduction in season 9, the railway was run by Sir Topham Hatt. His mode of transport is a red bicycle.

Tropes shared by the Skarloey Railway engines:

  • Adaptation Dye-Job: In the Railway Series books, all of the engines shared the same uniform livery. In the television series, they instead each got their own distinct colors.
    • Rheneas is a much more vermilion color than he is in The Railway Series. In Blue Mountain Mystery, he is briefly painted yellow with blue stripes.
    • Sir Handel and Peter Sam were originally blue and green, respectively, while working on the Mid Sodor Railway. While they're repainted in the books, they keep their colors in the TV series.
    • Rusty is dark grey in the books, but is orange on the show.
    • Duncan is red in the books, but yellow in the show.
  • Older than They Look: The main six engines are all based on real preserved engines on the Talyllyn Railway. Rusty is the youngest, built in 1957. Skarloey is the oldest, built in 1864.


"I'm ashamed of you!"

The first and oldest engine on the Skarloey Railway, named after a lake at one end of the line.

  • Cool Old Guy
  • Determinator
  • Old Master: Despite his small size and old age, he still works as hard as the younger engines, and is revered even by the standard gauge engines.
  • Out of Character: Oh dear.
    • Cowardly Lion: Played this role in seasons 10 and 11.
    • Depending on the Writer: Is he young or old? Brave or timid? It varies, although it's worth mentioning that he started as an old engine and was depicted as young later. As of season 16 onward, he's reverted back to his older persona.
    • The Eeyore: Usually this overlaps when he goes into Cowardly Lion territory, moping about his worthlessness.
    • Keet: While he was this in his youth, he slips in and out of this in the newer series.
    • Shrinking Violet: Had a hard time getting used to the Wharf in season 10.
  • Team Dad: Takes up this role in the recent seasons.


"I musn't stop between stations, the passengers wouldn't like it."

Named after a waterfall on the railway, Rheneas is the second engine on the Skarloey Railway.

Sir Handel/Falcon

"What a small shed! This won't do at all! We're much too smart for this old shack!"

A blue engine who worked with Peter Sam and Duke on the Mid-Sodor Railway.

Peter Sam/Stuart

I'm Peter Sam, I'm running this line, I'm Peter Sam, I'm running this line."

A green engine who worked with Sir Handel and Duke on the Mid-Sodor Railway. An accident with slate trucks destroyed his funnel, and he was given a special funnel as a replacement.


"I warned him, but all he did was call me names."

A little diesel brought to help out after Peter Sam's accident. He does maintenance work on the line, and does odd jobs when necessary.

  • Dark Is Not Evil: Despite being a diesel, he is quite friendly and helpful towards the steam engines.
  • Nice Guy
  • She's a Man in Japan: In season 9, Rusty was accidentally referred to as a girl. To be fair, in The Railway Series books, his gender was only mentioned once, and was never mentioned prior in the television series. An article in the New York Times from when season 4 was new revealed that Rusty was originally intended to be androgynous!
  • Spotlight-Stealing Squad: Was this seasons 5 through 7, and early in season 9. This was reprimanded with the return of Sir Handel and the introduction of Freddie the following season.
  • Token Diesel: He's the only diesel on the Skarloey Railway.
  • Vitriolic Best Buds: With Duncan.


What aboot me? A'm a plain speekin' engine and I beleeve in plain speekin'! Speek up!

An engine who came as a "spare" after Peter Sam's accident in the slate quarry. Duncan spends most of his time finding things to complain about. He used to bully Rusty for being a diesel, but they've since become good friends.


"That would never suit his grace."
An old, wise engine who was Peter Sam and Sir Handel's mentor on the Mid-Sodor Railway. When it was shut down, he was locked away in a shed. Decades later, his shed was discovered and he was brought to the Skarloey Railway.


"Listen, Dookie! Who worries about a few spills?"

A tank engine from Duke's story. He was a showoff who often derailed himself and never listened to Duke. He was converted into a steam generator and never heard from again.

  • American Accents: George Carlin gives him a New York accent.
    • Incidentally, Stanley, his counterpart from The Railway Series, was referred to as American (and based on a Baldwin 10-12-D engine), with his dialogue having evident slang.
  • And I Must Scream: His Fate.
  • Drives Like Crazy: Rode rough and often came off the rails.
  • Identical Stranger: He's the same prototype as Rheneas, introduced several episodes later.
  • Jerkass
  • Smug Smiler
  • What Happened to the Mouse?: He's last seen as a steam generator. Afterwards, the railway gets shut down, Stuart and Falcon leave, Duke is locked in his shed, and the railway becomes overgrown with a forest...and Smudger's fate is never mentioned.
    • Oddly, Japanese promotional material depicts him having been moved to the Skarloey Railway, still as a generator.


An engine found locked away at an abandoned mine that was later converted to a fairground.

Fearless Freddie

It's the man in the hills! Thomas, ye're found him."

An old warhorse tank engine who once worked with Sir Handel. Despite his age, he's constantly trying to prove he's still as good as any young engine.

Mighty Mac

"I'm Mighty!"
"And I'm Mac!"
"And together we're Mighty Mac!"

A double-ended Fairlie locomotive introduced in season 9. One end is Mighty, and the other is Mac.

  • The Big Guy
  • Body Horror: Well, as close as you'll get with a children's show about talking trains. Being an articulated Fairlie-type locomotive, both of them share the same body with each having a face at either end. They seem fine with it, though.
  • Conjoined Twins
  • Demoted to Extra: After their episode, they were quickly relegated to the background with only a few minor speaking roles.
  • Identical Twin ID Tag: For their faces, Mighty's hair curl and triangular nose and Mac's freckles and rounded nose acts as this. On their paintwork, Mighty has yellow tank caps and windows, while Mac's are red.
  • Polar Opposite Twins: Mac is younger and more hot-headed, Mighty is older and more conservative.
  • Red Oni, Blue Oni: Red Mac, Blue Mighty.
  • Those Two Guys
  • Youthful Freckles: Mac


"I did something very bad."

An engine introduced in Blue Mountain Mystery. He's a small, green pannier tank engine who lives and works at the Blue Mountain Quarry.

  • Cheerful Child: When he comes out of his shell.
  • Cowardly Lion: He can't stand up for himself at all.
  • Dark and Troubled Past: When he was getting lifted out of the ship that delivered him to Sodor, Victor fell off into the sea. Thinking it's his fault and that he killed another engine, he went into hiding at the Blue Mountain Quarry before Thomas and Victor eventually discovered and cleared his name.
  • Dark Secret: He killed another engine. Or so he thinks.
  • Friend to All Living Things: He's the most sincere and innocent of the narrow gauge engines, and even manages to befriend a deer that wanders into the quarry.
  • Kid-Appeal Character
  • Shrinking Violet: The shyest of the narrow gauge engines. Eventually warms up to Thomas though.
    • Downplayed after his Dark and Troubled Past is cleared up, after which he opened much more and is actually very boisterous and cheerful.



A tank engine owned by Earl of Sodor, introduced in King of the Railway. She lives on his estate, which connects to the Skarloey Railway.

  • Country Mouse
  • Does Not Know Her Own Strength: When she spends a day working at the Blue Mountain Quarry, she finds out she can handle much heavier loads than she realized.
  • Remember the New Guy: She explains that the Earl kept her locked in her shed while he was away, but she's been living on Sodor for years. Lampshaded by the other engines, who are surprised when they hear about her and say they've never met her before.
  • The Smurfette Principle: The first female narrow gauge engine.
  • Token Minority: The first French speaking engine.

    Non-rail Characters 

Bertie the Bus

"But to beat you over that hill, I'd have to grow wings and be an Aeroplane."

A bus Thomas met on his branch line. The two of them had a famous race from one end of the branch line to the other, in which Thomas won, earning Bertie's respect.

  • Bus Best Friend: Something of the vehicle equivalent of mixed race (or species) friendship at least.
  • Demoted to Extra: In recent years his appearances have become scarce, when he does show up, he's usually either avoiding an accident, or in need of rescue after getting stuck or breaking down.
  • Drives Like Crazy: Implied at times in the show where loud skids can be heard as he drives. He's obsessed with being faster than Thomas after all.
  • Fantastic Racism: Briefly in "Trust Thomas" after the engines fail to get tar for his broken roads, he labels them unreliable. He takes it back completely when Thomas gets this fixed.
  • Friendly Rival: His races with Thomas (though to prove the worth of their respective vehicles) are rather playful and in good fun.
  • Vitriolic Best Buds: Enjoys teasing Thomas, but all the same is charitable when he needs help.

Terrence the Tractor

"They're not ugly, they're caterpillars! I can go anywhere, I don't need rails

A tractor who Thomas meets on his branch line. Thomas finds his caterpillar treads to be unusual, until Terrence rescues him from a snowdrift.

Trevor the Traction Engine

"Oh yes, I like children."

An old, cheerful traction engine. He was found in a scrap yard by Edward, and was since purchased by the Vicar. He now lives on his orchard and gives rides to children.


" I shouldn't be treated like this! This pace is too hot for my system; it'll fuse all my circuits!"

An old-fashioned car owned by a cricketer. She prefers slow and leisurely runs throughout the countryside, as high speeds overheat her engine.

  • The Alleged Car: She's pushed to the point of overheating frequently.
  • Southern Belle: Given a Dixie accent in the American dub and is very polite to her driver.


"Bah! enjoyment is all you engines live for. One day railways will be ripped up!"

A double-decker bus who believed railways needed to be ripped up and replaced with roads. Ended up getting wedged under a bridge after stealing Duck's passengers and was left in a field to rot as a henhouse.

  • Adaptational Heroism: Reconstructed. While his role in the books is adapted pretty loyally, he undergoes a Heel-Face Turn in a later episode of the TV series.
  • Fantastic Racism: He was outright racist towards anything on rails in his debut.
  • Grumpy Bear: Prior to becoming a vegetable bus, he was always grumbling and complaining.
  • Hates Everyone Equally: Duck tries to reason with him by mentioning Bertie, but Bulgy thinks Bertie's worthless too.
  • Heel-Face Turn: When he became a vegetable bus.
  • Hoist by His Own Petard: He tried to beat Duck in a race by taking a shortcut - which involved him trying to drive under a bridge. The bridge isn't high enough, and he gets stuck underneath.
  • Jerkass: Until his Heel-Face Turn.
  • Manipulative Bastard: He gets a fake "Railway Bus" banner to steal Duck's passengers and doesn't accept their return tickets. His plan was to make the passengers think railway services were no good, but they quickly catch on.
  • Perpetual Frowner: Was this in his debut, but disappeared in Bulgy Rides Again.


"Railways are no good, turn 'em into roads. Pull 'em up, turn 'em into roads."

A steam roller who finds great joy in turning rails into roads.

Cranky the Crane

"You must of known my arm can't reach you there!"

A harbor crane who rarely gets any sleep and has a nasty attitude. He bullied Thomas and Percy when he first arrived, but after an accident involving a ship knocking him over, his attitude has (relatively) improved.


A mining machine bought to work at Boulder Quarry, but disappeared after setting a boulder loose.


Oh, it's you. have you learned to drive properly yet?

A vintage steam quarry truck, who ended up being abandoned in a shed. She was the Fat Controller's first truck, and upon discovering her, he immediately had her restored.

  • Deadpan Snarker
  • Did You Just Punch Out Cthulhu?: In her debut episode, she's the only character able to insult The Fat Controller without getting into trouble.
  • Fantastic Racism: Subverted. She may believe that roads are superior to rails, but she often helps the engines out when necessary.
  • Grumpy Bear
  • Jerkass: A bit downplayed. She's can come across as rude, cranky, and critical, especially when she advises Thomas to be careful with breaking his siderods.
    • Jerk with a Heart of Gold: Even with her condescending front, she is a loyal and hard worker, and reacts appropriately to good manners. Her treatment of Thomas also softens when he and Terence help her out of the snow following a crash.


A snub-nosed truck that works in the mountains near the Skarloey Railroad. She acts very motherly to the narrow gauge engines, even at the risk of her own well-being.

  • Drives Like Crazy: Done deliberately in Cool Truckings, when Duncan complains her drives are slow and boring.
  • Team Mom: To the narrow gauge engines, despite the fact she's younger than many of them.

Owen and Merrick

"Next stop - you're too heavy!" -Owen
"I think it's my nap time..." -Merrick

A pair of machines working at the Blue Mountain Quarry. Merrick is a crane with a set of rails, letting him move back and forth. Owen is a steam-powered incline, raising and lowering trucks up and down his platform. They debuted in Blue Mountain Mystery.

The Pack

"I'm Jack the front loader! I can load, and unload, and carry lots of things!" - Jack
"More help means more dirt; more dirt means more fun!" - Alfie
"Can't you take a joke?!" - Max
"Mind my paint!" - Isobella
"We're a crackin' crew!" - Kelly
"Look at that. A work of art!" - Byron
"I must be careful, I must be careful, I must be careful." - Ned
"My Beautiful concrete." - Patrick
"Vroom, Vroom." - Buster

A team of construction vehicles owned by Miss Jenny Packard. They are in charge of construction projects on Sodor. Members include Nelson the ballast tractor, Jack the front loader, Alfie and Oliver the excavators, Max and Monty the dump trucks, Kelly the crane, Byron the bulldozer, Ned the steam shovel, Isobella the steam lorry, Patrick the cement mixer, and Buster the steamroller.

     Rolling Stock 

Annie And Clarabel

"He's dreadfully rude, I feel quite ashamed. I feel quite ashamed. he's dreadfully rude."

Two of Thomas' coaches whom The Fat Controller rewarded him with for rescuing James.


"It's not fair at all!"

Toby's faithful coach who worked with him in their old railway.

  • The Blank: Initially.
  • Companion Cube: Gradually became this from the second season onward. This is no longer the case as of season 18.
  • The Quiet One: In the entire show's run, she has only spoken in one episode. Between seasons 1 and 3, her emotions were at least expressed to the viewer. In season 18, she gains a face and speaks freely.

Toad the Brake Van

"I'll always look foward to the future. Busy Going backwards."

Oliver's trusty brake van who escaped scrap with him. A very gentlemanly brake van (always referring to the engines as Mr. and Miss), he keeps Oliver's trucks in order, but can sometimes have spells of over-imagination.

  • A Day in the Limelight: "Busy Going Backwards" in season 5 and "Toad's Adventure" in Season 18.
  • Bully Hunter: Helped Oliver put the trucks in their place after they wouldn't stop teasing him.
  • The Jeeves: To Oliver, in a sense.
  • Verbal Tic: Tends to address people with the pronoun "Mr."

Troublesome Trucks/Foolish Freight Cars

Oh! Oh! Oh! We want a proper engine, not a red monster!

The rolling stocks who always annoys and plays tricks on the engines, mostly causing their accidents.

The Spiteful Brake Van

"He's cross! we'll try and make him crosser still! Hold back!"

A brake van who had caused trouble with Donald and Douglas when they first arrived on The Island of Sodor. He was then broken up by Douglas up on Gordon's Hill.
You can't. I'm essential.

S.C. Ruffey

"Oliver's no use at all;
Thinks he's very clever.
Says that he can manage us;
That's the best joke ever.
When he orders us about,
With the greatest folly,
We just push him down the well!
Pop goes old Ollie!"

A privately owned truck who had made fun of Oliver's accident with the turntable, but Oliver sought retribution later on.

Hector The Horrid

"Keep away!"

A black hopper who debuts as a troublesome truck yelling at the engines to keep away from him because he was afraid of the coal. Thomas had helped him overcome his fear and the two are in good terms.


The Crosby Barber

"No I won't! you frightened my customer! I'll teach you!" note 

The Station Master's wife

"You miserable engine! Just look what you've done to our breakfast! Now I shall have to cook some more!" note 

  • Comically Missing the Point: Chews out Thomas for ruining her breakfast and not for the safety of herself and her family while he crashed to the house.

Alicia Botti

"I can't possibly travel in coaches riddled with mice!"

Lady Hatt

"But i've been looking foward to the grand opening all week!"

Lady Hatt: "Well, thank you, my dear. I knew this was my special birthday party, but I didn't know it was fancy dress!"

The Ffarquhar Policeman

"The law is the law and we can't change it!"

  • Inspector Javert
  • Jerkass: Where do we begin? First he complains about Thomas whistling him a good morning, then calls him "dangerous to the public" and "regular law breaker" because he doesn't have cowcatchers or sideplates even though Thomas had been on the quarry route many times without a single fatality.
  • Knight Templar
  • Lawful Stupid
  • Laser-Guided Karma: Gets rang at and frightened by Toby.
  • Warts and All: Thomas expected him to be as kind as the previous one, but finds out that he was anything but.

     Thomas and the Magic Railroad 

Lady the Magic Engine

"And helping each other brings to life the magic in all of us."

A purple and gold tank engine who only appears in Thomas and the Magic Railroad and in a dream sequence in Calling All Engines. She runs the Magic Railroad that connects Shining Time to Sodor, and is the source of the Gold Dust required to keep Mr. Conductor and Sodor alive.

  • Cartoon Creature: She was designed by Britt Allcroft. While there IS a real-life engine that bears a close resemblance to her, it's really more coincidence than anything else.
  • The Chick: The only female engine in the film.
  • Cute Witch
  • Dark and Troubled Past: She was destroyed once by Diesel 10, and Burnett Stone kept her locked in Muffle Mountain, doing what he could to repair her.
  • Flat Character: Despite being a major point of The Movie, not much is known about her personality at all.

Splatter and Dodge

Splatter- "Actually it's just Splatter.
Dodge- "An-an Dodge."

Two of Diesel 10's bumbling sidekicks.

Mr. Conductor

"Sparkle, Sparkle Sparkle!"

A 20-centimeter tall man who lives in the signal house on the mural at Shining Time Station. He uses gold dust to travel between Shining Time and Sodor, and when his supply starts to run low, he needs to find the source of the magic. Played by Alec Baldwin.

Burnett Stone

"I just... don't seem to understand... how magic works..."
An old man who lives on Muffle Mountain and had the ownership of Lady passed down onto him. After Diesel 10 destroyed lady and his wife Tasha passed away, he lived in solitude, trying to make Lady steam again.

P.T. Boomer

"That makes two of us!"

The original antagonist of the film, who was cut after test screenings. He was Burnette's childhood rival, and was responsible for crashing Lady in the first place. He returns many years later, intending on getting rid of her for good.

  • Evil Old Folks
  • Driven by Envy/Green-Eyed Monster
  • Evil Is Petty: One cut scene had him respond to Billy Twofeathers not giving him answers by punching a flower basket that Mr. Conductor had watered earlier in the film. Another one had him harass a newspaper delivery boy because he was trying to find information on Burnett. On another level, he could be seen as this in general, as he intended to ruin the man who had stolen his love interest by destroying an engine he owned instead of going after the man himself.
  • The Bully
  • The Skeptic: When he first sees Thomas, he assumes he is just a gigantic toy. He also doesn't believe in the magic of Shining Time Station.
  • Vile Villain, Saccharine Show/Knight of Cerebus: The reason why he was cut was because the test audiences complained about how "scary" he was.

Lily Stone

"What is this stuff?"

ThunderCats (2011): Other CharactersCharacters/Western AnimationThe Tick

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