* ''Literature/TheJungleBook'' by Creator/RudyardKipling
** One of the most famous examples is Kaa the python. In the book, he is a mentor and friend of Mowgli as much as Bagheera and Baloo are, and helps to save him when he is kidnapped by monkeys, engages him in friendly wrestling matches, and offers him advice for battle against the dholes, indeed never harming or threatening him in any way and saving his life more than once. The other animals in the jungle [[TheDreaded respect and fear him]] for his [[OldMaster wisdom]] and powers of hypnosis, to which only Mowgli, because he is human, is immune. In the [[Disney/TheJungleBook Disney movie]] and its sequel, he is a LaughablyEvil villain whose only role in the plot is to serve as a minor nuisance. Apparently [[ExecutiveMeddling it was thought by Disney]] that audiences [[SnakesAreSinister wouldn't accept a snake as a heroic character.]] In the sequel Kaa, while still a conniving predator, [[VillainDecay is rather ineffective and pitiful]] rather than the genuinely effective, whilst comedic, villain he originally was (well, he was pretty pathetic from the start, but the sequel takes it up to eleven). [[TropesAreNotBad Although ironically, this made him arguably the most popular character from the film and one of Disney's best recognised villains]]. The live-action movie adaptation portrayed him as a mindless monster who is used as a SharkPool by King Louie against thieves (in the novel, incidentally, Kaa was the only animal that the monkeys feared - that's why Bagheera and Baloo went to him for help); this depiction draws on a ''different'' snake who appeared in ''The Second Jungle Book''. In the [[Film/TheJungleBook2016 2016 adaptation]], Kaa remains a villain but [[GenderFlip her]] serious nature, immense size, and knowledge of the jungle are restored.
** [[BigBad Shere Khan]] himself is upgraded slightly with each Disney adaptation. In the books he was an antagonist, but represented as somewhat pitiful (he has a bad leg, restricting his ability to hunt), is something of an [[SmugSnake arrogant fool]], and is taken half-heartedly by a lot of residents of the jungle, including Bagheera. The other animals generally see him as a troublemaker and a coward because he attacks humans (something forbidden under the Law of the Jungle), and characters like Bagheera and Kaa command a lot more respect and fear. In the original Disney film, he is somewhat [[LaughablyEvil comedic]] and playful, but is genuinely feared and implied to be stronger than many animals put together. In ''WesternAnimation/TaleSpin'', he is given much more deathly serious and calculating demeanor, but also is rather [[AffablyEvil affable]] and more of an AntiVillain in many of his appearances, with [[EvenEvilHasStandards a moral code]] that restrains his villainy. In the sequel to Disney's ''Jungle Book'' he is an [[KnightOfCerebus out and out dark presence whose only goal is to rip Mowgli to shreds]].
** Interestingly the ''Jungle Cubs'' animated series refers closer to both characters' novel personas. Kaa is a friend of the other animals and, while still a predator, is far less [[DastardlyWhiplash intentionally antagonistic]] about it than his adult counterpart. Meanwhile, Shere Khan is an arrogant bully, but somewhat ineffective and occasionally sympathetic. In a chronological sense, this means the Disney counterparts started off loyal to the novel ones, before being embittered into their more malicious adult forms.
* ''Literature/ThePhantomTollbooth:'' the Lethargians in the book are merely unhelpful small creatures and suggest that Milo rest and not go anywhere - frankly, they were too [[ShapedLikeItself lethargic]] to do anything so difficult as trying to stop him physically. The movie Lethargians can liquefy their bodies, and then combine or separate from one another, and use the suggestion of rest only as a ruse, to allow them to either kill Milo or [[TheAssimilator make him one of them]]. After all, [[ExactWords breathing is doing something]].
* ''The Rats of NIMH'':
** Jenner in the Creator/DonBluth film ''WesternAnimation/TheSecretOfNIMH'', what with [[spoiler: destroying Mrs. Brisby's home and killing Nicodemus.]] However, in [[Literature/MrsFrisbyAndTheRatsOfNIMH the book on which the film is based]], he is not nearly as villainous, but is a slightly more sympathetic and much less malicious CommanderContrarian who only appears through flashbacks [[spoiler: and [[DoomedContrarian dies]] offstage.]] He disagrees with Nicodemus about leaving for Thorn Valley, but he doesn't resort to violence like his film counterpart - in the book, he was actually one of Nicodemus's closest friends (even before they were both captured by NIMH) despite their ideological differences, helped mastermind the rats' escape from NIMH in the first place, and is a GrumpyBear at worst.
** While he isn't much of a villain in the movie, since he [[spoiler: refuses to kill Nicodemus, warns Justin that Mrs. Brisby is being attacked by his boss Jenner, throws Justin his sword during the ensuing fight, and ultimately kills Jenner when he tries to murder Justin]], Sullivan is a very minor character who never associates with Jenner in the book.
** In the movie, Brutus, while he isn't a villain, scares Mrs. Brisby away from the rosebush while in the book he just gives her a hard time about it before he ultimately lets her in. The book also makes it more clear that it's [[JerkassFacade just an act]] and Brutus isn't really mean, although he does try and help pull up the Brisby home later in the film, too.
** The human scientists at NIMH in the book are portrayed as simply people doing their jobs - they are not pointlessly cruel to their research animals and even treat them kindly. In the film, they are {{mad scientist}}s who abuse the animals, and the reasons for their experiments aren't explained.
** In the (non-Bluth directed) sequel to the movie, [[spoiler: Martin]], a good guy in both the film and book, becomes a crazed villain (although as the result of [[BrainwashedAndCrazy brainwashing]]).
* Ivan Sakharine in the ''Franchise/{{Tintin}}'' comic ''The Secret of the Unicorn''. While sinister-seeming and a nuisance, he isn't evil, and is victimized by the real villains, a pair of unscrupulous treasure hunters. He even gets an implied PetTheDog moment - a cameo in ''Red Rackham's Treasure'' suggests that he offered his own ''Unicorn'' model for Captain Haddock's maritime gallery, and in turn Haddock seems to be on good enough terms with Sakharine to invite him to an exhibition there. In the [[WesternAnimation/TheAdventuresOfTintin movie]] based on the same comic, he is a much darker and more threatening character [[spoiler: with a blood vendetta against Haddock's family]] who takes over the role of the comic's villains.
* In the Disney movie ''Disney/{{Bambi}}'', Ronno the deer is a jealous [[TheBully bully]] who spends much of his time antagonizing Bambi, culminating in their battle over Faline. In the original book, Ronno and Bambi are actually good friends instead of enemies, although this does change as they grow older and see each other as competition for does.
** The human hunters in the book are ordinary people who [[HumansAreCthulhu are frightening and god-like from the perspective of the animals]], although Bambi's father makes a point of showing Bambi a dead hunter to teach him that humans are subject to the same rules as the forest animals are. In the Disney movie, the hunters are explicitly reckless and careless, shooting everything that moves and setting the forest ablaze from a badly tended campfire. Bambi's mother is, judging from the time of her death in early spring, the victim of a poacher.
* In Disney's ''Disney/{{Hercules}}'',
** Hades is a {{Satan}}-like villain ([[EverybodyHatesHades again]]), intent on overthrowing Zeus and taking over Mount Olympus. In Myth/ClassicalMythology, he was a [[LawfulNeutral neutral]] but just ruler of the dead and no worse than the [[JerkassGods other Greek gods]]. Hades had no antagonism towards Heracles, only meeting the hero when Heracles asked to borrow Cerberus for one of his twelve labors. Heracles's original divine enemy was Hera, his stepmother and Zeus's wife. As for overthrowing Zeus, Hades never tried that in the myths. While Hades ''did'' kidnap Persephone ([[JerkassGods with Zeus's permission]]), he was nowhere near as bad a husband as his brothers [[AnythingThatMoves Zeus and Poseidon]]. In fact, Hades is probably the least antagonistic god Hercules ever met in the original myth; the entire obstacle Hercules has in borrowing Cerberus is that Hades politely asks Hercules to ''bring it back when he's done''.
** Megara initially works for Hades before joining Hercules' side. In the mythology, Megara has little role beyond being tragically murdered by her husband.
* ''Literature/TheLittleMermaid'':
** The Sea Witch in the Creator/HansChristianAndersen fairy tale is a neutral character who shows no vindictive intentions toward the unnamed mermaid, only making the famous tongue-for-legs exchange, even warning the mermaid of the consequences of the transformation. She doesn't go back on the deal or interfere with her relationship with the prince until the mermaid's sisters request it, and then only indirectly. In the Franchise/DisneyAnimatedCanon film ''Disney/TheLittleMermaid'', she is named Ursula, is an out-and-out villain with a tendency toward [[DealWithTheDevil Faustian deals]], and gets in the way of Ariel's romance with Prince Eric far more than the character in the fairy tale did.
** The witch being evil in Disney's version may have been pinched from Dvorak's opera ''Rusalka''; both it and Andersen's story are themselves adaptations of a medieval French fairy tale.
** Ursula also takes the place of the princess whom the prince eventually marries in the original, who is innocent in Andersen's fairy tale and genuinely loves him.
*** [[http://www.youtube.com/watch?v=KQ14832doYk This Little Mermaid adaptation]] by the Australian company [[Creator/BurbankFilmsAustralia Burbank Animation Studios]] actually turns the princess into a RoyalBrat whose father is planning to take over the prince's kingdom.
* It may be surprising to learn that [[SinisterMinister Claude Frollo]] of ''Disney/TheHunchbackOfNotreDame'' was [[AntiVillain a more sympathetic character]] in the [[Literature/TheHunchbackOfNotreDame original novel]] by Creator/VictorHugo. While driven to evil deeds later by his lust for Esmeralda, he willingly adopts and cares for Quasimodo, instead of threatening to throw him down a well as he did in the Disney version of the story. He does so while also looking after his layabout of a brother, Jehan (who most movie adaptations [[CompositeCharacter composite with Claude]]), and being orphaned himself to boot. He's also more tolerant of gypsies, asking only that they keep their activities away from the cathedral rather than actively hunting them down.
** Frollo was originally archdeacon of Notre Dame; in the movie, the archdeacon is a [[DecompositeCharacter separate, kindly character]], who induces a guilt trip on Frollo at the beginning and is beaten up by him at the end. In a sense, both these scenes depict the man struggling with ''himself''. It's believed the reason for this AdaptationalVillainy was due to Disney being concerned that having a priest for a BigBad would offend people, and their solution was to divide the literary character in two and give one all the good qualities and the other all the bad.
* ''Literature/AliceInWonderland'':
** The [[GodSaveUsFromTheQueen Queen of Hearts]] is depicted as an AxCrazy villainess in the [[Disney/AliceInWonderland Disney]] adaptation. In the book by Creator/LewisCarroll, while she does constantly order executions, the King quietly pardons everybody she sentences to death when she isn't looking and no real harm is done. She never notices this, and the inhabitants of Wonderland just choose to play along with her. Also, it's outright said by the Gryphon that she doesn't execute anyone.
** The King himself goes from pardoning people to openly supporting the Queen's executions.
** The Cheshire Cat in the Disney movie is a {{Jerkass}} to Alice if not a villain, while in the book he was [[NiceGuy a more friendly character]].
** The White Rabbit in the Disney version is a pompous servant of the Queen. In the book he's a little friendlier to Alice, advising her not to play well in the croquet game so the Queen can win.
* In the children's book ''WesternAnimation/TheBraveLittleToaster'', the new appliances in Rob's apartment are friendly and helpful to Toaster and the other older appliances, helping them find a new owner via a radio show, and feel guilty for their role in replacing still useful appliances. In the movie, they are [[{{Jerkass}} arrogant and cruel to them]], even tossing them into a dumpster out of jealousy.
* The three witches in ''Disney/TheBlackCauldron'' are grasping and sneaky, if not evil, characters who try and trick Taran into giving up a treasure for the cauldron. In the book, they are neutral figures who bend their own rules to help Taran and the others get rid of it. The books almost explicitly state that Orddu, Orwen, and Orgoch are the actual Fates. (Taran's mentor Dalben was originally raised by them, which is why he's so weird.)
* In ''Anime/HowlsMovingCastle'', the main villain of [[Literature/HowlsMovingCastle the book]], the Witch of the Waste, is downgraded and drained of power. Meanwhile, two of the book's nice characters, the kindly, motherly Mrs. Pentstemmon (who in the book is murdered by the Witch) and the absent and also kindly Wizard Suliman (who in the book is captured and cursed by the Witch) are combined into one character and made evil, the real villain of the movie.
** Pentstemmon was Howell's beloved mentor. Suliman marries Sophie's sister.
* Both played straight and [[AdaptationalHeroism inverted]] in ''WesternAnimation/{{Shrek}}'' - archetypal good guys Prince Charming, RobinHood, and the FairyGodmother are villains while [[AdaptationalHeroism The Big Bad Wolf is one of the heroes, along with traditionally Always Chaotic Evil creatures like ogres and dragons.]]
* In ''Disney/WreckItRalph'', a number of villains get together for a support group, and among them is [[Franchise/StreetFighter Zangief]], who isn't a villain in the games - though he is often a victim of this trope, being a villain in both the first live-action Street Fighter movie and Street Fighter American cartoon. This makes his comments toward Ralph during his sole scene all the more poignant.
* The puppeteer from ''Disney/{{Pinocchio}}'' (Mangiafuoco in the book, Stromboli in the film). In the film he was far more cruel and simply wanted to exploit Pinocchio and states that he'll use him as firewood after he can't perform anymore. In the book, although he initially does want to use Pinocchio as firewood after the boy accidentally ruins one of his puppet shows, Pinocchio is able to convince him not to do so, and he [[PetTheDog even gives the talking puppet some coins to help Geppetto out]]. This is probably an influence from Alexey N. Tolstoy's book adaptation, ''Buratino'', where the puppeteer, named Carabas Barabas, is the [[BigBad main villain]] and a very ominous person (although, incidentally, the scene mentioned above still happens anyway, but even that he does for a completely selfish reason).
* Clayton in Disney's ''Disney/{{Tarzan}}''. In the novels, he is Tarzan's cousin who inherits the title after Tarzan's parents are presumed dead. His worst fault is that he is not as brave or capable as Tarzan, and his worst crime is concealing Tarzan's true identity after he figures out the truth so that he can keep the title. Other than that, he is a decent man who is willing to sacrifice himself for Jane. The true villain is Rokoff, their guide, who kills Clayton. In the movie, he is an EgomaniacHunter, and effectively fills Rokoff's role.
* The Kralahome in the animated version of ''WesternAnimation/{{The King and I}}'' is not a stern but genuinely loyal chancellor, but rather an EvilSorcerer who actively plots to overthrow the King.
* In ''WesternAnimation/GnomeoAndJuliet'', Benny (the equivalent of Benvolio) is a malicious trickster who exacerbates the antipathy between the FeudingFamilies. In Shakespeare's ''Theatre/RomeoAndJuliet'', Benvolio is a mild-mannered NiceGuy (although oddly, there is a line from Mercutio that [[InformedAttribute describes Benvolio as hot blooded and eager to start fights]]). WordOfGod is that Gnomeo is a CompositeCharacter of Romeo and Mercutio, and the effect of this is that "Benny" was basically left with the nastier side of Mercutio's personality (and Benvolio's name).
* ''WesternAnimation/RomeoAndJulietSealedWithAKiss'' is a loose and LighterAndSofter adaptation of Creator/WilliamShakespeare's ''Theatre/RomeoAndJuliet'' with most of the characters [[AnthropomorphicAnimalAdaptation depicted as seals]]. The villain is an elephant seal named Prince, a CompositeCharacter of Prince Escalus and Paris, a member of his family who is arranged to marry Juliet. The Prince in the play is a ReasonableAuthorityFigure whose antagonism comes from his frustration with Romeo and Juliet's FeudingFamilies, while Prince in the film is a FatIdiot villain who banishes Romeo to a shark-infested island out of jealousy. While Romeo was banished in the play, this was an act of mercy on the Prince's part as the alternative was Romeo being outright executed for murder. Paris, although his exact characterization depends on the production, seems to genuinely care about Juliet, courts her in the appropriate manner for the time period by asking her father, and is at worst a [[SlidingScaleOfAntiVillains Type IV]] AntiVillain who attacks Romeo because he thinks that Romeo is vandalizing her tomb.
* In the ''Franchise/GreenLantern'' comics, Boodikka is a loyal member of the Green Lantern Corps, but in ''WesternAnimation/GreenLanternFirstFlight'', she sides with Sinestro in his coup against the Guardians of the Universe.
* Whereas in the [[ComicBook/TheMightyThor comics]], Algrim/Kurse was loyal to Asgard after he cut ties with Malekith, in ''WesternAnimation/ThorTalesOfAsgard'', Algrim's presented as resenting Odin and Asgard for not coming to the aid of the Dark Elves against the Ice Giants (and going ''against'' them when the Dark Elves turned to Surtur for help) and blames them for the extinction of the Dark Elves, and was willing to use the Sword of Surtur against Asgard.
* In ''WesternAnimation/HotelTransylvania'', [[Literature/TheHunchbackOfNotreDame Quasimodo]] is portrayed as a FrenchJerk [[EvilChef chef]] who is [[ImAHumanitarian willing to cook and eat people]], the film's closest thing to a villain.
* ''Disney/BigHero6'' is more "Adaptational JerkWithAHeartOfGold." In the comics, Hiro Takachiho is an OrdinaryHighSchoolStudent. At the start of the [[Disney/BigHero6 animated movie]], Hiro [[AdaptationNameChange Hamada]] partakes in illegal bot-fights before his brother shows him around his school. There's also the issue of [[spoiler:trying to kill Callaghan]], though to be fair, [[YouKilledMyFather that was an extreme circumstance]].
* ''WesternAnimation/JusticeLeagueGodsAndMonsters''[[note]]Designed as an alternate universe to begin with, so these are ''far'' from the only changes to mainstream versions. Batman usually isn't a vampiric Kirk Langstrom, for example.[[/note]]:
** In the movie proper, [[spoiler:Doc Magnus and the ComicBook/MetalMen are the main villains.]]
** Also from the movie proper, [[spoiler:Highfather is willing to double cross Darkseid.]]
** The tie-in miniseries, ''Justice League: Gods and Monsters Chronicles'' sees Harley Quinn undergo this. Sometimes, Harley is portrayed as an AntiVillain with some sympathetic qualities. This version, however, is an AxCrazy psychopath who {{would hurt a child}}--and as the Joker isn't seen, this version is doing this of her own free will.
* In ''Literature/TheTrueMeaningOfSmekday'', the Gorg were the true BigBad while Smek was more incompetent than actively malevolent. In ''WesternAnimation/{{Home}}'', he's the BigBad, and [[spoiler: the Gorg are only attacking the Boov because he stole a rock containing the next generation of the Gorg species]].
* The titular Batwoman in ''WesternAnimation/BatmanMysteryOfTheBatwoman'' is much more of an anti-heroine than the original Kathy Kane (and it predated the Kate Kane Batwoman), so they DC insisted that the filmmakers not actually use Kathy Kane. This didn't stop them from homaging her via the character Kathy Du''quesne'' or making her a suspect... [[spoiler: or even making this Kathy one of the Batwomen.]]
* While SelfDemonstrating/{{Deadpool}} is a PsychoForHire in the comics, he's still an AntiHero who has some redeeming qualities. In ''WesternAnimation/HulkVs'', Deadpool is a unrepentant member of Weapon X. Deadpool [[WouldHurtAChild makes jokes about killing babies and almost shoots a child]], when these are [[EvenEvilHasStandards lines Deadpool would never cross]] in the comics.
* In ''Dinotopia: Quest for the Ruby Sunstone'', Ogthar is the main villain who plots to conquer Dinotopia. In [[{{Literature/Dinotopia}} the original books]], King Ogthar was a mythical king who is spoken of by dinosaurs and humans alike with great reverence.
* ''Disney/Fantasia2000'': In the story of "The Firebird Suite", the titular creature aids a Prince to defeating an evil wizard. In the animated segment at the end of the film, the Firebird is a destructive EldritchAbomination in the shape of a bird that destroys an entire forest.
* In a case of this happening to the hero to a degree, ''WesternAnimation/SupermanVsTheElite'' actually sees [[spoiler: Superman go through with lobotomizing Manchester Black and depowering the Elite. In the original comics, the Elite retained their powers and Supes merely gave Black a concussion.]]
* ''Disney/TheLionKing''
** Believe it or not, Scar qualifies. With the film being a loose adaptation of ''Theatre/{{Hamlet}}'', Scar is obviously meant to be King Claudius (brother of the original king, murders said king to take the throne, etc.). Claudius, however, was shown to be [[AffablyEvil an affable man]] and [[ReasonableAuthorityFigure a relatively decent ruler]] who was HappilyMarried to the queen and bore no ill will towards his nephew, the titular Prince Hamlet, even urging him to stay in Denmark to inherit the throne from him and showing genuine concern over [[ObfuscatingInsanity his feigned madness]]. Heck, there are quite a few points wherein Claudius actually shows remorse for killing his brother and this remorse is a huge plot point. Scar on the other hand is an unrepentant and selfish psychopath who reduces the Pridelands to a barren wasteland after taking the throne, implicitly abuses the queen (verbally and physically), tries to get Simba killed along with Mufasa because he knows the heir will be a threat to "his" rule and shows absolutely no remorse for killing his brother whatsoever[[note]]in the film, anyway; in the Broadway version, he does get a slight bit of guilt, but rather than redeeming him, it ends up driving him to insanity and effectively making him more evil[[/note]].
** With ''Disney/TheLionKingIISimbasPride'' being a loose adaptation of ''Theatre/RomeoAndJuliet'', the Montague family is given a fair amount of this. In the original, the Montagues and Capulets were meant to be NotSoDifferent (bordering on GreyAndGreyMorality), most likely as the Bard's way of saying that the feud between them was pointless. In this version, however, the "Outlanders" (called this because Simba banished them after taking the throne) are depicted as more or less an insane cult that worships Scar, led by Zira (effectively Lord and Lady Montague merged into one), an AxCrazy lunatic who's hopelessly in love with Scar and trains her adoptive son Kovu (our Romeo parallel) to be a TykeBomb against Simba and his family. In the play, Shakespeare makes a point of showing that both FeudingFamilies were to blame for the tragedy, each showing a mix of sympathetic and unsympathetic qualities, while in ''Simba's Pride'' all of the actual violence and manipulation is from the Outlanders, Zira especially. While Lord Montague makes amends with the Capulets after Romeo and Juliet are found dead and his wife dies of a broken heart, [[MyGodWhatHaveIDone taking responsibility]] for his role, Zira refuses to make peace even when offered forgiveness by the Pridelanders and commits suicide.
* ''WesternAnimation/JosephKingOfDreams'' leaves out the part of TheBible where Joseph's oldest brother, Reuben, planned to rescue him from the pit into which their other brothers threw him. (There's also a bit of AdaptationalHeroism for the other brothers, though: in the Bible they planned to ''kill'' Joseph until Reuben intervened, while here they never go farther than the pit[=/=][[MadeASlave selling-into-slavery]] plan.)
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