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Changed line(s) 164 (click to see context) from:
* BadBoss: Is a mild example of this. In ''Thomas and the Magic Railroad'', he tries to putt Splatter and Doge in their places by teaching them "how to stop being stupid", only to get coal dumped all over him.
to:
* BadBoss: Is a mild example of this. In ''Thomas and the Magic Railroad'', he tries to putt put Splatter and Doge Dodge in their places by teaching them "how to stop being stupid", only to get coal dumped all over him.
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* EvilCounterpart: To P. T. Boomer in ''Thomas and the Magic Railroad'', who serves as the Shining Time counterpart of Diesel 10. However, the two are both evil.
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* NeverMyFault: He tries lying to Splatter and Dodge when Mr. Conductor escapes his grasp.
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* BadBoss: Is a mild example of this. In ''Thomas and the Magic Railroad'', he tries to putt Splatter and Doge in their places by teaching them "how to stop being stupid", only to get coal dumped all over him.
* ButtMonkey: He gets his immediate comeuppance in at least two scenes of ''Magic Railroad'', one in which his claw malfunctions and another where he gets coal dumped all over him.
Changed line(s) 169 (click to see context) from:
* DependingOnTheWriter: He's either an evil, [[FantasticRacism deiselist]] brute who is out to destroy all steam engines, or simply a rude JerkWithAHeartOfGold who doesn't like "steamies" all that much but is still willing to help out when it counts (and when he can get something out of it for himself or for the other diesels.)
to:
* DependingOnTheWriter: He's either an evil, [[FantasticRacism deiselist]] dieselist]] brute who is out to destroy all steam engines, or simply a rude JerkWithAHeartOfGold who doesn't like "steamies" all that much but is still willing to help out when it counts (and when he can get something out of it for himself or for the other diesels.)
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* SurroundedByIdiots: His henchdiesels, ranging from Splatter and Dodge to Den and Dart are nowhere near as vicious nor as smart as he is.
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* FreudianExcuse: He discusses it in "Springtime for Diesel", saying how he doesn't feel that he should be nice to engines who aren't nice to him; evidently, on some level he's very well aware of how unfriendly he is, but is hurt by the fact that the other engines don't give him a chance to redeem himself, so he continues being mean [[ThenLetMeBeEvil since that's apparently what they expect of him.]]
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* TheBully: What he becomes in the new series. He gets the enjoyment of heckling and harassing other engines.
to:
* TheBully: What he becomes in the new series. He gets the enjoyment of heckling and harassing other engines, especially steam engines.
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* KindnessBall: In "Diesel's Special Delivery", he's inexplicably nice and doesn't brag about his superiority over steam engines.
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* GracefulLoser: His reaction to falling into a barge of sludge?
--> Huh. Oh, well. Nice of the year for a cruise. ''(laughs sadly)''
--> Huh. Oh, well. Nice of the year for a cruise. ''(laughs sadly)''
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Changed line(s) 49 (click to see context) from:
* NeverMyFault: Hates being reprimanded for his mistakes, and will always find a way to shift the blame onto other engines. This gets especially bad in season 23's "Diesel Do Right" where after he's punished by the Fat Controller for not doing his job correctly, rather than own up to his failure and work harder, he decides to trick Rebecca into doing the other diesels' jobs wrong.
to:
* NeverMyFault: [[CantTakeCriticism Hates being reprimanded for his mistakes, mistakes]], and will always find a way to shift the blame onto other engines. This gets especially bad in season 23's "Diesel Do Right" where after he's punished by the Fat Controller for not doing his job correctly, rather than own up to his failure and work harder, he decides to trick Rebecca into doing the other diesels' jobs wrong.
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* {{Jerkass}}
to:
* {{Jerkass}}{{Jerkass}}: Very smug and disrespectful to steam engines.
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* SmugSmiler: He wears one as seen in his image above.
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Changed line(s) 22 (click to see context) from:
* AntiHero[=/=]AntiVillain: In the HIT seasons.
to:
* AntiHero[=/=]AntiVillain: AntiHero [=/=] AntiVillain: In rare instances, he's portrayed as an engine that ''wants'' to do good work and be recognized for his talents, but doesn't know the HIT seasons.right way to do so and ends up hurting or upsetting others.
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* JokerImmunity: A G-rated example. In contrast to his ''Railway Series'' counterpart (who was sent packing the moment the Fat Controller could deduce he was the one spreading lies in the yard), Diesel is never sent away again or receives any severe punishment, despite all of the trouble he causes with no sign of reformation.
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Changed line(s) 31 (click to see context) from:
* DevilInPlainSight
to:
* DevilInPlainSightDevilInPlainSight: He's the most ObviouslyEvil character among the recurring cast, is willing to ruin jobs for glory or petty revenge, and any hint of possible reformation is gone by the next episode, yet he's still is allowed to live and work on the railway.
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* NeverMyFault: Hates being reprimanded for his mistakes, and will always find a way to shift the blame onto other engines. This gets especially bad in season 23's "Diesel Do Right" where after he's punished by the Fat Controller for not doing his job correctly, rather than own up to his failure and work harder, he decides to trick Rebecca into doing the other diesels' jobs wrong.
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Changed line(s) 151,152 (click to see context) from:
--> I can whatever I want! I'll get him too! With Pinchy!
to:
--> I can do whatever I want! I'll get him too! With Pinchy!
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* SuspiciouslySimilarSubstitute: To Splatter and Dodge from ''WesternAnimation/ThomasAndTheMagicRailroad''.
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Changed line(s) 24 (click to see context) from:
* ArcVillain: of the three-episode arc with Duck as the main protagonist: "Pop Goes the Diesel", "Dirty Work", and "A Close Shave", though he doesn't appear in the last one.
to:
* ArcVillain: of Of the three-episode arc with Duck as the main protagonist: "Pop Goes the Diesel", "Dirty Work", and "A Close Shave", though he doesn't appear in the last one.
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Changed line(s) 158 (click to see context) from:
* AffablyEvil: By the time of ''Day of the Diesels''.
to:
* AffablyEvil: By the time of ''Day of the Diesels''.Diesels'' where his evil ways are mostly put on the wayside in favor of him being [[JerkWithAHeartOfGold rude,]] but [[WellIntentionedExtremist just trying to look out for his diesel brethren.]]
Changed line(s) 161 (click to see context) from:
* CartoonCreature: While he's based on a real locomotive type, his claw is purely a fantasy creation with little to no practical use.
to:
* CartoonCreature: While he's based on a real locomotive type, his claw is purely a fantasy creation with little to no practical use. In fact, such a modification is actually a ''breach of regulations'' since it would make him unable to fit through standard-height tunnels.
Changed line(s) 164 (click to see context) from:
* DevilInPlainSight: The steam engines all can tell he's clearly evil, but the Fat Controller keeps him around for reasons unknown.
to:
* DependingOnTheWriter: He's either an evil, [[FantasticRacism deiselist]] brute who is out to destroy all steam engines, or simply a rude JerkWithAHeartOfGold who doesn't like "steamies" all that much but is still willing to help out when it counts (and when he can get something out of it for himself or for the other diesels.)
* DevilInPlainSight: The steam engines all can tell he's clearly evil, but the Fat Controller keeps him around for reasons unknown. [[DownplayedTrope Downplayed]] in the series, where he is still a devious schemer, but his attitude leans more towards {{Jerkass}}/JerkWithAHeartOfGold than than just outright evil.
* DevilInPlainSight: The steam engines all can tell he's clearly evil, but the Fat Controller keeps him around for reasons unknown. [[DownplayedTrope Downplayed]] in the series, where he is still a devious schemer, but his attitude leans more towards {{Jerkass}}/JerkWithAHeartOfGold than than just outright evil.
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Changed line(s) 7,8 (click to see context) from:
[[quoteright:320:https://static.tvtropes.org/pmwiki/pub/images/c86f0f026f4951fe36122467166e0ee1.jpg]]
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* AlliterativeName: His name in the marketing, '''D'''evious '''D'''iesel.
Changed line(s) 41 (click to see context) from:
* JerkWithAHeartOfGold: 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.
to:
* JerkWithAHeartOfGold: The newer series has played with this in "Diesel's Special Delivery".Delivery", and in the Arc-animated episodes "Diesel and the Ducklings" and "Springtime for Diesel". 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.
* ShipTease: He has some with Daisy in season 21. In "Springtime for Diesel", he feels guilty about bumping her and admits that he likes her while she's (pretending to be) asleep at the Dieselworks, and made a genuine effort to become her friend. At one point in "A Most Singular Engine", he blushes as he says her name.
Changed line(s) 75 (click to see context) from:
* NiceGuy
to:
* NiceGuy FlatCharacter: He's essentially just a diesel version of Edward.
* MeaningfulName: His name comes from his wheel configuration, Co-Bo.
* NiceGuy: He is once of the nicest diesels.
* MeaningfulName: His name comes from his wheel configuration, Co-Bo.
* NiceGuy: He is once of the nicest diesels.
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[[quoteright:185:https://static.tvtropes.org/pmwiki/pub/images/stightrope66_5759.png]]
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Changed line(s) 97,98 (click to see context) from:
* AscendedExtra: Only got a few stories to herself in the books.
* JerkWithAHeartOfGold --> {{Nice G|uy}}irl
* JerkWithAHeartOfGold --> {{Nice G|uy}}irl
to:
* AscendedExtra: Only got a few stories to herself in the books.
books, but has plenty of focus in the television series.
** She ends up playing an important role in ''WesternAnimation/HeroOfTheRails''. In an effort to prevent Spencer from finding out about Hiro, Thomas and Percy send him to the quarry and Mavis guides him to back up right underneath the operating slate hopper so he had to be taken for repairs at the Steamworks.
*JerkWithAHeartOfGold --> {{Nice G|uy}}irlCharacterDevelopment: She became more of a NiceGirl in season 6.
* TheConfidant: Plays this role to Salty in "Salty's Secret", where he tells her about how he feels he isn't fit to work at the quarry and longs for the sea.
* JerkWithAHeartOfGold: Started off as this in her debut season.
** She ends up playing an important role in ''WesternAnimation/HeroOfTheRails''. In an effort to prevent Spencer from finding out about Hiro, Thomas and Percy send him to the quarry and Mavis guides him to back up right underneath the operating slate hopper so he had to be taken for repairs at the Steamworks.
*
* TheConfidant: Plays this role to Salty in "Salty's Secret", where he tells her about how he feels he isn't fit to work at the quarry and longs for the sea.
* JerkWithAHeartOfGold: Started off as this in her debut season.
* NiceGirl: She eventually became this. She's also one of the most kind-hearted diesels.
* ShipTease: With Salty in his debut episode. Unlike Bill and Ben, she treated him with kindness, and served TheConfidant to him regarding his desire to be at sea.
* ShipTease: With Salty in his debut episode. Unlike Bill and Ben, she treated him with kindness, and served TheConfidant to him regarding his desire to be at sea.
Changed line(s) 102 (click to see context) from:
* {{Tomboy}}
to:
* {{Tomboy}}{{Tomboy}}: Compared to the other female engines, she's not feminine at all. In fact, the only feminine things about her appearance are her cowcatchers and sideplates, which kind of resemble a skirt or a dress.
* WhiteSheep: She is easily the most kind-hearted diesel on the show currently.
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[[quoteright:185:https://static.tvtropes.org/pmwiki/pub/images/snewwhistle30_4659.png]]
to:
* CoDragons: They play to role to Diesel, in the HIT Entertainment episodes anyways.
* FantasticRacism: Like Diesel, they seem to dislike steam engines, even trying to ''scrap'' Stepney.
* JerkWithAHeartOfGold: They have their moments. For example, they enjoyed Diesel's ducklings in "Diesel and the Ducklings", and in "Springtime for Diesel", they seemed genuinely concerned when they heard that Daisy might have to be scrapped if she can't be repaired.
Changed line(s) 135,136 (click to see context) from:
[[quoteright:185:https://static.tvtropes.org/pmwiki/pub/images/185px-diesel10_2038.png]]
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Changed line(s) 146 (click to see context) from:
* BigBad
to:
* BigBadBigBad: In ''WesternAnimation/ThomasAndTheMagicRailroad'', and ''WesternAnimation/DayOfTheDiesels''.
Changed line(s) 150 (click to see context) from:
* DevilInPlainSight: The steam engines all can tell he's clearly evil, but the Fat Controller keeps him around.
to:
* DemotedToExtra: He has disappeared from the series after season 17's "The Missing Christmas Decorations", for reasons unknown. Although, Pinchy does appear in an ImagineSpot in season 22's "What Rebecca Does", and Mattel still sees him as a lucrative character, seeing as he's merchandised to death despite not being on the show all that often.
* DevilInPlainSight: The steam engines all can tell he's clearly evil, but the Fat Controller keeps himaround.around for reasons unknown.
* DevilInPlainSight: The steam engines all can tell he's clearly evil, but the Fat Controller keeps him
* JerkWithAHeartOfGold: His characterization in ''WesternAnimation/CallingAllEngines''.
* TheDitz: He is easily distracted.
Changed line(s) 190 (click to see context) from:
* KindheartedSimpleton
to:
* KindheartedSimpletonKindheartedSimpleton: He is ditzy, but is one of the kindest diesels around.
Changed line(s) 213 (click to see context) from:
* FantasticRacism
to:
* FantasticRacismChuckCunninghamSyndrome: He hasn't been seen since "Bowled Out".
* FantasticRacism: Towards steam engines.
* FantasticRacism: Towards steam engines.
Changed line(s) 235 (click to see context) from:
* LazyBum
to:
* LazyBumChuckCunninghamSyndrome: He has not been in an episode since season 9 and ''WesternAnimation/TheGreatDiscovery'', but is mentioned to be Norman's twin.
* LazyBum: His main personality trait is his lazy work ethic.
* LazyBum: His main personality trait is his lazy work ethic.
Deleted line(s) 237 (click to see context) :
* PutOnABus: He has not been in an episode since season 9, but is mentioned to be Norman's twin.
Changed line(s) 252 (click to see context) from:
* BigOlUnibrow: Norman.
to:
* AscendedExtra: ''Somewhat'' in ''WesternAnimation/TheGreatRace'', where he nearly has a collision with Thomas.
* BigOlUnibrow:Norman.He has one.
* DemotedToExtra: He was introduced as a MerchandiseDriven character in ''WesternAnimation/DayOfTheDiesels'', and was promptly banished to background appearances with no speaking roles shortly afterwards.
* NiceGuy: In comparison to his twin, he is much kinder and more of a hard worker.
** He's even nice to the steam engines.
* BigOlUnibrow:
* DemotedToExtra: He was introduced as a MerchandiseDriven character in ''WesternAnimation/DayOfTheDiesels'', and was promptly banished to background appearances with no speaking roles shortly afterwards.
* NiceGuy: In comparison to his twin, he is much kinder and more of a hard worker.
** He's even nice to the steam engines.
Changed line(s) 267 (click to see context) from:
* ADayInTheLimelight: In ''Sidney Sings''.
to:
* ADayInTheLimelight: In ''Sidney Sings''.Sings'' and ''The Case of the Puzzling Parts''.
* AscendedExtra: He was promoted to the recurring cast in season 20, starring in his own episode, and has made many appearances since then.
* AscendedExtra: He was promoted to the recurring cast in season 20, starring in his own episode, and has made many appearances since then.
Changed line(s) 272,273 (click to see context) from:
* PutOnABus: He hasn't 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.
** TheBusCameBack: He eventually was promoted to the recurring cast in season 20, starring in his own episode.
** TheBusCameBack: He eventually was promoted to the recurring cast in season 20, starring in his own episode.
to:
* PutOnABus: He hasn't hadn't 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.
** TheBusCameBack: He eventually was promoted to the recurring cast in season 20, starring in his own episode.wheels.
** TheBusCameBack: He eventually was promoted to the recurring cast in season 20, starring in his own episode.
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Changed line(s) 11,12 (click to see context) from:
-->Voiced by: Michael Brandon (US; thirteenth - sixteenth seasons), Martin Sherman (US; King of the Railway - eighteenth season), Kerry Shale (UK; thirteenth season - present US; nineteenth season - present)
to:
-->Voiced by: Michael Brandon (US; thirteenth - sixteenth seasons), Seasons 13-16), Martin Sherman (US; King of the Railway - eighteenth season), Season 18), Kerry Shale (UK; thirteenth season Season 13 - present US; nineteenth season Season 19 - present)
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-->Voiced by: Teresa Gallagher, Jules de Jongh (US; Hero of the Rails - Blue Mountain Mystery)
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-->Voiced by: Teresa Gallagher, Gallagher (UK; Hero of the Rails - present, US; Season 17 - present), Jules de Jongh (US; Hero of the Rails - Blue Mountain Mystery)
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-->Voiced by: Kerry Shale ('Arry; Bert, fourteenth - sixteenth seasons), William Hope (Bert)
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-->Voiced by: Kerry Shale ('Arry; ('Arry, Season 14-present; Bert, fourteenth - sixteenth seasons), Seasons 14-16), William Hope (Bert)
(Bert, Season 17-present)
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-->Voiced by: Neil Crone (''WesternAnimation/ThomasAndTheMagicRailroad''), Matt Wilkinson
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-->Voiced by: Neil Crone (''WesternAnimation/ThomasAndTheMagicRailroad''), Matt Wilkinson
Wilkinson (''Day of the Diesels'' - present)
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Changed line(s) 126 (click to see context) from:
* {{Jerkass}}es
to:
* {{Jerkass}}es{{Jerkass}}es: They're terribly rude, rough, and antagonize the engines just as much as Diesel does.
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* {{Foil}}: Both him and Diesel are both Class 08's, and Paxton is simply the kind, yet ditzy counterpart to the callous and manipulative Diesel.
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to:
* ADayInTheLimelight: In ''Sidney Sings''.
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** TheBusCameBack: He eventually was promoted to the recurring cast in season 20, starring in his own episode.
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* EvilWearsBlack: He has black paint and he's a huge jerk.
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Changed line(s) 64,65 (click to see context) from:
--> Number: D2, Originally D5705
to:
--> Number: D2, Originally D5705
D5702
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Changed line(s) 72 (click to see context) from:
* ChuckCunninghamSyndrome: His last appearance was in "Double Teething Troubles" from season 5.
to:
* ChuckCunninghamSyndrome: His In the television series, his last appearance was in Season 5's "Double Teething Troubles" from season 5.Troubles". He has made cameos in various Thomas Creator Collective videos since.
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* VillainDecay: In "Stepney Gets Lost", they take great glee in [[spoiler:almost]] scrapping Stepney. This murderous depiction was never seen again in the series proper, which instead reduced the characters to mere bullies.
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* RedBaron: In promotional material, he is often referred to as "Devious Diesel". Within the show itself, this nickname is rare, but not completely unheard of.
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Changed line(s) 19 (click to see context) from:
* AdaptationalVillainy: 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 [[FantasticRacism having all steamies sent to the scrapyard]]. He tamed closer to the books' version in the HiT seasons.
to:
* AdaptationalVillainy: 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 [[FantasticRacism having all steamies sent to the scrapyard]]. He tamed closer to the books' version in the HiT [=HiT=] seasons.
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* AesopAmnesia: No matter how many times he learns about being nice to other engines, he'll soon return to his bullying ways.
* AttackHello: In "Springtime for Diesel", his way of saying "hello" is by deliberately bumping into other engines.
Changed line(s) 25 (click to see context) from:
* TheBully: What he becomes in the new series.
to:
* TheBully: What he becomes in the new series. He gets the enjoyment of heckling and harassing other engines.
Changed line(s) 38,39 (click to see context) from:
** JerkWithAHeartOfGold: 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. [[https://www.youtube.com/watch?v=kVjAd9DugGw See for yourself.]]
*** Even before the CGI series, there was what ended up happening in Emily & The Special Coaches. [[https://www.youtube.com/watch?v=kVjAd9DugGw See for yourself.]]
to:
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* EvilCannotComprehendGood: He couldn't understand why Paxton would help him after one of his pranks, nor could he comprehend Daisy and Harvey's OddFriendship (Which [[{{Irony}} he himself instigated]])
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magnificent bastard is ymmv
Changed line(s) 47 (click to see context) from:
* SmugSnake: Starts off a MagnificentBastard in his debut but then degenerates into this when he pulls more short sighted schemes to get rid of the steamies.
to:
* SmugSnake: Starts off a MagnificentBastard in his debut but then degenerates into this when he He pulls more short sighted schemes to get rid of the steamies.
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* SmugSnake: Pulls short sighted schemes to get rid of the steamies.
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* SmugSnake: Pulls Starts off a MagnificentBastard in his debut but then degenerates into this when he pulls more short sighted schemes to get rid of the steamies.
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* BrilliantButLazy: Unlike Norman who wants to be useful but breaks down, Dennis can work perfectly fine but can't be arsed.
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* UngratefulBastard: When Duck [[BigShutUp stands up for Diesel]] when the trucks were [[TheVillainSucksSong singing a rude song]], he blames Duck for, ahem, 'making the trucks laugh at him'.
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Changed line(s) 1 (click to see context) from:
Back to the [[Character/ThomasTheTankEngine Main Page]].
to:
Back to the [[Character/ThomasTheTankEngine [[Characters/ThomasTheTankEngine Main Page]].
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Back to the [[Character/ThomasTheTankEngine Main Page]].
----
[[foldercontrol]]
[[folder:Diesel]]
[[quoteright:320:http://static.tvtropes.org/pmwiki/pub/images/c86f0f026f4951fe36122467166e0ee1.jpg]]
--> "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: Michael Brandon (US; thirteenth - sixteenth seasons), Martin Sherman (US; King of the Railway - eighteenth season), Kerry Shale (UK; thirteenth season - present US; nineteenth season - present)
--> Basis: British Railways Class 08 0-6-0DM
--> Built: 1952
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.
* AdaptationalVillainy: 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 [[FantasticRacism having all steamies sent to the scrapyard]]. He tamed closer to the books' version in the HiT seasons.
* AntiHero[=/=]AntiVillain: In the HIT seasons.
* ArchEnemy: Though antagonistic to almost everyone, he seems to direct most of his enmity and rivalry towards Thomas in the HIT seasons. His main enemy in his initial appearances was Duck.
* ArcVillain: of the three-episode arc with Duck as the main protagonist: "Pop Goes the Diesel", "Dirty Work", and "A Close Shave", though he doesn't appear in the last one.
* AscendedExtra: He appeared in one novel of ''Literature/TheRailwaySeries'' and a standalone story by Christopher Awdry. In the show (especially in later HIT seasons), he makes regular appearances and is a key antagonist.
* BitchInSheepsClothing: In his debut episode "Pop Goes the Diesel" where he effortlessly charms the other engines into believing he's a nice guy then reveals his true colours in the next episode.
* TheBully: What he becomes in the new series.
* DarkMessiah: 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 DarkAndTroubledPast, he convinces Paxton he is dangerous and must be gotten rid of.
* DevilInPlainSight
* DoesNotKnowHowToSayThanks: In "Disappearing Diesels". He settles for a [[TheUnSmile friendly smile]] instead.
* ADogNamedDog: A diesel named Diesel.
* EstablishingCharacterMoment: In his introductory episode, in which after smoothly flattering all the other engines, he says the above quote to Duck about how diesels "don't need to learn" and are "revolutionary".
* FantasticRacism: To the steam engines.
* {{Flanderization}}: Diesel saw diesels as revolutionary originally, but it was not his main vendetta against the steam engines, and he was rather shrewd and manipulative in his antics. Shortly into the TV made episodes however, Diesel became a more outspoken bully and exaggeratedly racist towards steamies. The current episodes seem to be toning him back down, even if he is still a much more obnoxious heckler than initially.
* TheHeckler: Sure to be found making fun of whatever the spotlighted engine is doing, often triggering their insecurities.
* HiddenHeartOfGold: Played with in "Diesel and the Ducklings". He thinks that diesels should be rough and tough, but shows his soft side towards some ducklings.
* {{Jerkass}}: The most prominent one of the show.
** JerkWithAHeartOfGold: 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. [[https://www.youtube.com/watch?v=kVjAd9DugGw See for yourself.]]
*** Since HIT's takeover over the show, Diesel tends to get a PetTheDog moment roughly OnceASeason. His antagonism towards the other engines is also more petty and he will occasionally admit a begrudged respect for steamies such as Thomas.
* KarmaHoudini: Though this is [[LaserGuidedKarma 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. He is sometimes shown getting away with minor heckling as well, especially if the engine he victimizes [[KickTheSonOfABitch isn't acting saintly either]].
* KickTheSonOfABitch: Sometimes Diesel's heckling is directed towards haughty engines or even ones that bite first. FantasticRacism is a prominent issue among many steamies and diesels, Diesel's just one of the worst cases.
* ManipulativeBastard: Renowned for this, most infamously 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. Despite being found out and punished, he still somehow manages to smooth talk engines into trusting him (eg. convincing a lonely Percy into helping the Dieselworks in "Day Of The Diesels", or sweet talking Mavis into doing odd jobs in "Thomas The Quarry Engine").
* ObviouslyEvil: 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 NiceGuy.
* OffscreenKarma: 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.
* OutOfCharacterMoment: "Diesel's Special Delivery", in which Diesel broods over not getting clapped and cheered by children as much as James does.
* PetTheDog: One episode per season, before he snaps back into his usual JerkAss personality.
* SmugSnake: Pulls short sighted schemes to get rid of the steamies.
* TeamRocketWins: Sometimes gets to pull specials and look splendid at last. "Diesel's Special Delivery" for example. "The Railcar and the Coaches" also ends with him temporarily taking over Thomas' branch line after Annie and Clarabel misbehave.
* VisionaryVillain: Started off as one, with it returning every now and then.
--> '''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!"
* WorthyOpponent: He displays some begrudged respect for some of the steamies, most often [[ArchEnemy Thomas]].
[[/folder]]
[[folder:[=BoCo=]]]
[[quoteright:185:http://static.tvtropes.org/pmwiki/pub/images/185px-wrongroad18_4745.png]]
--> "Stop! You're making me giddy!"
--> Number: D2, Originally D5705
--> Basis: British Railways Class 28 Co-Bo
--> Built: 1958
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.
* ChuckCunninghamSyndrome: His last appearance was in "Double Teething Troubles" from season 5.
* DarkIsNotEvil: 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.
* NiceGuy
* ReusedCharacterDesign: His faceplates are the same as Daisy, sans eyelashes and makeup.
* TeamDad: To Bill and Ben.
* YoungerThanTheyLook: Despite keeping Bill and Ben in order. He is in fact 10 years younger than the twins.
[[/folder]]
[[folder:Mavis]]
[[quoteright:185:http://static.tvtropes.org/pmwiki/pub/images/stightrope66_5759.png]]
--> "If we use the teensiest bit of Toby's line, we can save all this bother."
-->Voiced by: Teresa Gallagher, Jules de Jongh (US; Hero of the Rails - Blue Mountain Mystery)
--> Number: Fharquay Quarry 1
--> Basis: British Railways Class 04 0-6-0DM
--> Built: 1962
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.
* AscendedExtra: Only got a few stories to herself in the books.
* JerkWithAHeartOfGold --> {{Nice G|uy}}irl
* MouthyKid: Started off arrogant and refused to follow Toby's orders. She tamed after her re-innovations to how things worked caused serious problems.
* TheSmurfettePrinciple: Until the movie, she and Daisy were the only female engines, neither of whom appeared very often.
* TeamMom: Was this occasionally with Bill and Ben, but now plays this role with most other engines.
* {{Tomboy}}
* TookALevelInKindness: The show mellowed her out significantly so she is often the prime WhiteSheep of the diesel ensemble.
* YoungerThanTheyLook: Compared to her later TeamMom persona. Especially noticeable in the Japanese dub, where she has a rather high pitched and childlike voice.
[[/folder]]
[[folder:'Arry and Bert]]
[[quoteright:185:http://static.tvtropes.org/pmwiki/pub/images/snewwhistle30_4659.png]]
--> "Got you this time, Stepney. You'll make very fine scrap indeed. Buffer 'im, Bert!"
-->Voiced by: Kerry Shale ('Arry; Bert, fourteenth - sixteenth seasons), William Hope (Bert)
--> Basis: British Railways Class 08 0-6-0DM
--> Built: 1952/1962
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 smelt down the steam engines for good.
* AffablyEvil: Over the years they've become less evil, but remain bullies toward the steam engines.
* {{The Bull|y}}ies: Like Diesel, they are obnoxious hecklers to the steam engines.
* CreepyTwins: Played this role in ''Stepney Gets Lost'', but have been toned down later on.
* DemotedToDragon: They often tend to work alongside Diesel in the Hit episodes.
* IdenticalTwinIDTag: Bert has stubble, while 'Arry's clean-shaven.
* {{Jerkass}}es
* KarmaHoudini: In their earliest appearances, they actually got away with harassing the other engines and getting them into trouble. Usually subverted in later seasons, though like Diesel, they sometimes still get a free pass for petty heckling, ([[KickTheSonOfABitch especially towards an equally obnoxious engine]]).
* PermaStubble: Bert.
* SingleMindedTwins
* ThoseTwoBadGuys
[[/folder]]
[[folder:Diesel 10]]
[[quoteright:185:http://static.tvtropes.org/pmwiki/pub/images/185px-diesel10_2038.png]]
--> I can whatever I want! I'll get him too! With Pinchy!
-->Voiced by: Neil Crone (''WesternAnimation/ThomasAndTheMagicRailroad''), Matt Wilkinson
--> Basis: British Railways Class 42 'Warship'
The major antagonist of ''WesternAnimation/ThomasAndTheMagicRailroad''. 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.
* AffablyEvil: By the time of ''Day of the Diesels''.
* BigBad
* BrooklynRage: In TheMovie, an odd contrast to his smooth EvilBrit voice in later appearances.
* CartoonCreature: While he's based on a real locomotive type, his claw is purely a fantasy creation with little to no practical use.
* CheatedAngle: In the model series, his nose is tilted more towards his left eye. This was averted when the CGI series came.
* DevilInPlainSight: The steam engines all can tell he's clearly evil, but the Fat Controller keeps him around.
* DisneyVillainDeath: Not a death per se, but his demise is brought around by falling off a viaduct.
* ADogNamedDog: He's a diesel who's name is Diesel, but he has a number to distinguish himself from the ''other'' Diesel.
* EstablishingCharacterMoment: In TheMovie, he roars through as station, kicking up dust shouting "Get outta my way! I have unfinished business here and I wanna finish it FAST!" He also leaves ''[[TheBigGuy Gordon]]'', of all engines, shaking in fear.
* EvilBrit: In the US dub of the television series, due to keeping his voice from the UK series.
* EvilLaugh
* ForTheEvulz: Dumping sneezing powder all over Tidmouth Sheds Yards has got to be this.
* GambitRoulette: His plans in Day of The Diesels rely on circumstance he could have hardly picked out.
* ICallItVera: He calls his claw "Pinchy".
* LargeAndInCharge: He is the self elected head of the diesels by Day of the Diesels, and he's a warship diesel.
* LargeHam: In both TheMovie and Season 17.
* LaughablyEvil
* TheNicknamer: He calls Splatter and Dodge collectively "Splodge", because he "ain't got time to say both names". He calls his claw "Pinchy", Thomas "Puffball", Toby "Teapot", the rest of the steam engines "Tin Kettle", and Mr. Conductor and Sidney "Twinkle Toes".
* ObviouslyEvil: He has a menacing claw on his roof.
* SilenceYouFool: When his entourage are bickering in Day of the Diesels, he shouts them quiet. Also prominent in ''WesternAnimation/ThomasAndTheMagicRailroad''.
* VileVillainSaccharineShow: Compared to the actual series, where most of the bad guys were easily controlled by the Fat Controller, Diesel 10 in TheMovie 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.
* WellIntentionedExtremist: 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).
[[/folder]]
[[folder:Paxton]]
[[quoteright:185:http://static.tvtropes.org/pmwiki/pub/images/185px-gordonrunsdry9_42.png]]
--> "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
--> Basis: British Railways Class 08 0-6-0DM
--> Built: 1952/1962
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.
* AscendedExtra: Started as a MerchandiseDriven extra. Following "Blue Mountain Mystery" he's a recurring supporting character and has even been granted his own limelight episodes.
* AttentionDeficitOohShiny: Even worse than Thomas. Look at that duck!
* BigDamnHeroes: In ''Blue Mountain Mystery'', [[spoiler:just as Diesel rats out Luke to the Fat Controller, Paxton arrives with Victor, who clears up everything.]]
* CharacterizationMarchesOn: 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.
* CloudCuckooLander: 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.
* ExtremeDoormat: Though he will often ultimately draw the line when pushed into callous acts.
* KindheartedSimpleton
* MinionWithAnFInEvil: To Diesel in "Blue Mountain Mystery". Also to Diesel 10 in "The Missing Christmas Decorations".
* NiceGuy: "Blue Mountain Mystery" onward.
* ToxicFriendInfluence: Hangs around with other more antagonistic diesels. [[ADogNamedDog 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.
* WindmillCrusader: Seems to be a recurring pivot in his limelight episodes, ComicallyMissingThePoint in some way or other and going on a wild goose chase, be it for "lost puffs" or disappearing diesels.
[[/folder]]
[[folder:The Diesel (D261)]]
[[quoteright:250:http://static.tvtropes.org/pmwiki/pub/images/e8e7a966b16355d3b7f3faa1e9709b36.png]]
-->"Not bad. I've seen worse. At least you're all clean."
--> Number: D261/D4701 (Book only)
--> Basis: British Railways Class 40 1Co-Co1
--> Built: 1958/1962
A diesel who was sent to Sodor to help the engines, but insults them by saying they were out of date. He gets his comeuppance as he breaks down by an inspector's bowler hat. The Diesel crept away and leaves behind "a rather nasty smell and a battered bowler hat".
* ADogNamedDog: Yet another diesel who has Diesel for a name. Unlike both of the previous diesels sharing his name, however, this one does have D261 as a distinct alternate name.
* FantasticRacism
* {{Jerkass}}
* LaserGuidedKarma: Breaks down due to the inspector's bowler hat.
* TheReasonYouSuckSpeech: Gives one to the engines, calling them out of date, which enraged them.
* SmugSnake: In ''Bowled Out'', his first words are "[[FantasticRacism Not bad. At least you're all clean.]]"
[[/folder]]
[[folder:Dennis]]
[[quoteright:250:http://static.tvtropes.org/pmwiki/pub/images/b4e6c4df222a009469790edf3210c8a2.png]]
-->"...I'm a really lazy engine..."
--> Number: 11001
--> Basis: Bulleid No. 11001 0-6-0DM
--> Built: 1949
A diesel who is lazy. He takes advantage of Thomas by letting him do his work for him, but after he reversed into a ditch, he learns his lesson, and with the help of Thomas, he gets his work done, and promises to be a Really Useful Engine. He has a twin named Norman.
* LazyBum
* PolarOppositeTwins: Him 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.
* PutOnABus: He has not been in an episode since season 9, but is mentioned to be Norman's twin.
* TheSlacker
* TakingAdvantageOfGenerosity: Does this to Thomas who is having a day off.
[[/folder]]
[[folder:Norman]]
[[quoteright:250:http://static.tvtropes.org/pmwiki/pub/images/51a6c597458d503b38cedc606147f82f.jpg]]
-->Voiced by: Keith Wickham
--> Basis: Bulleid No. 11001
An orange-red Diesel and is Dennis's twin.
* BigOlUnibrow: Norman.
* PolarOppositeTwins: Him and Dennis. Unlike Dennis who works fine, but is very lazy, Norman wants to be Really Useful, but breaks down often. While Dennis has two eyebrows, Norman has only one.
[[/folder]]
[[folder:Sidney]]
[[quoteright:250:http://static.tvtropes.org/pmwiki/pub/images/5ddb6c7e98c24d5fec87987dc4bb5e04.png]]
-->"What about me? I'm a decoration!"
-->Voiced by: Bob Golding
--> Basis: British Railways Class 08 0-6-0DM
--> Built: 1952/1962
* ButtMonkey: He spent two years on a hoist before getting new wheels.
* ForgetfulJones: Sidney's known for being forgetful, even forgetting how long he's gone without his wheels.
* KindheartedSimpleton
* MinionWithAnFInEvil: Much like Paxton, he seems pretty docile and somewhat simple, despite hanging around with the other more antagonistic diesels.
* PutOnABus: He hasn't 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.
[[/folder]]
----
[[foldercontrol]]
[[folder:Diesel]]
[[quoteright:320:http://static.tvtropes.org/pmwiki/pub/images/c86f0f026f4951fe36122467166e0ee1.jpg]]
--> "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: Michael Brandon (US; thirteenth - sixteenth seasons), Martin Sherman (US; King of the Railway - eighteenth season), Kerry Shale (UK; thirteenth season - present US; nineteenth season - present)
--> Basis: British Railways Class 08 0-6-0DM
--> Built: 1952
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.
* AdaptationalVillainy: 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 [[FantasticRacism having all steamies sent to the scrapyard]]. He tamed closer to the books' version in the HiT seasons.
* AntiHero[=/=]AntiVillain: In the HIT seasons.
* ArchEnemy: Though antagonistic to almost everyone, he seems to direct most of his enmity and rivalry towards Thomas in the HIT seasons. His main enemy in his initial appearances was Duck.
* ArcVillain: of the three-episode arc with Duck as the main protagonist: "Pop Goes the Diesel", "Dirty Work", and "A Close Shave", though he doesn't appear in the last one.
* AscendedExtra: He appeared in one novel of ''Literature/TheRailwaySeries'' and a standalone story by Christopher Awdry. In the show (especially in later HIT seasons), he makes regular appearances and is a key antagonist.
* BitchInSheepsClothing: In his debut episode "Pop Goes the Diesel" where he effortlessly charms the other engines into believing he's a nice guy then reveals his true colours in the next episode.
* TheBully: What he becomes in the new series.
* DarkMessiah: 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 DarkAndTroubledPast, he convinces Paxton he is dangerous and must be gotten rid of.
* DevilInPlainSight
* DoesNotKnowHowToSayThanks: In "Disappearing Diesels". He settles for a [[TheUnSmile friendly smile]] instead.
* ADogNamedDog: A diesel named Diesel.
* EstablishingCharacterMoment: In his introductory episode, in which after smoothly flattering all the other engines, he says the above quote to Duck about how diesels "don't need to learn" and are "revolutionary".
* FantasticRacism: To the steam engines.
* {{Flanderization}}: Diesel saw diesels as revolutionary originally, but it was not his main vendetta against the steam engines, and he was rather shrewd and manipulative in his antics. Shortly into the TV made episodes however, Diesel became a more outspoken bully and exaggeratedly racist towards steamies. The current episodes seem to be toning him back down, even if he is still a much more obnoxious heckler than initially.
* TheHeckler: Sure to be found making fun of whatever the spotlighted engine is doing, often triggering their insecurities.
* HiddenHeartOfGold: Played with in "Diesel and the Ducklings". He thinks that diesels should be rough and tough, but shows his soft side towards some ducklings.
* {{Jerkass}}: The most prominent one of the show.
** JerkWithAHeartOfGold: 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. [[https://www.youtube.com/watch?v=kVjAd9DugGw See for yourself.]]
*** Since HIT's takeover over the show, Diesel tends to get a PetTheDog moment roughly OnceASeason. His antagonism towards the other engines is also more petty and he will occasionally admit a begrudged respect for steamies such as Thomas.
* KarmaHoudini: Though this is [[LaserGuidedKarma 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. He is sometimes shown getting away with minor heckling as well, especially if the engine he victimizes [[KickTheSonOfABitch isn't acting saintly either]].
* KickTheSonOfABitch: Sometimes Diesel's heckling is directed towards haughty engines or even ones that bite first. FantasticRacism is a prominent issue among many steamies and diesels, Diesel's just one of the worst cases.
* ManipulativeBastard: Renowned for this, most infamously 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. Despite being found out and punished, he still somehow manages to smooth talk engines into trusting him (eg. convincing a lonely Percy into helping the Dieselworks in "Day Of The Diesels", or sweet talking Mavis into doing odd jobs in "Thomas The Quarry Engine").
* ObviouslyEvil: 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 NiceGuy.
* OffscreenKarma: 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.
* OutOfCharacterMoment: "Diesel's Special Delivery", in which Diesel broods over not getting clapped and cheered by children as much as James does.
* PetTheDog: One episode per season, before he snaps back into his usual JerkAss personality.
* SmugSnake: Pulls short sighted schemes to get rid of the steamies.
* TeamRocketWins: Sometimes gets to pull specials and look splendid at last. "Diesel's Special Delivery" for example. "The Railcar and the Coaches" also ends with him temporarily taking over Thomas' branch line after Annie and Clarabel misbehave.
* VisionaryVillain: Started off as one, with it returning every now and then.
--> '''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!"
* WorthyOpponent: He displays some begrudged respect for some of the steamies, most often [[ArchEnemy Thomas]].
[[/folder]]
[[folder:[=BoCo=]]]
[[quoteright:185:http://static.tvtropes.org/pmwiki/pub/images/185px-wrongroad18_4745.png]]
--> "Stop! You're making me giddy!"
--> Number: D2, Originally D5705
--> Basis: British Railways Class 28 Co-Bo
--> Built: 1958
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.
* ChuckCunninghamSyndrome: His last appearance was in "Double Teething Troubles" from season 5.
* DarkIsNotEvil: 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.
* NiceGuy
* ReusedCharacterDesign: His faceplates are the same as Daisy, sans eyelashes and makeup.
* TeamDad: To Bill and Ben.
* YoungerThanTheyLook: Despite keeping Bill and Ben in order. He is in fact 10 years younger than the twins.
[[/folder]]
[[folder:Mavis]]
[[quoteright:185:http://static.tvtropes.org/pmwiki/pub/images/stightrope66_5759.png]]
--> "If we use the teensiest bit of Toby's line, we can save all this bother."
-->Voiced by: Teresa Gallagher, Jules de Jongh (US; Hero of the Rails - Blue Mountain Mystery)
--> Number: Fharquay Quarry 1
--> Basis: British Railways Class 04 0-6-0DM
--> Built: 1962
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.
* AscendedExtra: Only got a few stories to herself in the books.
* JerkWithAHeartOfGold --> {{Nice G|uy}}irl
* MouthyKid: Started off arrogant and refused to follow Toby's orders. She tamed after her re-innovations to how things worked caused serious problems.
* TheSmurfettePrinciple: Until the movie, she and Daisy were the only female engines, neither of whom appeared very often.
* TeamMom: Was this occasionally with Bill and Ben, but now plays this role with most other engines.
* {{Tomboy}}
* TookALevelInKindness: The show mellowed her out significantly so she is often the prime WhiteSheep of the diesel ensemble.
* YoungerThanTheyLook: Compared to her later TeamMom persona. Especially noticeable in the Japanese dub, where she has a rather high pitched and childlike voice.
[[/folder]]
[[folder:'Arry and Bert]]
[[quoteright:185:http://static.tvtropes.org/pmwiki/pub/images/snewwhistle30_4659.png]]
--> "Got you this time, Stepney. You'll make very fine scrap indeed. Buffer 'im, Bert!"
-->Voiced by: Kerry Shale ('Arry; Bert, fourteenth - sixteenth seasons), William Hope (Bert)
--> Basis: British Railways Class 08 0-6-0DM
--> Built: 1952/1962
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 smelt down the steam engines for good.
* AffablyEvil: Over the years they've become less evil, but remain bullies toward the steam engines.
* {{The Bull|y}}ies: Like Diesel, they are obnoxious hecklers to the steam engines.
* CreepyTwins: Played this role in ''Stepney Gets Lost'', but have been toned down later on.
* DemotedToDragon: They often tend to work alongside Diesel in the Hit episodes.
* IdenticalTwinIDTag: Bert has stubble, while 'Arry's clean-shaven.
* {{Jerkass}}es
* KarmaHoudini: In their earliest appearances, they actually got away with harassing the other engines and getting them into trouble. Usually subverted in later seasons, though like Diesel, they sometimes still get a free pass for petty heckling, ([[KickTheSonOfABitch especially towards an equally obnoxious engine]]).
* PermaStubble: Bert.
* SingleMindedTwins
* ThoseTwoBadGuys
[[/folder]]
[[folder:Diesel 10]]
[[quoteright:185:http://static.tvtropes.org/pmwiki/pub/images/185px-diesel10_2038.png]]
--> I can whatever I want! I'll get him too! With Pinchy!
-->Voiced by: Neil Crone (''WesternAnimation/ThomasAndTheMagicRailroad''), Matt Wilkinson
--> Basis: British Railways Class 42 'Warship'
The major antagonist of ''WesternAnimation/ThomasAndTheMagicRailroad''. 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.
* AffablyEvil: By the time of ''Day of the Diesels''.
* BigBad
* BrooklynRage: In TheMovie, an odd contrast to his smooth EvilBrit voice in later appearances.
* CartoonCreature: While he's based on a real locomotive type, his claw is purely a fantasy creation with little to no practical use.
* CheatedAngle: In the model series, his nose is tilted more towards his left eye. This was averted when the CGI series came.
* DevilInPlainSight: The steam engines all can tell he's clearly evil, but the Fat Controller keeps him around.
* DisneyVillainDeath: Not a death per se, but his demise is brought around by falling off a viaduct.
* ADogNamedDog: He's a diesel who's name is Diesel, but he has a number to distinguish himself from the ''other'' Diesel.
* EstablishingCharacterMoment: In TheMovie, he roars through as station, kicking up dust shouting "Get outta my way! I have unfinished business here and I wanna finish it FAST!" He also leaves ''[[TheBigGuy Gordon]]'', of all engines, shaking in fear.
* EvilBrit: In the US dub of the television series, due to keeping his voice from the UK series.
* EvilLaugh
* ForTheEvulz: Dumping sneezing powder all over Tidmouth Sheds Yards has got to be this.
* GambitRoulette: His plans in Day of The Diesels rely on circumstance he could have hardly picked out.
* ICallItVera: He calls his claw "Pinchy".
* LargeAndInCharge: He is the self elected head of the diesels by Day of the Diesels, and he's a warship diesel.
* LargeHam: In both TheMovie and Season 17.
* LaughablyEvil
* TheNicknamer: He calls Splatter and Dodge collectively "Splodge", because he "ain't got time to say both names". He calls his claw "Pinchy", Thomas "Puffball", Toby "Teapot", the rest of the steam engines "Tin Kettle", and Mr. Conductor and Sidney "Twinkle Toes".
* ObviouslyEvil: He has a menacing claw on his roof.
* SilenceYouFool: When his entourage are bickering in Day of the Diesels, he shouts them quiet. Also prominent in ''WesternAnimation/ThomasAndTheMagicRailroad''.
* VileVillainSaccharineShow: Compared to the actual series, where most of the bad guys were easily controlled by the Fat Controller, Diesel 10 in TheMovie 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.
* WellIntentionedExtremist: 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).
[[/folder]]
[[folder:Paxton]]
[[quoteright:185:http://static.tvtropes.org/pmwiki/pub/images/185px-gordonrunsdry9_42.png]]
--> "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
--> Basis: British Railways Class 08 0-6-0DM
--> Built: 1952/1962
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.
* AscendedExtra: Started as a MerchandiseDriven extra. Following "Blue Mountain Mystery" he's a recurring supporting character and has even been granted his own limelight episodes.
* AttentionDeficitOohShiny: Even worse than Thomas. Look at that duck!
* BigDamnHeroes: In ''Blue Mountain Mystery'', [[spoiler:just as Diesel rats out Luke to the Fat Controller, Paxton arrives with Victor, who clears up everything.]]
* CharacterizationMarchesOn: 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.
* CloudCuckooLander: 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.
* ExtremeDoormat: Though he will often ultimately draw the line when pushed into callous acts.
* KindheartedSimpleton
* MinionWithAnFInEvil: To Diesel in "Blue Mountain Mystery". Also to Diesel 10 in "The Missing Christmas Decorations".
* NiceGuy: "Blue Mountain Mystery" onward.
* ToxicFriendInfluence: Hangs around with other more antagonistic diesels. [[ADogNamedDog 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.
* WindmillCrusader: Seems to be a recurring pivot in his limelight episodes, ComicallyMissingThePoint in some way or other and going on a wild goose chase, be it for "lost puffs" or disappearing diesels.
[[/folder]]
[[folder:The Diesel (D261)]]
[[quoteright:250:http://static.tvtropes.org/pmwiki/pub/images/e8e7a966b16355d3b7f3faa1e9709b36.png]]
-->"Not bad. I've seen worse. At least you're all clean."
--> Number: D261/D4701 (Book only)
--> Basis: British Railways Class 40 1Co-Co1
--> Built: 1958/1962
A diesel who was sent to Sodor to help the engines, but insults them by saying they were out of date. He gets his comeuppance as he breaks down by an inspector's bowler hat. The Diesel crept away and leaves behind "a rather nasty smell and a battered bowler hat".
* ADogNamedDog: Yet another diesel who has Diesel for a name. Unlike both of the previous diesels sharing his name, however, this one does have D261 as a distinct alternate name.
* FantasticRacism
* {{Jerkass}}
* LaserGuidedKarma: Breaks down due to the inspector's bowler hat.
* TheReasonYouSuckSpeech: Gives one to the engines, calling them out of date, which enraged them.
* SmugSnake: In ''Bowled Out'', his first words are "[[FantasticRacism Not bad. At least you're all clean.]]"
[[/folder]]
[[folder:Dennis]]
[[quoteright:250:http://static.tvtropes.org/pmwiki/pub/images/b4e6c4df222a009469790edf3210c8a2.png]]
-->"...I'm a really lazy engine..."
--> Number: 11001
--> Basis: Bulleid No. 11001 0-6-0DM
--> Built: 1949
A diesel who is lazy. He takes advantage of Thomas by letting him do his work for him, but after he reversed into a ditch, he learns his lesson, and with the help of Thomas, he gets his work done, and promises to be a Really Useful Engine. He has a twin named Norman.
* LazyBum
* PolarOppositeTwins: Him 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.
* PutOnABus: He has not been in an episode since season 9, but is mentioned to be Norman's twin.
* TheSlacker
* TakingAdvantageOfGenerosity: Does this to Thomas who is having a day off.
[[/folder]]
[[folder:Norman]]
[[quoteright:250:http://static.tvtropes.org/pmwiki/pub/images/51a6c597458d503b38cedc606147f82f.jpg]]
-->Voiced by: Keith Wickham
--> Basis: Bulleid No. 11001
An orange-red Diesel and is Dennis's twin.
* BigOlUnibrow: Norman.
* PolarOppositeTwins: Him and Dennis. Unlike Dennis who works fine, but is very lazy, Norman wants to be Really Useful, but breaks down often. While Dennis has two eyebrows, Norman has only one.
[[/folder]]
[[folder:Sidney]]
[[quoteright:250:http://static.tvtropes.org/pmwiki/pub/images/5ddb6c7e98c24d5fec87987dc4bb5e04.png]]
-->"What about me? I'm a decoration!"
-->Voiced by: Bob Golding
--> Basis: British Railways Class 08 0-6-0DM
--> Built: 1952/1962
* ButtMonkey: He spent two years on a hoist before getting new wheels.
* ForgetfulJones: Sidney's known for being forgetful, even forgetting how long he's gone without his wheels.
* KindheartedSimpleton
* MinionWithAnFInEvil: Much like Paxton, he seems pretty docile and somewhat simple, despite hanging around with the other more antagonistic diesels.
* PutOnABus: He hasn't 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.
[[/folder]]
