History Main / OutsideGenreFoe

* ''VideoGame/TheLegendOfZeldaMajorasMask'': One side quest involves Link protecting a farm from aliens. Yes, aliens. They appear ghost-like, and [=NPCs=] even call them "ghosts", but their design is based on TheFlatwoodsMonster and their [[AliensStealCattle abduction of animals]] and a little girl emphasize them being aliens. This is the only time aliens show up in any of the fantasy-styled ''Zelda'' titles. TheGreys do show up in the SpinOff title ''VideoGame/FreshlyPickedTinglesRosyRupeeland'', but that game is a lot less fantasy and a lot more whatever-goes.

* Common in Creator/MarxBrothers movies, such as ''Film/DuckSoup'', ''Film/ADayAtTheRaces'', ''Film/ANightInCasablanca'', etc. These flicks were populated by characters out of straightforward melodramas, such as earnest young lovers and nefarious villains ... except for the Marx Brothers, who were vaudeville sketch comedy characters. This throws the villains' plans awry, since it's hard to manipulate people who will do completely random things [[ItAmusedMe for the sake of a gag]] and will pull off stunts that ''shouldn't'' work but ''do'' because of the RuleOfFunny.

* The aliens from the beginning of ''Film/TransformersAgeOfExtinction'', when they appear [[TheCretaceousIsAlwaysDoomed 65 million years ago]]. The dinosaurs have no idea what is going on when they show up en-masse and proceed to turn the planet's surface into metal.

** The most dangerous threat of the post-Palpatine was the Yuuzhan Vong, religiously sadomasochistic alien zealots who are also immune to the Force, a very different enemy than anything else in the franchise.

** The Ulster Liberation Army from ''Literature/PatriotGames'' is this from the point of view of the British and American analysts trying to figure them out. They're an Irish republican terrorist group, so far so good, but everything else about them is incomprehensible: they don't announce their existence to the public or claim operations (which is arguably the whole ''point'' of a terrorist group), they carry out operations that risk so much backlash that the other movements declared them off-limits long ago (like targeting the British Royal Family or carrying out operations in America), and [[ArsonMurderAndJaywalking they identify themselves by the prefix "Ulster" rather than "Irish"]] ("Irish" is the identity preferred by Catholic/Republican groups, "Ulster" by Protestant/Loyalist groups). It turns out that most of this is because [[spoiler:their real target isn't the British or the Loyalists, but the IRA itself, which they're trying to seize control of after overthrowing its leadership. Remaining secret means that their terrorist actions continue to be attributed to the IRA, weakening its public support and emboldening radicals more in line with the ULA's goals, in addition to making it easier for them to hide from IRA vengeance.]]

** The Others are shaping up to be this, too: a race of unearthly {{humanoid abomination}}s from the uttermost north, capable of bringing snowstorms and raising the dead, and who blanketed the world in TheNightThatNeverEnds the last time they took power... against a LowFantasy continent primarily concerned with the civil war and associated political maneuvering that's ravaged the land. Magic has been in decline so long that most people don't even know it existed, and Westeros has forgotten the gigantic Wall it has up north was built specifically to guard against the Others.

** When you say "space adventure about a magical force", you (impassively or fondly) think of ''Franchise/StarWars''. When you say "religiously sadomasochistic alien zealots", you blank out. When you add "that are immune to the Force", you get the Yuuzhan Vong. Extremely unusual addition or not, those guys dominated a large portion of the post-Palpatine era. A subversion might come into play, since there are [[EpilepticTrees theories]] that Palpatine, having foreseen the invasion through the Force, orchestrated the Clone War and the Galactic Civil War specifically to prepare the Galaxy.
** A smaller-scale example is the Ssi-ruuk from ''Literature/TheTruceAtBakura''. Like the Yuuzhan Vong, they're an empire of [[ScaryDogmaticAlien Scary Dogmatic Aliens]] from outside of known space wielding unfamiliar tech who launch an invasion of the galaxy shortly after the Battle of Endor (though their threat is resolved in much shorter order). The event catches the Rebels and Imperials off guard enough that they temporarily set their differences aside and join forces to stop the aliens.
** Abeloth also comes to mind. Really, an EldritchAbomination as the BigBad for a ''Star Wars'' book? And meta too: You know you're in ''Star Wars Legends'' when LighterAndSofter is Lovecraft [-[[JustForFun/RecycledINSPACE IN SPACE!]]-] And it's no joke about this being Lighter and Softer than ''Literature/LegacyOfTheForce''.

* Predating Abeloth by several decades is Creator/JRRTolkien's Ungoliant. Franchise/TolkiensLegendarium is a HighFantasy setting where [[{{God}} Eru Ilúvatar]] and his angels created everything; thus, most of the antagonists are {{Fallen Angel}}s like [[SatanicArchetype Melkor]] and corrupted races like the [[OurOrcsAreDifferent Orcs]]. Yet one of ''Literature/TheSilmarillion'''s antagonists is an EldritchAbomination who appears out of nowhere, briefly teams up with Melkor, then wanders off as mysteriously as she arrives. Ungoliant is so alien to the setting that her power over "Unlight" is capable of disorienting the Valar themselves. She may be a FallenAngel too, or she may have emerged from the PrimordialChaos; [[MultipleChoicePast not even Tolkien himself could decide]].

* ''TabletopGame/BattleTech'' is very much a SpaceOpera. Your usual opponents are other people who for one reason or another are out to oppose you with varying levels of intensity--the AbsentAliens trope is in full effect and forces the threats to mostly consist of a mixture of Byzantine political intrigue and mechanized war machines such as [[TankGoodness tanks]], {{Space Fighter}}s, PoweredArmor infantry, and HumongousMecha. Therefore, the presence of [[https://www.sarna.net/wiki/Megasaur coincidentally evolved dinosaurs]] is such a lurching shift of tone, even for soft science fiction like ''[=BattleTech=]'', that players are often unprepared to consider how to even begin fighting a dinosaur considering they're able to OneHitKill players and severely damage Battlemechs.

** Actually invoked by some fan guides and conversions to ''TabletopGame/RedHandOfDoom'' which suggest putting the adventure in [[WesternAnimation/MyLittlePonyFriendshipIsMagic Equestria]] of all places, just because it allows DM to play up the Hobgoblins as an utterly alien threat, effectively adding a horror level to the campaign.

* The Wolf in ''WesternAnimation/PussInBootsTheLastWish'' is a supremely capable bounty hunter who easily trounces Puss the first time they meet, even drawing actual blood. He relentlessly stalks Puss, relishing in the feline's fear, and [[KnightOfCerebus is played so deadly serious]] the whole movie turns into [[SlasherMovie Slasher genre]] whenever he shows up. The reveal of his identity and motivation changes little, given he is [[spoiler:unambiguously, literally, '''''[[TheGrimReaper Death]]''''' itself.]]

* ''[[https://www.fanfiction.net/s/6868583/1/We-Are-Nothing We Are Nothing]]'' has [[Franchise/ANightmareOnElmStreet Freddy Krueger]] go on a killing spree at Hogwarts during Harry's fifth year. Since ''Franchise/HarryPotter'' antagonists are typically British wizards/witches or fantastical creatures, none of Hogwarts' students and staff (nor anyone else from the Wizarding World for that matter) are prepared for an undead American serial killer who [[WrongContextMagic murders his victims through their dreams.]] It takes 3/4 of the story for anyone besides Harry to even figure out ''how'' Freddy is slipping past Hogwarts' magical defenses and killing the students, let alone actually come up with a way of stopping him since the Potterverse wizards are unfamiliar with how the [[DreamLand Dream World]] works.

* ''Fanfic/JauneArcLordOfHunger'': [[Characters/JauneArcLordOfHungerDarthNihilus Darth Nihilus]] is this to Beacon Academy. Keep in mind that Remnant's civilization hasn't even discovered space technology, let alone the existence of alien life; and the heroes of ''WebAnimation/{{RWBY}}'' are generally used to fighting Grimm, human criminals, and Faunus terrorists. Darth Nihilus, on the other hand, is essentially a psychic UndeadAbomination from outer space who seeks to devour all life in the cosmos. The fic basically takes a cosmic horror villain from a space opera, and inserts him into a fantasy-inspired setting about a school that trains teenagers to slay monsters.

* ''[[https://www.fanfiction.net/s/6868583/1/We-Are-Nothing We Are Nothing]]'' has [[Franchise/ANightmareOnElmStreet Freddy Krueger]] go on a killing spree at Hogwarts during Harry's fifth year. Since ''Franchise/HarryPotter'' antagonists are typically British wizards/witches or fantastical creatures, none of Hogwarts' students and staff (nor anyone else from the Wizarding World) are prepared to suddenly deal with an undead American serial killer who [[WrongContextMagic murders his victims through their dreams.]] It takes 3/4 of the story for anyone besides Harry to even figure out ''how'' Freddy is slipping past Hogwarts' magical defenses and killing the students, let alone actually come up with a way of possibly stopping him since the Potterverse wizards have no known way of entering the dream world.

* ''[[https://www.fanfiction.net/s/6868583/1/We-Are-Nothing We Are Nothing]]'' has [[Franchise/ANightmareOnElmStreet Freddy Krueger]] go on a killing spree at Hogwarts during Harry's fifth year. Since ''Franchise/HarryPotter'' antagonists are typically British wizards/witches or magical creatures, none of Hogwarts' students and staff (nor anyone else from the Wizarding World) are prepared to suddenly deal with an undead American serial killer who [[WrongContextMagic murders his victims through their dreams.]] It takes 3/4 of the story for anyone besides Harry to even figure out ''how'' Freddy is slipping past Hogwarts' magical defenses and killing the students, let alone actually come up with a way of possibly stopping him since the Potterverse wizards have no known way of entering the dream world.

* ''[[https://www.fanfiction.net/s/6868583/1/We-Are-Nothing We Are Nothing]]'' has [[Franchise/ANightmareOnElmStreet Freddy Krueger]] go on a killing spree at Hogwarts during Harry's fifth year. Since ''Franchise/HarryPotter'' antagonists are typically British wizards/witches or magical creatures, none of Hogwarts' students and staff (nor anyone else from the Wizarding World) are prepared to suddenly deal with an undead American serial killer who [[WrongContextMagic murders his victims through their dreams.]] It takes 3/4 of the story for anyone besides Harry to even figure out ''how'' Freddy is slipping past Hogwarts' magical defenses and killing the students, let alone actually come up with a way of possibly stopping him since the ''Harry Potter'' wizards have no known way of entering the dream world.

* ''Fanfic/JauneArcLordOfHunger'': [[Characters/JauneArcLordOfHungerDarthNihilus Darth Nihilus]] is this to ''WebAnimation/{{RWBY}}''. Keep in mind that Remnant's civilization hasn't even discovered space technology, let alone the existence of alien life. Prior to Nihilus revealing himself [[spoiler:by possessing Jaune's body]], the students and staff of Beacon Academy had mostly fought Grimm, human criminals, or Faunus terrorists. Then came Darth Nihilus, the evil spirit of a [[Franchise/StarWars Sith Lord]] who was a PlanetEater in his heyday. For the heroes, Nihilus is the first enemy they've faced who was undead, extraterrestrial in origin, used "magic" (the Force), and posed a threat on a galactic scale.

* ''Fanfic/ASecondChance'': [[SavageWolves One Eye]], as he's not a human and not even the protagonists fully understand [[ItCanThink how he ticks]], along with the fact that his main motive is to brutally ''kill'' them, thus raising the stakes whenever he shows up. The same is true for the Loud sisters and Bobby during their brief stint as [[OurZombiesAreDifferent flu-zombies]].
* ''Fanfic/SenranPersonaNinjasOfHearts'': [[VideoGame/SenranKagura Asuka and Homura]] are introduced to [[Franchise/{{Persona}} Shadows]] and find out the hard way that their Ninja Arts [[NoSell have no effect]], causing them to eventually awaken Personas. On the other end, [[VideoGame/Persona5 the Phantom Thieves of Hearts]] later find themselves under the attention of Shinobi, both Good and Evil, because their [[HeelFaceBrainwashing special ablity]] could affect Shinobi Society, and they are [[OrdinaryHighSchoolStudent ordinary high school students]] for the majority of the time. Homura puts them through TrainingFromHell in order to prepare them for any Shinobi that might come looking for them.

* ''Fanfic/JauneArcLordOfHunger'': [[Characters/JauneArcLordOfHungerDarthNihilus Darth Nihilus]] is this to the HighFantasy-inspired world of ''WebAnimation/{{RWBY}}''. Up until then, the students and staff of [[ExtranormalInstitute Beacon Academy]] were mostly used to fighting Grimm, human criminals, and Faunus terrorists. Then came Darth Nihilus, the evil spirit of a [[Franchise/StarWars Sith Lord]] whose Force abilities rival those of Remnant's strongest magic users. For the heroes, Nihilus is the first enemy they've encountered that was extraterrestrial and undead in nature.

* In the ''Literature/TheCulture''/''Literature/HarryPotter'' crossover ''Fanfic/CultureShockRuskbyte'', the Culture finds it hard to believe that Potterverse wizards, for all they appear primitive, can manipulate both layers of the Grid simultaneously, something only an even more advanced faction had previously demonstrated, nevermind things like the moving paintings that they can't even explain.

* ''Fanfic/DeathNoteEquestria'': Thanks to the powers of the Manga/DeathNote (which even she doesn't fully understand), [[WesternAnimation/MyLittlePonyFriendshipIsMagic Twilight Sparkle]] as Kira becomes this to the entire Equestrian government. That said, just as L is figuring out the limits and rules of her powers, the [[OutOfGenreExperience golems]] suddenly show up, taking both sides by surprise.
* ''Fanfic/{{Equestrylvania}}'': The reason [[BigBad Dracula]]'s forces are so effective against Equestria's military is that they come out of nowhere, and are like nothing the ponies have ever faced before.
* ''Fanfic/TheGodEmpressOfPonykind'': Discord, due to not acting like a normal Chaos Daemon. [[spoiler:Not even ''the Chaos Gods'' know what he is or where he came from.]]
* ''Fanfic/TheBridge'': Several pony characters remark on how nothing could have prepared them for a {{Kaiju}}. Likewise, numerous kaiju characters find themselves at a loss against some of the Equestrian villains. Xenilla has to seek out a unicorn expert just to figure out anything about King Sombra. In a case of DramaticIrony, almost all of the characters have no idea the BigBad [[spoiler:Bagan]] even exists. The few who have heard of him think he isn't due to arrive for another 30,000 years, leaving them unprepared as they don't know the sealing magic has failed.
* The adult fanfic ''Wandering Pilot'' gives the feminist world of ''Anime/QueensBlade'' the main protagonist of ''Anime/NeonGenesisEvangelion''. Because of how he's from a world different from their own (HumongousMecha with [[DysfunctionJunction psychological horror]] for the best examples) in addition to being a very unusual kind of boy, every badass woman has her eyes toward him. Of course, this is more than just a mere harem fic as he's only interested in helping people, yet his insertion and [[NewPowersAsThePlotDemands new unique powers he himself can't comprehend]] causes changes and problems for everyone.
* The ''Fanfic/SuperwomenOfEva'' series: the appearance of true-to-Kami-no-it's-not-an-Angel-plot-no-it's-not-something-you-drank-[[InUniverse no]]-[[NotMakingThisUpDisclaimer we-are-not-making-this-up]] [[SuperFic superheroes]] (or rather, super'''[[ActionGirl heroines]]''') hits every single person good and bad within the cast that already had some issues from living [[Anime/NeonGenesisEvangelion in the world of one of the archetypical]] "SuperRobot with DysfunctionJunction" anime shows like a brick to the face, and the start of their CharacterDevelopment (or their StartOfDarkness) is their struggle to wrap their minds around this fact.
* A certain untitled ''Webcomic/DraconiaChronicles'' fanfic has a human space colony ship put down in the [[LadyLand No-Woman's Land]] between the Draconic Empire and the Tiger Territories. When the dragons attack, they're ground into hamburger by AA cannons. When the tigers attack, they're shitstomped by {{Space Marine}}s with PoweredArmor and laser guns. Both factions decide to leave the humans be, because if this is what they're like defensively, [[HumansAreWarriors what'll it be like when they're mad?]]
* [[Franchise/FateSeries Arturia Pendragon]] is as such in ''Fanfic/AKnightsTaleAsInquisitor'' ever since she landed in [[StandardFantasySetting Thedas]], with this trope being one reason why she's so efficient in dealing with the ([[TheWorldIsAlwaysDoomed most recent]]) clustermess that is plaguing the world. In a land of DarkFantasy so used to [[OurDragonsAreDifferent dragons of various stages]], [[ZombieApocalypse the occasional Blight]], in addition to the [[CorruptChurch religious]] [[TheFundamentalist zealots]] and [[DecadentCourt vicious nobles]] regularly roaming around and about, positively NO ONE [[DidntSeeThatComing foresaw]] an [[GeniusBruiser unusually competent]] ''[[KidHero teenager]]'' ([[OlderThanTheyLook who is not at all a teenager]]) that wields the [[{{Excalibur}} holy sword]] [[InfinityPlusOneSword to end all holy swords]], which none of the resident StandardFantasyRaces (who are much more accustomed to the LowFantasy their world tends to lean into more often than not) have at all bore witness to such an degree up until the point of Arturia's arrival, all while she easily {{no sell}}s ''any'' magic that doesn't belong to an [[TheArchmage Archmage]] due to having such high [[AntiMagic Magic Resistance]] thanks to ''herself'' essentially being the reincarnation of a dragon. This only increases as the Anchor begins changing Arturia into ''[[HumanoidAbomination something]]'' even ''she's'' [[WhatHaveIBecome not sure of anymore]].
* In ''Fanfic/DangerousTenant'', the ''Franchise/ResidentEvil'' series, which is basically a shooting game as characters fight their way through hordes of zombies, finds a new hero in the form of the Tenth Doctor (''Series/DoctorWho'') after he arrives in their world by accident. Where his allies could only shoot down the attacking zombies and try to stop the virus being released to create more, the Doctor is able to scientifically analyze the available information about the T-virus and devise a new version that will be perfectly harmless to humanity but render them all immune to the mutative effects of the T-virus from then on.
* ''Fanfic/CitadelOfTheHeart'' has the fic most noteworthy of this being ''[[Anime/DigimonAdventure Digimon Re: Adventure]]''. An OC Omegamon utilized elsewhere in the series, when her Fusion forcefully ends, her undying will to maintain her Fusion permanently comes to life as an Omegamon Zwart D known simply as "Blackheart". ''Digimon Re: Adventure'' is under most circumstances a PornWithPlot with a SliceOfLife type of tone, even though the partner Digimon still exist, and enemy Digimon do indeed exist elsewhere in the story. However, the jarring part about this is just how utterly bloodthirsty Blackheart is and her desire for genocidal war in contrast to every other villain wanting the protagonists alive if captured, not killed. Blackheart, and the Black Digitron which leaks from her entire frame, is the go to KnightOfCerebus for the entire fic, and is considered a VileVillainSaccharineShow due to how out of place she is within a PornWithPlot fic, even in spite of her being the central catalyst to the MythArc that actual plot utilizes.
* ''Fanfic/AbyssalPlain'' has made it apparent that the Others (Boogeymen) of the Abyss, while deadly and vast in their horror, are not used to a large group of combat experienced and battle-hardened superheroes and villains with abilities that Magic can't completely replicate.
* ''[[Fanfic/AkkoKagariUniverse Akko Kagari]] and the Evil Within'' sees the staff and student of [[Franchise/LittleWitchAcademia Luna Nova]], a WizardingSchool, fighting against a bioweapon with a purely scientific origin.
* In ''Fanfic/TemporalAnomaly'', the [[DarkFantasy Dark]]/LowFantasy medieval setting of ''Franchise/{{Drakengard}}'' is turned upside down by the arrival of [[Series/KamenRiderZiO Oma Zi-O]] - a [[AfterTheEnd post-apocalypse]] EvilOverlord in PowerArmor who can [[TimeMaster completely control time in any manner]] he wishes - an ability that has ''never'' existed in that world's history until now.
* ''Fanfic/TheNewAdventuresOfInvaderZim'': While canon has some fantasy elements, it's primarily a sci-fi setting, as this SeriesFic also is. However, one of the main antagonists of Season 1, Norlock, is a magic-wielding vampire.
* ''Fanfic/CodePrime'': A {{Downplayed}} example, in that while the Decepticons are robots in a mecha show, it's their morality that sets them apart. Whereas ''Anime/CodeGeass'' is a [[RealRobotGenre Real Robot show]] with GreyAndGrayMorality, in comes a [[CardCarryingVillain remorselessly evil]] force from the stars that fits a more idealistic [[SuperRobotGenre Super Robot show]], albeit a slightly darker one. Besides, [[spoiler: what's a human empire that utilizes Earth-made resources that fares well against transforming alien robots]]?
* ''[[https://www.fanfiction.net/s/6868583/1/We-Are-Nothing We Are Nothing]]'' has the iconic supernatural slasher villain [[Franchise/ANightmareOnElmStreet Freddy Krueger]] go on a killing spree at Hogwarts during Harry's fifth year. Since ''Franchise/HarryPotter'' antagonists are typically British wizards or magical creatures native to the Wizarding World, none of Hogwarts' students and staff (nor anyone from the Ministry of Magic) are prepared to deal with an undead American serial killer who murders his victims through their dreams, especially since Freddy's powers [[WrongContextMagic don't adhere to the rules of the Wizarding World's magic system]]. It takes 3/4 of the story for anyone besides Harry to even figure out ''how'' Freddy is slipping past Hogwarts' magical defenses and killing his victims, let alone actually come up with a way of possibly stopping him since the ''Harry Potter'' wizards have no known way of entering the dream world.

** ''Manga/DragonBall'' was a martial arts/comedy show in a world with some futuristic sci-fi elements and many more magical elements, and Goku and company dealing primarily with armies, powerful martial artists, and the occasional monster. Then came "[[KnightOfCerebus Demon King Piccolo]]" who was a force of pure evil who took the franchise to its darkest point (albeit, even though that was the original show's penultimate arc, that's still quite an early point).
** Then the sequel series ''Anime/DragonBallZ'' came and completely changed the direction into a strong sci-fi bent, with the first enemy being Goku's big brother, who revealed both of them were aliens. ''DBZ'' had practically changed genres into a martial arts/sci-fi show (though deities and the afterlife were strong elements), the final threat, Majin Buu, is an EldritchAbomination, and nobody knows where it came from.

* ''Literature/ParadiseLost'' is a Christian work. Mythical gods do appear, but reimagined as demons whom humans mistake as deities. However, in this cosmology, the space between Heaven, Hell and the mortal world is a huge and possibly infinite realm called Chaos, ruled by a figure also called Chaos, his consort Night, with a court including Chance, Rumour, Tumult and Discord. They're opposed to God, but they're not fallen angels, and we don't know where they came from. Admittedly they don't really affect the plot, other than allowing Satan passage through their territory.

* ''[[https://www.fanfiction.net/s/6868583/1/We-Are-Nothing We Are Nothing]]'' has the iconic supernatural slasher villain [[Franchise/ANightmareOnElmStreet Freddy Krueger]] go on a killing spree at Hogwarts during Harry's fifth year. Since ''Franchise/HarryPotter'' antagonists are typically British wizards or magical creatures native to the Wizarding World, none of Hogwarts' students and staff (nor anyone from the Ministry of Magic) are prepared to deal with an undead serial killer from the USA who murders his victims through their dreams, especially since Freddy's powers [[WrongContextMagic don't adhere to the rules of the Wizarding World's magic system]]. It takes 3/4 of the story for anyone besides Harry to even figure out ''how'' Freddy is slipping past Hogwarts' legendary magical defenses and killing his victims, let alone actually come up with a way of possibly stopping him since the ''Harry Potter'' wizards have no known way of entering the dream world.

* ''[[https://www.fanfiction.net/s/6868583/1/We-Are-Nothing We Are Nothing]]'' has the iconic American slasher villain [[Franchise/ANightmareOnElmStreet Freddy Krueger]] go on a killing spree at Hogwarts during Harry's fifth year. Since ''Franchise/HarryPotter'' antagonists are typically British wizards or magical creatures native to the Wizarding World, none of Hogwarts' students and staff (nor anyone from the Ministry of Magic) are prepared to deal with an undead, foreign serial killer who murders his victims through their dreams, especially since Freddy's supernatural powers [[WrongContextMagic don't adhere to the rules of the Wizarding World's magic system]]. It takes 3/4 of the story for anyone besides Harry to even figure out ''how'' Freddy is managing to kill his victims despite Hogwarts' legendary magical defenses, let alone come up with a way of possibly stopping him since the Aurors have no way of entering the dream world and Freddy can strike anytime without warning the moment his victim falls asleep.

* ''[[https://www.fanfiction.net/s/6868583/1/We-Are-Nothing We Are Nothing]]'' has the iconic American slasher villain [[Franchise/ANightmareOnElmStreet Freddy Krueger]] go on a killing spree at Hogwarts during Harry's fifth year. Since ''Franchise/HarryPotter'' villains are typically British wizards or magical creatures native to the Wizarding World, none of Hogwarts' students and staff (nor anyone from the Ministry of Magic) are prepared to deal with an undead, foreign serial killer who murders his victims through their dreams, especially since Freddy's supernatural dream powers [[WrongContextMagic don't adhere to the rules of the Wizarding World's magic system]].

* Common in Creator/MarxBrothers movies, such as ''Film/DuckSoup'', ''Film/ADayAtTheRaces'', ''Film/ANightInCasablanca'', etc. These flicks were populated by characters out of straightforward melodramas, such as earnest young lovers and nefarious villains ... except for the Marx Brothers, who were vaudeville sketch comedy characters. This throws the villains' plans awry, since it's hard to manipulate people who will do completely random things [[ItAmusedMe for the sake of a gag]] and will pull off stunts that ''should't'' work but ''do'' because of the RuleOfFunny.

* Common in Creator/MarxBrothers movies, such as ''Film/DuckSoup'', ''Film/ADayAtTheRaces'', ''Film/ANightInCasablanca'', etc. These flicks were populated by characters out of straightforward melodramas, including nefarious villains pulling some sort of confidence scam ... except for the Marx Brothers, who were vaudeville sketch comedy characters. This throws the villains' plans awry, since it's hard to manipulate people who will do completely random things [[ItAmusedMe for the sake of a gag]] and pull off stunts that ''should't'' work but ''do'' because of the RuleOfFunny.

* ''Fanfic/ASecondChance'': [[SavageWolves One Eye]], as he’s not a human and not even the protagonists fully understand [[ItCanThink how he ticks]], along with the fact that his main motive is to brutally ''kill'' them, thus raising the stakes whenever he shows up. The same is true for the Loud sisters and Bobby during their brief stint as [[OurZombiesAreDifferent flu-zombies]].

* ''Literature/ASongOfIceAndFire:''

* ''Film/MissionImpossibleDeadReckoningPartOne'': Compared to the likes of the other villains of the [[Film/MissionImpossibleFilmSeries film series]], all of whom are either terrorists, rogue agents, or arms dealers, The Entity feels more like a villain you'd see in either ''Franchise/{{Terminator}}'', ''Franchise/TheMatrix'', [[Film/AvengersAgeOfUltron the MCU]] or ''VideoGame/MegaManX'' due to it being a [[AIIsACrapshoot sentient, rogue A.I.]]

** The crossover trend started with the crossover between ''Series/NinjaSentaiKakuranger'' and ''Series/ChourikiSentaiOhranger''. The former deals with ninja's using SupernaturalMartialArts to fight magical demons, while the latter is a military organizations who deals with an AlienInvasion of sentient robots. ''Power Rangers'' uses footage of this team up, but since all villains are aliens at this point in the show, the encounter does not feel as contrasting compared to the ''Sentai'' version.