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[[quoteright:350:[[ComicBook/{{Fables}} http://static.tvtropes.org/pmwiki/pub/images/rsz_fable_new_edition_cover_6009.jpg]]]]
[[caption-width-right:350:Literature/{{Snow White|AndTheSevenDwarfs}}, TheBigBadWolf, a [[Literature/TheWonderfulWizardOfOz flying monkey]], a [[Literature/TheThreeLittlePigs little pig]], Little Boy Blue, Literature/BeautyAndTheBeast...yup, the gang's all here.]]

->''"Believe what?" asked Shadow. "What should I believe?"\\
"'''Everything'''," roared the buffalo man.''
-->-- ''Literature/AmericanGods''

In {{fantasy}}, all myths, legends, and folk tales are either accurate descriptions of past events or accurate predictions of the future.

If the hero's got to do something BecauseDestinySaysSo, these are the official mandates that forces them to do it. Saying "It's just a myth" usually marks a [[JadeColoredGlasses jaded skeptic that has lost all faith in the world]] or a {{Muggle|s}} knee-deep in what's going to hit the fan.
If a character tells the hero a story and then adds: "but it's probably just an old fairy-tale" -- you can bet anything it's completely true and very soon, the hero will see firsthand whatever the story was about.

AndManGrewProud, DominoRevelation, and PropheciesAreAlwaysRight are {{SubTrope}}s of this. For versions where the myth is ''based'' on truth but people got the details wrong, see GodGuise, CargoCult, AncientAstronauts, PhysicalGod, SufficientlyAdvancedAlien, and AGodAmI. If this treatment is given to only one pantheon/religion/what-have-you, see AMythologyIsTrue. For characters who might live in a world where AllMythsAreTrue and despite solid evidence don't believe it, see FlatEarthAtheist.

For the [[JustForFun/SciFiCounterpart scientific counterpart]], see AllTheoriesAreTrue. For the conspiracy nut, there's the ConspiracyKitchenSink. For the video game rumor counterpart, see InfallibleBabble. Someone with the tendency to exclaim "That can't exist!" in one of these settings may suffer from ArbitrarySkepticism.

A not uncommon variant of this is to have only ''ancient'' myths be explicitly true and shown on screen, with the truth of modern religions going unexamined or remaining ambiguous; this is done for reasons similar to NoSuchThingAsWizardJesus, where writers avoid touching on religions with significant numbers of modern adherents in order to avoid the controversy that would come from putting them on equal footing with myths few modern readers treat seriously.

This goes hand in hand with the LawOfConservationOfDetail: if a myth is mentioned in a show, it should be relevant to the plot, and the myth being true will certainly help with that. CrossoverCosmology and FantasyKitchenSink are closely related. See also TheLegendOfChekhov.

Not to be confused with ClapYourHandsIfYouBelieve (and its sub-trope GodsNeedPrayerBadly), where believing in a myth ''makes'' it true. OneMythToExplainThemAll is if they all stem from the same source (aliens, wizards, etc).



[[folder:Anime and Manga]]
* Kind of subverted, kind of played straight in ''Manga/{{Arago}}''. For example, Werewolves don't exist, [[spoiler:but a wolf pelt that turns a person into a werewolf-like creature does]].
* The second episode of ''LightNovel/{{Baccano}}'' gives us the {{Urban Legend|s}} of the Rail Tracer: a monster that slowly snatches up and devours the passengers of the train [[SpeakOfTheDevil on which its tale is told on]]. Then a [[GambitPileup 3-way war]] breaks out over [[TrainJob train-hijacking rights]] and...''something'' decides to start picking off instigators and leaving their twisted and mutilated corpses. [[spoiler:Turns out that the Rail Tracer is the [[BadassNormal entirely human]] and [[RedHerringShirt supposedly dead]] train conductor that first told the story, and doesn't particularly like people messing up his train. Did we mention that he's also a not-entirely-sane assassin that likes a good RoaringRampageOfRevenge?]]
* ''Anime/CastleInTheSky'' blends legends and myth with that of biblical events. Muska references the blast from the mystic city of Laputa with that of Sodom and Gomorrah's destruction in the bible.
* ''Manga/ACertainScientificRailgun'' has as a running gag the characters mentioning urban legends that all end up being true.
* ''Manga/{{Devilman}}'' has Akira's friend Ryo tell him that Demons once roamed the Earth before being frozen in the arctic while humans dominated the planet. He also mentions that some demons got free, and could be the true causes of monster myths like Wolfmen, Dracula, and Ogres.
* Subverted in ''Manga/DragonBall'' when Roshi tells Krillin and Launch the origin myth of the Dragon Balls. The legend he tells is more realistically played: parts of it are true or are based on reality, but the portrayal of it is false.
* Only three legends are ever mentioned in ''Manga/FullmetalAlchemist'', two of which turn out to be true. The Xingese legend of the Western Sage is [[spoiler:about Ed and Al's father]], while the Amestrian legend of the Eastern Sage is [[spoiler:about "Father," the BigBad of the series]]. The third myth is presented when Ed compares the circumstances that caused his own amputations to the story of Icarus (of Greek Mythology) flying into the sun and getting burned. Whether the Icarus myth is true in the FMA world is never clarified.
* ''Manga/{{Guyver}}'' suggests that the zoanoids changing between human and monster forms is the origin of myths like werewolves and vampires.
* ''LightNovel/HighSchoolDXD'' has a lot of mythologies existing in this story, Literature/ArsGoetia being the most prominent example. Myth/NorseMythology, Myth/HinduMythology, [[Myth/ClassicalMythology Greek Mythology]], it's all here though apparently there's also one more mythology that ''even the other gods of said mythology don't know about.'' The name of said mythology? [[spoiler: There is a breast god in this series.]]
* ''Manga/MariaTheVirginWitch'': Christian angels exist side-by-side with the Greek gods and Norse valkyries.
* ''Anime/MazingerZ'' and ''Anime/GreatMazinger'': Dr. Hell joined an archaeological expedition to the Greek island of Bardos, thinking maybe several ancient legends told that island was defended by an army of [[HumongousMecha mechanical giants]] were true. Unfortunately to everybody else, he was right. Myth/ClassicalMythology plays an increasingly important role in each retelling of the series, until the point of Greek gods start showing up and ''Anime/GreatMazinger'' BigBad is revealed being [[spoiler:Hades]] in ''Anime/ShinMazinger''.
* ''Manga/MissKobayashisDragonMaid'': Let's see... we have Kanna Kamui (named after an Ainu god) as one of the main characters, [[Myth/AztecMythology Quetzalcoatl]] and [[Myth/NorseMythology Fafnir]] are both secondary characters, and Tohru is mentioned to have a beef with Jesus' dad during the ChristmasEpisode. References to dragons from other mythologies are also made in the passing, like Herensuge from Basque mythology.
* ''Manga/SaintSeiya''. Blatantly obvious in the anime, with the addition of movies and a {{Filler}} arc. To the point where Greek gods, Norse gods, Buddha, and friggin' ''Satan'' fought Seiya and Co. And the universe was created by Big Bang, [[spoiler:so it's possible that Athena reincarnated as a Raptor]].
* ''LightNovel/SaiunkokuMonogatari'':
** The story begins with Shuurei telling her students the story of their country's founding, ending it by saying that according to legend, the eight immortal sages who helped the first emperor found Saiunkoku are still alive in secret among the people. This is absolutely true, and Shuurei goes on to become personally (albeit unwittingly) acquainted with several of them.
** A little later in the first arc, Shuurei begins to tell Ryuuki the story of the Rose Princess and how she married a mortal man. This story is not only ''also'' true, it's [[spoiler:the story of her parents' marriage]].
* ''Manga/SgtFrog'': About half the time, when it's not parodied to hell and back.
* ''Manga/ShamanKing'' also does mention about all prophets/chosen people in different cultures as being Shaman Kings from previous tournaments, although they only imply that with the most known ones, Jesus and Buddha. Some spirits used by shamans seem to be portrayed as Gods, too, like Shamash, and the Sphynx.
* This is brought up in the second season of ''LightNovel/SpiceAndWolf'' when Holo's past is being discussed.
* In ''Manga/YuYuHakusho'', Genkai explains that Botan went to see King Yama. When Kaitou tells her he thought he wasn't real, [[DeadpanSnarker she]] says it isn't the time for stupid questions.

[[folder:Audio Play]]
* Double Subverted in the AudioPlay/BigFinishDoctorWho adventure ''[[Recap/BigFinishDoctorWho033Neverland Neverland]]''. [[spoiler: The Doctor and the Time Lords head into a universe of Anti-Time to fix Charley's paradox, but it is revealed that the Time Lords have other motivations for heading there. It is revealed that legends on multiple planets speak of the great Time Lord Rassilon heading into the empire of Zagreus (the Anti-Verse) to face the beast himself. The legends seem to be true when they find the casket of Rassilon, which is given to them by the denizens of the Anti-Verse. However, it is revealed that the legends of Rassilon and Zagreus were planted by these so-called Neverpeople in order to lure the Time Lords into bringing the casket, which actually contains enough Anti-Time to destroy the universe. However, when the Doctor absorbs the Anti-Time into himself and the TARDIS to save the universe, a creature of Anti-Time is created inside him. It decides to take its name from a creature of legend.]]
--> '''The Doctor''' : [[spoiler: I have become... ZAGREUS!]]
* In LightNovel/GodComplex the first chapters alone, it's clear that figures like Jesus, Hera and Freya all exist in the same world. With the premise that sets up THE God as being dead and other pantheons vying for his position, it becomes clear that we'll see many gods from here on out.

[[folder:Comic Books]]
* In ''ComicBook/{{Crimson}}'', angels and demons exist and the War in Heaven is part of the story. Vampires, werewolves and a multitude of monsters collectively referred to as darklings. Myth/SaintGeorge plays a pivotal role in the story as God's mortal champion. The Underworld from Myth/ClassicalMythology is featured with Charon the boatman ferrying the dead and other pantheons are referenced.
* The ''CVO: Covert Vampiric Operations'' series has this at its core. The titular squad of vampires fights all sorts of supernatural threats. In fact, the only major human member of CVO is their boss Overmars, whose orders the vampires follow without question (most of the time). Overmars's NumberTwo is an [[WickedCultured erudite demon]] named Nikodemus (who looks a little weird, being all red with large horns while wearing a suit). Their scientific expert is a nerdy zombie (who hasn't lost his mind or gained a taste for human flesh). In later issues, they get two more operatives, one of which is a human GeniusBruiser the size of a defensive lineman and a Japanese {{katana|sAreJustBetter}}-wielding girl who can [[VoluntaryShapeshifting turn into]] a [[SnakePeople snake-like creature]] complete with SssssnakeTalk. Their normal enemies include everything from zombies and demons to aliens and {{Eldritch Abomination}}s. They also have MagiTek called Artillica, which appears to be the focus of many issues. And that's just a sampling.
* Creator/DCComics is like Marvel in its 'everything we published counts' approach, though with a few more notable exceptions- which of their Vertigo line of comics stories count and which don't isn't terribly clear, for example. Or at least, it exists in ''some'' form (like Batman of Zur-En-Arrh being a psychological construct, a 'backup' for if Batman's mind should be otherwise broken.) These days, with a CrisisCrossover {{Cosmic Retcon}}ning out everything the current writer doesn't like at least once every other year, it's hard to know what of the previous month's comics counted at any given time, let alone one from fifty years ago. However, we do have the approach to myth and legend as the trope describes: Greek gods? Totally exist. King Arthur? Ditto. Ghosts, TheLegionsOfHell, things [[OurDemonsAreDifferent called demons]] that ''aren't'' TheLegionsOfHell, vampires, Biblical figures? Even characters who don't primarily deal with the supernatural have had multiple run-ins with all of the above. We have ''main characters'' in most of those categories, in fact.
** In Franchise/TheDCU, even if you just look at the Marvel Family, you've got [[ComicBook/{{Shazam}} Captain Marvel ]] whose powers come from Solomon and a selection of Greek and Roman figures, as well as his rival, Black Adam who gets HIS powers from the Egyptian pantheon. Both collections of myths spell out "SHAZAM", so they both have the same magic transformation word.
** The map of the Multiverse tying into ''ComicBook/TheMultiversity'' puts it up front, with Dream (the home of [[ComicBook/TheSandman the Endless]]), Heaven, New Genesis, Skyland (the home of the various pantheons), Nightmare, Hell, Apokolips and the Underworld (also known as the PhantomZone) all co-existing in the Sphere of the Gods. On another level, many of the Earths have heroes that are fictional in each other's worlds.
** Comically Lampshaded and Zigzagged by Harvey Bullock during the ''ComicBook/ThroneOfAtlantis'':
--> '''Harvey Bullock:''' {{Atlantis}}? I thought that was just a gimmick.
--> '''Aquaman:''' Gimmick?
--> '''Harvey Bullock:''' Mad Hatter ain't from [[Literature/AlicesAdventuresInWonderland Wonderland]], is he?
* Possibly to FantasyKitchenSink-levels in ''Webcomic/{{Digger}}''.
-->'''Ganesh:''' The Earth is so old, and home to so many strange things, that there is hardly an inch of ground that was never home to a shrine, or a god, or a battle, or some magical oddity. Even under the ground, you yourself have said, there are old gods, old prophecies, old lost things. It is not odd that this [[spoiler:bound god]] should be here, in this place. If anything, it is odd that we are not constantly hip-deep in such magical echoes of the past.
* This was the original premise of Creator/MarvelComics' ''ComicBook/TheEternals'', before they were [[CanonImmigrant shoehorned into]] the mainstream Marvel Universe. The Creator/JackKirby series had these beings and their enemies the Deviants, mistaken for gods and monsters and inspiring all of humanity's myths, legends and ancient religions. When they got switched to the FantasyKitchenSink of the MU, they were relegated to having merely been mistaken for ''actually-existing'' gods.
* The overarching plot of both ''ComicBook/{{Fables}}'' and ''Jack of Fables'' is, of course, that all fictional characters really exist and are living in New York. ''Jack of Fables'' introduces characters that represent literary devices, the most amusing of which is probably the Pathetic Fallacy. Characters introduced have included Snow White and her sister Rose Red, Beauty and the Beast, The Big Bad Wolf, The Frog Prince, Bluebeard, Pinocchio, Jack the Giant Killer, Prince Charming, Little Boy Blue, Old King Cole, Ichabod Crane of Sleepy Hollow fame, and many more. And that's just the comic, the game adds Mr. Toad, Bloody Mary, Tiny Tim, The Little Mermaid and the Jersey Devil (amongst others) to the mix.
* ComicBook/{{Hellboy}} IS this trope, except when he's fighting [[ThoseWackyNazis Nazis]], who are more often than not [[{{Ghostapo}} allied with the supernatural]] anyway.
* ''ComicBook/IZombie''. It's got the titular zombie, a ghost, a group of vampires, and a were-terrier. And this is all in the first two issues.
* WordOfGod says ''ComicBook/TheLeagueOfExtraordinaryGentlemen'' deliberately plays on this (it's less that all myths are true, instead that all ''fiction'' is true).
* Creator/NeilGaiman's ''ComicBook/TheSandman''. Where we learn that not only are all myths true, they themselves take a back seat to an even deeper and all-encompassing group of seven siblings known as The Endless, who embody seven big forces powering all the mythos throughout the entire universe.
** Dream is seen interacting with Greek deities, Satan himself, the cast of ''Theatre/AMidsummerNightsDream'' among many others. In one comic, Daniel Hall wanders into the Dreaming and encounters Eve, Cain and Abel. They each tell him a story, Eve tells a slightly altered version of the Book of Genesis, and Abel tells the biblical story of Cain and Abel. When Matthew the raven asks if they are the actual biblical figures, and how their life stories are supposed to fit in with the Big Bang and evolution, Abel says "Well... this wasn't exactly Earth..." before Cain cuts him off.
* Comicbook/{{Smite}}, just like its game.
* The ''ComicBook/TeenTitans'' {{Elseworld|}} ''Titans: Scissors, Paper Stone'' features a character who has this trope as a superpower. Jamadagni Renuka is a magician who is able to cast spells from any system of magic - even systems that explicitly contradict each other, or aren't commonly perceived as magic. She knows this, and she doesn't actually ''believe'' in any of it, but everything still works for her. [[spoiler: The entire story of the crossover is her attempt to stop a disaster she foresees by invoking a super team origin -- specifically, the start of the Wolfman-Perez ''Titans'' -- because that would mean the good guys would win.]]
* In the Franchise/MarvelUniverse you have [[ComicBook/TheMightyThor Thor]] and [[ComicBook/TheIncredibleHercules Hercules]] able to work together. Heck, in the Marvel Universe, ALL pantheons are real. Their leaders have the occasional meeting, for crises such as, say; [[ComicBook/SecretInvasion Skrull invasions]]? In fact, the approach taken by Marvel seems to be that EVERYTHING they have ''ever'' published--not just the superhero comics, but horror, science fiction, romance, western, humor etc. are ALL TRUE and part of the same setting--details to be worked out on a case by case basis. Yes, even ComicBook/HowardTheDuck.
* Lampshaded in issue #4 of the Franchise/MarvelUniverse miniseries ''Wisdom.''
--> '''Maureen Raven:''' Oh, for God's sake, the I Ching is true? Is there anything that ''isn't'' true?

[[folder:Fairy Tales]]
* In "Literature/SleepingBeauty", when the prince comes and asks after the castle, he gets a whole slew of false answers; although one old man does know the truth, it's not the popular one.
-->''Everyone answered according as they had heard. Some said that it was a ruinous old castle, haunted by spirits.\\
Others, That all the sorcerers and witches of the country kept there their Sabbath or night's meeting.\\
The common opinion was: That an ogre lived there, and that he carried thither all the little children he could catch, that he might eat them up at his leisure, without anybody being able to follow him, as having himself only the power to pass through the wood.''

* ''Fanfic/CosmicWarriors'', an AU ''Franchise/SailorMoon'' retelling, the author starts the story off with the first villain Usagi faces being a reincarnated hero from Irish mythology, Diarmuid Ua Duibhne.
* ''FanFic/DiariesOfAMadman'' plays around with this. Several human myths are actually true, such as Myth/{{Merlin}}, but others such as the Ancient Greek goddess Athena are actually the subject of {{Demythtification}}.
* ''FanFic/MyLesbianLifeWithMonsterGirlsMonsterYurisume'': In one chapter, Froze mentions that her species, the Fenrir, inspired several Inuit myths, like the great wolf Amarok, and later, Iormu states that she dated Thor, and the story of their breakup was blown out of proportion and eventually became the [[TheEndOfTheWorldAsWeKnowIt Ragnarok myth]].
* ''FanFic/NedStarkLives'', after the appearance of the Others, [[spoiler:the Night's King, the Stranger]], dragons and so many creatures of tales, many characters are starting to wonder if other stories they were told by their elders were true as well.
* The ''Literature/HarryPotter'' fanfic ''Fanfic/OneWorld'', dramatically expands the list of mythical creatures that exist in the Harry Potter universe due to research on various myths. Thus far Hogwarts has a professor that's a [[OurElvesAreBetter Drow]], {{Selkies|AndWereseals}} and [[SeaMonster Knuckers]] in Black Lake, TabletopGame/DungeonsAndDragons was invented by a former Cursebreaker that lost his magic, and [[spoiler: Voldemort has been shown to negotiate with devils and demons]].
* ''FanFic/RWBYReckoning'' shows that Adam and Eve were created, not by God, but by an [[AbusivePrecursors oppressive species known only as the Founders]]. Adam grew tired of seeing humankind suffer under their rule, and [[GiveMeLibertyOrGiveMeDeath decided to rebel]]. In the end, Adam and Eve were forced to construct a galactic portal, and escape to an uninhabited planet, armed with an array of Dust crystals.
* ''FanFic/SonOfTheSevenKingdoms'' combines the mythology of ''Literature/ASongOfIceAndFire'' and ''Franchise/TheElderScrolls'' and makes it nearly everything real: the Others are [[spoiler:Alduin's]] servants, vampires and Mythic Dawn want to get their hands into an Elder Scroll, [[spoiler:Daenerys, William and Arya can use Dragon Shouts]]...
* ''Fanfic/SonOfTheWesternSea'' takes the premise of ''Literature/PercyJacksonAndTheOlympians'' to the logical extreme.[[Myth/JapaneseMythology The Shinto Pantheon]] and members of the [[Myth/CelticMythology Tuatha de Danaan]] have appeared while the [[Myth/ChineseMythology Celestial Bureaucracy]], the [[Myth/HinduMythology Hindu Pantheon]], the [[Literature/TheKaneChronicles Egyptian]] [[Myth/EgyptianMythology gods]] and the [[Myth/RussianMythologyAndTales Koshchei]] have all been confirmed as existing. And those are just the ones mentioned so far.
* In ''Franchise/TheLegendOfZelda'' fanfic ''[[FanFic/TilTheSunGrowsCold Til the Sun Grows Cold and the Stars Grow Old]]'', all of the myths of Hyrule are proven to be true.

* ''Franchise/IndianaJones''. The Jewish story of the [[PublicDomainArtifact Arc of the Covenant]] and the medieval Christian tale of the [[PublicDomainArtifact Holy Grail]] are both proven to be unambiguously true. But so are some elements of Hinduism and the legend of the [[CrystalSkull Crystal Skulls]]. Not to mention stories of extraterrestrial visitation, and theories about Ancient Astronauts.
-->'''Pooka''': [[https://forums.spacebattles.com/posts/8438425/ You know, I kind of want to know how the cosmology of the Indiana Jones-verse works, given that it has, at least, an active Judeo-Christian God, active pagan gods, extraterrestrials, and psychic phenomena. And Nazis EVERYWHERE. It's like freaking Rifts.]]
* The TV-Movie series, ''Film/TheLibrarian'' completely runs on this, especially since it's the Librarian's job to find and store all the world's legendary and mystical items in a hidden underground room in the Metropolitan Public Library so that they'll be safe and won't be used for evil purposes. The room literally has everything: Pandora's Box, The Golden Goose, the Shroud of Turn, Medusa's head, the Holy Grail, Poseidon's Trident, The Ark of the Covenant, The Spear of Destiny, Pan's pipes, H.G. Wells' time machine, {{Excalibur}}, etc.
* ''Film/{{The Mummy|Trilogy}}'':
** "Hamunaptra's a myth." ...No it isn't. And no, the cursed mummy isn't a myth either.
** The sequels add the [[Wrestling/DwayneJohnson Scorpion King]] and the [[Creator/JetLi Dragon Emperor]].
* Invoked in ''Film/OhGod'' by God himself:
-->'''Jerry (reading from a list of questions):''' "'Is Jesus Christ the son of God?'"
-->'''God:''' "Jesus was my son. Buddha was my son. Mohammed, Moses, you, the man who said there was no room at the inn, was my son."
* ''Franchise/PiratesOfTheCaribbean'', which features zombies, Aztec and Greek (Calypso) gods, plus Davy Jones, the Kraken, the Fountain of Youth and working voodoo.
* Common in the films of Cartoon Saloon, which use Irish folklore in their stories. ''WesternAnimation/TheSecretOfKells'' has Aisling the forest fairy as well as the Crom Cruach as an antagonist, and ''WesternAnimation/SongOfTheSea'' is all about selkies but also includes various other fair folk.
* The ''Franchise/DCExtendedUniverse'' establishes that Myth/ClassicalMythology is real, with Zeus having created humanity. However, other legends with seemingly no relation also exist in this setting like [[Film/Aquaman2018 underwater kingdom of Atlantis]], South-American gods like the [[Film/SuicideSquad2016 Enchantress and her brother Incubus]], the [[Film/JusticeLeague2017 New Gods of Apokolips]] that attempted to invade Earth millenia ago before being stopped by an alliance between humans, Amazons and Atlanteans, and according to WordOfGod, Native American legends are real too with [[spoiler:one of [[Film/WonderWoman2017 Wonder Woman's companions in World War I]] being actually a demigod from Blackfoot myths]].

* Ancestral memories of the Homo lycanthropus species in "{{Literature/DarkerThanYouThink}}" by Creator/JackWilliamson are the basis for all legends of sorcerers, werewolves, other shapeshifters, vampires, malevolent gods, etc.
* The Alteriens of ''{{Literature/Alterien}}'' are actually the reason humans created the legend of elves and fairies.
* This is the whole point of Neil Gaiman's novel ''Literature/AmericanGods,'' in which every god/spirit/devil/etc. that mankind has ever dreamed up are still around, mostly living like normal folks. (For instance, Thoth and Anubis run a funeral parlor.) Deliberately manufactured myths are an exception; for instance the folk hero Johnny Appleseed exists (and is a different being than the historic John Chapman) but Paul Bunyan does not.
* In ''Literature/AstralDawn'', Caspian learns the old myths and legends were inspired from beyond the mortal plane by the actual beings those myths and legends were based on.
* ''The Bifrost Guardians'' by Mickey Zucker Reichert is another all myths are true, with the melding of technology to Norse myths to Christianity.
* Stephen Marley's ''Literature/ChiaBlackDragon'' trilogy ''Sorceress'', ''Spirit Mirror'', and ''Mortal Mask'' take place in 2nd century China, but there also appear Indian Buddhists, ancient Egyptians (in the back story) and a few Christians. It is suggested that the mythologies and afterlives of all four religions (Chinese, Buddhist, Egyptian and Christian) all exist. In addition to Stephen Marley's own original myths and creatures, of course.
* In the universe of Creator/ChristopherMoore's books the First Nation [[GreatGazoo Trickster God]] Coyote is the younger brother of the Egyptian deity Anubis, Jesus plays poker with an upstart CargoCult deity and there are vampires, djinn and angels, among other things.
* Creator/RobertEHoward's ''Franchise/ConanTheBarbarian'' has a number of gods that would, in Howard's [[TheVerse world]] become the basis of more modern deities. Crom, Lir, Babd, Macha and Nemain are all Celtic, the Hyborian Mitra becomes [[http://en.wikipedia.org/wiki/Mithra Mithra]], who's also something of a CrystalDragonJesus, the Shemite Ishtar becomes the Babylonian [[http://en.wikipedia.org/wiki/Ishtar Ishtar]], the Turanian/Hyrkanian Erlik becomes the Mongolian [[http://en.wikipedia.org/wiki/Erlik Erlik]] and the Stygian Set seems to be the basis for both the Egyptian [[http://en.wikipedia.org/wiki/Set_(deity) Set]] and [[http://en.wikipedia.org/wiki/Apep Apep]].
* ''Literature/TheDalemarkQuartet'' by Creator/DianaWynneJones features its own in-universe pantheon and myths, all of which are far more real than people believe (and far more factual than recorded history).
* ''Literature/TheDarkIsRising'' combines Myth/CelticMythology and Myth/KingArthur legends with touches of [[Myth/ClassicalMythology Greek]] and Myth/EgyptianMythology.
* To the utter lack of surprise of many, ''Literature/DigitalDevilStory'', the original source material for the famous ''Franchise/ShinMegamiTensei'' video game series, features such specimens as Kerberos, Loki, [[spoiler: Izanami]]and [[spoiler: Set]].
* Creator/TerryPratchett's ''Literature/{{Discworld}}'' series plays with this, like everything else.
** The universe is itself shaped by belief--if enough people believe something is true, it becomes true. ''Discworld/{{Hogfather}}'' explores the extremes of this idea with such characters as the Verruca Gnome and Bilius, the Oh God of Hangovers.
** In [[PunnyName Djelibeybi]], as seen in ''Discworld/{{Pyramids}}'', the FantasyCounterpartCulture of Egypt, all myths are true concerning their gods, which have been evolving and developing for seven thousand years. The priests are said to "never throw away a god in case they turn out to be useful" and to be able to "give headroom to a collection of ideas that would have made a theoretical physicist give in and hand in his badge" (paraphrased).
* ''Literature/TheDresdenFiles'' loves this trope. Legendary creatures from the folklore of every part of the world exist, deities from all pantheons are real (though some aren't active anymore), functional magic is an everyday reality, etc. It is heavily implied that these things are not real because they are myths, but myths because they are real -- people who had experiences with non-mortals told stories about them that the mortal world consumed. For example, [[Creator/BramStoker Bram Stoker]]'s ''{{Literature/Dracula}}'' was commissioned by the White Court vampires to educate people about Black Court vampires, who were prevalent at the time (and it worked - Black Court vampires are very rare in the series). Also, Mab has an autographed, personalized original copy of ''[[Creator/TheBrothersGrimm Grimms' Fairy Tales]]''. One reason this might occur in the Dresdenverse is that most GodsNeedPrayerBadly -- and it works both ways. SantaClaus is an aspect of [[spoiler:Odin]] that he assumes part-time and only relatively recently, as the myth has gained prevalence in the mortal world.
* In the ''Literature/{{Dune}}'' novels, the Bene Gesserit have a whole system of false myths called the Missionaria Protectiva. They purposely spread made-up prophecies that any member of their order can fulfill if needed. Thus, a member stranded on an otherwise hostile world can appear to be The Woman From the Prophecy.
* In K.A. Applegate's ''Literature/{{Everworld}}'' series, ''every'' god from ''every'' mythology gets together, and they create a parallel universe where they ''all'' rule. Complete with mythical creatures in addition to humans and mundane wildlife. This causes some problems when ''every'' god has an extensive cult, and they're ''all militant.'' Kill the heretic for worshiping Aphrodite and not Quetzalcoatl! Furthermore, several alien gods from other universes decide to crash the party, including the god-eating god Ka Anor of the Hetwan.
** Including both the Greek and Roman pantheons. Neptune and Poseidon are engaged in an eternal turf war because they can't stand [[OtherMeAnnoysMe each other]].
* In Anthony C. Gilbert's ''[[http://www.lulu.com/content/553426 Farther Up and Farther In]]'' all myths are true about life after death. Except, apparently, the belief that there isn't any, because the narrator is an atheist but gets sent to Hell, the Christian afterlife being the default for Westerners without other positive beliefs. Escaping from Hell (!) leads to a CrossoverCosmology where he meets Freja, Pan, Monkey and others: the final message (logically, given the opening premise) is that [[spoiler: All Gods Are One and we are One with them.]]
* In Matthew Laurence's ''{{Literature/Freya}}'' series, this is completely true for gods, and ''only'' gods. The only magical creatures and items in the world are those associated with or created by these deities, so unless a god decides to make a vampire, there won't be any.
* In LightNovel/GodComplex the first chapters alone, it's clear that figures like Jesus, Hera and Freya all exist in the same world. With the premise that sets up THE God as being dead and other pantheons vying for his position, it becomes clear that we'll see many gods from here on out.
* The ''Literature/HaroldShea'' series of short stories features a multiverse much like that of ''The Number of The Beast''.
* The ''Literature/HarryPotter'' world, much to Uncle Vernon's dismay, features this trope as far as fantasy creatures go. Dragons, mermaids, fairies, zombies, vampires, werewolves, leprechauns, griffins, banshees, giants, dwarves, goblins, ghosts and centaurs all feature, plus a few more exclusive to the Potterverse itself.
* In ''Literature/HisDarkMaterials'', many divining methods are actually just "talking to Dust", the sentient matter forming most of the universe.
* In ''Literature/IKnockedUpSatansDaughter'', the afterlife is described as being as diverse as Earth.
** Heaven is described as being like a first-world country that [[HellOfAHeaven treats its human slaves nicer than most, but with little hope of earning their freedom]].
** Hell is described as being like a former prison-colony for Heaven, now populated by the descendents of their population. They use human slaves (even retrieving more through succubi), and are even famous for treating them poorly, but they are sometimes set free by their masters.
** Valhalla would use its human slaves for gladiator-based entertainment before they decided not to use slaves anymore.
* The basis of Creator/RobertAntonWilson's ''Literature/{{Illuminatus}} Trilogy'' is that all conspiracy theories are true, especially the ones that contradict each other.
* In the ''Literature/ImmortalsAfterDark'' series by Kresley Cole, this is explicitly stated to be the case. One character says that every myth is an example of when some being in the Lore screwed up and let humans catch them existing.
* Creator/JohnCWright specializes in this: both his ''Literature/WarOfTheDreaming'' and ''[[Literature/ChroniclesOfChaos Orphans of Chaos]]'' series have appearances by every figure in ancient [[Myth/NorseMythology lore]] and [[Myth/ClassicalMythology myth]].
* While the FantasyKitchenSink of ''Literature/KittyNorville'' makes this trope fairly self-evident, a particularly effective and even insightful example occurs in book two when Ahmed explains that [[BeethovenWasAnAlienSpy Daniel of the lion's den was really a werelion]] and Enkidu of ''Gilgamesh'' was a werecreature as well.
->''This was thousands of years ago, remember. Humankind and animalkind were closer then--our years in the Garden together were not so long ago. And our kind, the lycanthropes, were the bridge between the two...It saddens me that the tribes in this country do not tell the old tales to one another. If we gathered to tell stories and drink more, there would not be so much fighting, yes?''
* In ''Literature/KrampusTheYuleLord'', Krampus and Santa Claus are deities from Norse Mythology (apparently). However, angels and the monotheistic god also exist.
* Many fairy tales (if not all) are real tales from ''Literature/TheLandOfStories''.
* In Creator/DouglasAdams' ''Literature/TheLongDarkTeaTimeOfTheSoul,'' all the Norse gods and legends are true. Also involves a subversion of GodsNeedPrayerBadly, as Thor comments at one point that humanity created the gods, but just because we no longer need them doesn't mean they go away. I Ching also has a truth, as do other "impossibilities".
* In Creator/OrsonScottCard's ''Literature/TheLostGate'' the Westillian Families are the basis of all Indo-European pantheons. It is inferred that other cultures' deities, including the Abrahamic one, have similar origins.
* In ''Literature/{{Masques}}'' shapeshifters exist, but they can turn into many things, wolves being only one. And silver is not an effective weapon against them, iron is much more of a problem. It is played straight in-universe, as more or less all myths, stories and old tales that are mentioned prove to be true in some way or the other. And then there are [[spoiler: dragons]]. Undead are so commonplace the protagonist believes in them from the beginning.
* In [[Literature/{{Reckless}} The Mirrorworld Series]] All Fairytales Are True. Even [[DarkerAndEdgier Sleeping Beauty]] shows up!
* Lampshaded explicitly several times in both ''Literature/TheMortalInstruments'' and ''Literature/TheInfernalDevices''.
* True in John Barnes's ''Literature/OneForTheMorningGlory''. It's {{lampshade|Hanging}} as one of the distinguishing marks of the kingdom, to distinguish it from lands that are merely actual.
* In Erika Griffin's novel ''[[http://www.amazon.com/One-Who-Waited-Erika-Griffin/dp/1411627164 The One Who Waited]]'', Alice ponders this during the course of the story, as she comes to realize that there are such things as Boogeymen and wonders if other monsters might exist as well.
* This is the premise of the novel ''Out of Their Minds'' by Creator/CliffordSimak.
* In ''Literature/PrinceCaspian'' from ''Literature/TheChroniclesOfNarnia'': Caspian was always taught that the "old Narnians" were myths and fairy tales, then he learns that they are in fact real. The appearance of the Pevensies and Aslan also turns out to be this for many old Narnians.
* From ''Literature/PrincipiaDiscordia'':
-->'''Greater Poop''': Is Eris true?
-->'''Malaclypse the Younger''': Everything is true.
-->'''GP''': Even false things?
-->'''M2''': Even false things are true.
-->'''GP''': How can that be?
-->'''M2''': I don't know man, I didn't do it.
* In ''Rainbow Mars'' by Creator/LarryNiven, all of the Martian legends are true, from H. G. Wells to Edgar Rice Burroughs.
* In the shared [[TheVerse Verse]] of Creator/RickRiordan's works:
** ''Literature/PercyJacksonAndTheOlympians'', the Greek gods are real: features of Greek myths move around depending on where the center of Western civilization is. Olympus is on top of the Empire State Building; the entrance to the Underworld is in Los Angeles.
** In ''Literature/TheKaneChronicles'', the Ancient Egyptian Pantheon exists too.
** ''Literature/TheHeroesOfOlympus'' adds the Roman Gods as the Greek Gods' alternate personalities, though it also does confirm something that is truly just a story: the sunken city of Atlantis (at least from the Greek and Roman perspective).
** ''Literature/MagnusChaseAndTheGodsOfAsgard'', featuring a cousin of Annabeth Chase (from ''Percy Jackson'' and ''Heroes of Olympus''), adds the Norse Pantheon to the mix.
** Teasing in ''Heroes'' and ''Magnus Chase'' also hinted at Aztec gods, which ''Literature/TheTrialsOfApollo'' confirmed do exist, even if that is all that said about them.
** In the second ''Apollo'' book, the title character also mentions in passing past experiences where his sun chariot almost struck a Chinese celestial dragon, indicating that Chinese mythology exists in this universe as well. Granny Zhang had made mention of them in passing in Son of Neptune. In the same book a Demigod from an African pantheon also showed up. He also mentions interacting with Indra from Hindu mythology, though due to author statements on the subject and the topics covered in the books it is unclear if it [[Literature/AruShahAndTheEndOfTime is in reference to the version in the Rick Riordan Presents line or not]].
** In the first ''Magnus Chase'' book, it is mentioned that Thor once challenged Jesus to a duel, but the latter never showed up. [[RealityIsUnrealistic This was something that was told in myths at the time as anti-Christian propoganda]]. The third book suggested that Celtic Mythology, at least the Irish variant, may also exist.
* Creator/RobertAHeinlein's later novels, beginning with the novel ''Literature/TheNumberOfTheBeast'' (though he used the concept almost 40 years earlier in his short story ''Elsewhen''), deal with the World As Myth, and expand it to the ''[[TheMultiverse multiverse]]''. In his multiverse, All Stories Are True and Exist, somewhere -- and if you've read the stories, it's possible to visit the universe in which the story takes place. He shows this by having his four protagonists visit several universes, albeit unknowing. A side effect of this is that ''all'' worlds are part of a story, somewhere... and that anyone who writes a story has become the literal God of the universe the story creates.
* Children's author Creator/RobinJarvis loves this trope. The ending of the ''Wyrd Museum'' series features [[spoiler: the deaths of the Nornir by the Spear of Antioch, as well as the ice giants being finally defeated by the Eye of Balor on a spinning weathercock]].
* S. M. Stirling's works:
** ''Literature/{{Emberverse}}'': While not exactly working together the Christian, Celtic and Norse pantheons are all backing the [[CaptainErsatz Arthurtype hero]] in various ways against the ReligionOfEvil for {{Eldritch Abomination}}s.
** In the ''[[Literature/TheShadowspawn Shadowspawn]]'' series, the title beings are the basis for just about every legend of magic or monsters (especially vampires and werecreatures) there is.
* In ''Literature/TheSecretsOfTheImmortalNicholasFlamel'', all deities in religions and myths are either part of the Elder Race, or are their children born after the fall of their homeland Danu Talis (which is actually Atlantis).
* ''Literature/TheSookieStackhouseMysteries'': In addition to vampires, there are [[spoiler: Maeneds, shifters, Weres (not just wolves), fairies, demons, witches, goblins, and even vampire Elvis]].
* Lizzie visits several worlds in Literature/SpiderCircus and encounters werewolves, vampires, selkies and more. It seems that people who can travel to other worlds are responsible for the spreading of these myths.
* ''Literature/TheSpiralSeries'' doesn't restrict itself to historical myths. Everything that has, can or even '''will''' be imagined can be present at some point within the Spiral.
* In the ''Literature/TalesOfTheFiveHundredKingdoms'' by Creator/MercedesLackey, all fairy tales, from Russian to Middle Eastern to the Brothers Grimm and anything else, are true. In fact, a magical force known as the Tradition actively works to try and make them come true. Those that know this will use the Tradition to their advantage.
* The setting of ''[[Literature/{{Somewhither}} A Tale of the Unwithering Realm]]'' is TheMultiverse with numerous AlternateHistory versions of Earth, where critical parts of Biblical history went differently. Pretty much every fictional being from ancient or medieval imagination is real somewhere--there are worlds inhabited by the [[Myth/NorseMythology Svartalfar]], [[Myth/HinduMythology Nagas]], or the creatures from medieval travellers' tall tales (headless humans with faces on their chest, men with a single giant foot, etc.)
* In Creator/JasperFforde's ''Literature/ThursdayNext'' and ''Literature/NurseryCrime'' series all fictional characters are real(ish) and exist in a parallel universe called the Well of Stories. Fictional characters do have a few traits that differentiate them from "real" people (it's complicated), but in the Bookworld all stories are true.
* In Brandon Sanderson's ''[[Literature/MistbornTheOriginalTrilogy The Well of Ascension]]'', the TwistEnding is that [[spoiler:the prophecies have been deliberately altered by a powerful being in order to manipulate humanity/the heroes into freeing it]].
* ''Literature/YoungWizards'' plays with this trope, in that many myths were inspired by the non-mythical actions of the godlike PowersThatBe. For example, the [[CelestialParagonsAndArchangels extremely powerful]] Winged Defender is the inspiration for (among other things) Thor, Athena, Prometheus and the archangel Michael.
* ''[[Literature/ZeusIsDead Zeus Is Dead: A Monstrously Inconvenient Adventure]]'', despite its premise of the Greek gods making a public return to the modern world, also averts this: Hera (at the gods' first press conference) specifically states that while the Olympian gods ARE real, other gods such as Thor, Loki, Anubis, and Elvis Presley are not.

[[folder:Live-Action TV]]
* Averted in ''Series/BabylonFive'''s episode "A Late Delivery From Avalon"--an arrival on the Babylon 5 station claims to be King Arthur, brought back among humanity after a long hiatus (when he was "taken to Avalon" on a mysterious "ship"). There is actual discussion among the main characters as to whether this could be true, since there was already a known case where the Vorlons did abduct a historical figure and used him to do their bidding in other times ([[spoiler: "Comes the [[UsefulNotes/JackTheRipper Inquisitor]]"]]). But it turns out [[spoiler: he was from the present time, suffering trauma-induced delusion from being the officer who fired the first shot that started the Earth-Minbari War years ago]].
** Then (perhaps) played straight in Babylon 5: The Lost Tales, where a man possessed by a demon turns up on the station.
* Subverted as a RunningGag throughout ''Series/BuffyTheVampireSlayer'' and ''Series/{{Angel}}''. Despite living in a world where vampires, werewolves, witches, dragons, demons, and zombies are all real and have been encountered by the main cast at one point or another, everyone agrees completely unanimously that leprechauns aren't real. Unfortunately, Santa is also real, a child-eating demon who comes down chimneys. DoubleSubversion as of the ''Season 10'' comics; as it turns out, leprechauns ''do'' exist.
* ''Series/{{Charmed}}'':
** Angels? Check. Vampires? Check. Titans? Check. Leprechauns? Check. Demons? Check. Genies? Check. Human representations of the animals in the Chinese calendar? Sure, why the hell not?
** An interesting case occurs with PandorasBox. In the season 3 episode "Sin Francisco", Leo claims a box holding the seven deadly sins inspired the legend of Pandora's Box, implying it didn't exist. The season 7 episode "Little Box of Horrors" would have the Charmed Ones deal with the actual Pandora's Box.
* You got a little bit of everything in ''Series/TheChronicle''. The show picks up on the plot line in ''Film/MenInBlack'' that everything written in tabloids is true and runs with it. The very first episode has an ugly-looking creature that kills dogs. The creature turns out to be a priest from a peaceful alien culture who only kills small animals for sustenance. It also introduces a half-man/half-pig who works in the ''Chronicle'' archives. One of the main characters is a multiple-abductee. Another episode features a technopathic ghost.
* ''Series/{{Fringe}}'' started off seeming like a SpiritualSuccessor to ''Series/TheXFiles'', focusing on a unit of the FBI investigating seemingly paranormal phenomena and switching between MonsterOfTheWeek episodes and MythArc episodes. However, it's gradually revealed that ''everything'' paranormal is part of one pattern that began when [[spoiler: Walter crossed into an alternate universe to save that universe's version of his son]]. In other words, what seems paranormal is only pseudoscientific. Also, in one episode, Walter makes it clear that while he believes in many things, he draws the line at ghosts.
* ''Series/TheLibrarians2014'' has its heroes encounter beings from mythology, fairy tales, literature and urban legend. The Minotaur, dragons, a genie, Dorian Gray, the big bad wolf, Santa Claus, King Arthur's knights, a demon, Frankenstein's monster, The Queen of Hearts, Sherlock's nemesis Moriarty and Shakespeare's Prospero have all boasted screen time.
** {{Word Of God}} from series creator John Rogers is that all the mythologies we've heard of are correct, but maybe not the exact version we've heard, allowing the writers to draw upon all of those for characters to appear in the show.
* In ''Series/LostGirl'', all mythological creatures (including phoenixes and unicorns) are real and are really [[TheFairFolk Fae]]. [[BadassNormal Kenzi]] takes it all in stride, then becomes absolutely terrified when she realizes this means Literature/BabaYaga is real. Later, nobody can find any references to the Garuda, because the race actually predates the Fae and no myths or legends of them were written or told.
** Which is odd, because Garuda IS a real figure in Hindu Mythology and enemy of the Naga, just as in the show.
* The final ''Series/{{Quatermass}}'' serial has stone circles (which do nothing; the stones only mark the places where people congregated in the past) around the world becoming activated; people congregate there (an activated race memory), expecting to be: contacted by aliens, 'raptured' into heaven, 'go to the planet', etc. Instead, they are 'harvested' by an interstellar energy beam that reduces them to dust, with a tiny fraction lost to the beam. It is further suggested that all religions, and by extension, all of human politics, wars and history, have been the result of this race memory: to congregate and be harvested.
* Stated verbatim by Jace in ''Series/{{Shadowhunters}}''. The series indeed has vampires, warlocks, werewolves, and countless demons.
* In ''Series/{{Supernatural}}'', everything but Bigfoot, and possibly unicorns, has been confirmed to exist in some shape or form. Makes you feel sorry for the poor bastards who exist in that reality, given how practically every monster, folklore, wives tale, myth and legend either hates humanity or loves to eat humanity. Angels, demons, werewolves, zombies, gods (including the [[{{God}} big cheese Himself]]), ghosts, witches, fairies, ghouls, djinn, shape shifters, hellhounds, banshees, golems, and wendigos, among others, have all had screentime at one point.
* ''Series/WizardsOfWaverlyPlace'' seems to be something of a kitchen sink fantasy series. Always PlayedForLaughs.

* Steampunk-themed band ''Music/AbneyPark'' explores this in many of their songs, most notably in the aptly named "All the Myths are True".
* ''{{Toys/BIONICLE}}'' has made liberal use of this, though most of the myths have been distorted through the ages, and the rest have other things keeping them from being perfectly straight examples:
** In the first few years of the franchise, each time a new threat appeared, the Turaga elders had a legend ready to explain their presence. Eventually, the Toa got [[RageAgainstTheMentor rather annoyed]] with being kept out of the loop until the last minute, finally getting the Turaga to explain just where they got all their information:
** The original backstory said that the Great Spirit brought the Matoran out of darkness to the island of Mata Nui. We later find out that it was actually the Turaga who rescued them (as Toa Metru) from their ruined city of Metru Nui, they just credited the Spirit with giving them the strength and abilities to do so. (They also treated Metru Nui's existence as a [[TheGreatestStoryNeverTold Greatest Story Never Told]] to keep the Matoran from remembering and getting homesick.)
** One story said that poor workers were sent to the dreaded realm of Karzahni to be punished. In truth, poor workers were sent to Karzahni to be ''fixed''; it's just that Karzahni was a really crappy healer and he never let anyone leave.
** One legend that ''isn't'' real is that of the monster Irnakk -- that is, it ''wasn't'' real, until the Piraka entered an area that brought worst fears to life... (Thankfully, Irnakk only existed briefly before vanishing.)

[[folder:Tabletop Games]]
%%* With TabletopGame/ChangelingTheLost, good god where to begin?
* The ''TabletopGame/{{Eberron}}'' setting of ''TabletopGame/DungeonsAndDragons'' has a version of this: in contrast to most settings in which Clerics derive their powers from one of a set of specific gods chosen by the DM and which definitely and demonstrably exist, in Eberron, anything a cleric believes in sufficiently works. Clerics can be devoted to abstract concepts (like "Justice") instead of specific gods, and there's at least one religion in which the followers ''know'' their god doesn't exist (yet) because they're in the process of ''building him''.
* There are many religions sharing the world of ''TabletopGame/{{Pendragon}}'', often with wildly differing beliefs about history and metaphysics. Each one is described by the books as if it was the objective truth, and each one can back up its claims with [[ReligionIsMagic actual miracles.]]
* In ''TabletopGame/RuneQuest'', the different races and cultures each have their own religion, with mutually incompatible stories about the creation of the world and the nature of reality. However, in-game, all myths are true, and priests of the rival pantheons are equally powerful.
* In ''TabletopGame/{{Scion}}'', the gods of the old polytheistic pantheons are real, and you play one of their children. Second edition tweaks this; ''most'' of the gods are real, but some gods assume different aspects in different cultures. The Greek pantheon are the most notorious in this regard, also being the Etruscan and Roman gods in their other aspects.
** In ''Scion'' 1e, however, the Abrahamic god is ultimately a facade for one of the [[OurTitansAreDifferent Titans.]]
* ''TabletopGame/{{Shadowrun}}'' has everything from Sasquatch to both Western and Eastern Dragons reappearing after 2012. And pretty much every tradition of magic actually works now and summons different spirits ranging from angels to kami to nature spirits.
* There is a general ''TabletopGame/WorldOfDarkness'' skill called "Occult" which allows you to attempt to tell whether some myth is true or not. This is exceptionally valuable in ''TabletopGame/MageTheAscension'' because of the nature of [[ClapYourHandsIfYouBelieve a mage's power]]: if they get it wrong, it may be correct for exactly as long as they're paying attention to it, then revert to the way it actually really is the moment they stop paying attention. This can be even worse than getting it wrong in the first place. Consider trapping a vampire in a corner by leaving a holy symbol in the middle of the room, then going out for coffee... with the vampire no longer trapped the moment your back is turned.
** Subverted in ''TabletopGame/MageTheAwakening'', where part of being a mage is sorting through which myths are true and which are not. Note that, in this case, "true" probably means "contains a tiny kernel of actual supernatural, historical or cosmic insight which was either implanted or leaked through into the human consciousness", while "not true" probably means "was deliberately fabricated by other mages in order to mislead those who would seek the truth, was deliberately fabricated by other mages in order to manipulate the course of human culture, or was just a myth that people came up with".

[[folder:Video Games]]
* ''VideoGame/BlazBlue'' borrows seiðr (here rendered as "seither"), as well as symbolism of Ragnarök and Ratatoskr from Norse Myth. It also has playable vampires and werewolves. Though the heaviest influence is Shinto, with Murakumo (Nu), Susano'o (Hakumen) and Orochi (Black Beast) being integral to the GroundHogDayLoop of ''Calamity Trigger'', while Amaterasu (Master Unit) and Kusanagi (Mu) are central to the plot of ''Continuum Shift''. And in ''Chronophantasma'', the GreaterScopeVillain is revealed to be [[spoiler:none other than Izanami herself]], while in ''Central Fiction'' [[BigBad Yuuki Terumi]] [[spoiler:is actually the physical embodiment of the will of the god [[SatanicArchetype Susano'o]] himself, with his [[GrandTheftMe body having been used by Hakumen]] for the past three games before he finally takes it back]].
* In the ''Franchise/{{Castlevania}}'' series just about every fictional creature has appeared at some point, mostly as the enemies the player fights.
* Some of the local legends recounted to the protagonists of ''VideoGame/ChronoCross'' turn out to be... slightly skewed.
* The ''VideoGame/CreepypastaLand'' is this,but with creepypastas. Slender Man,Jeff the Killer,Ben Drowned,Laughing Jack....
* In the ''VideoGame/DarkParables'' series of PC games, all fairy tales are true - and interconnected. Their sister series ''VideoGame/{{Cursery}}'' says that all nursery rhymes are true and created by Mother Goose herself.
* The ''Franchise/DragonAge'' franchise plays with this. First we're presented with a hodgepodge of different systems of beliefs from cultures current and gone, and at times, contradictory, yet every group vehemently insists that all ''their'' beliefs are true. (So, pretty much like the real world, then...) It's difficult to reconcile the elven gods, the Maker, the Old Gods of Tevinter, and dwarven beliefs in the Stone as being part of the same cosmology. As the franchise develops, however, we gradually learn that while most of the myths (such as the Tevinter magisters' foray into the Black City, the elves' loss of their gods and immortality, or the dismantlement of the first Inquisition) have some basis in fact, the truth was quite different, distorted over centuries of misinterpretation -- as verified by people who really were there at that time...
** There are also fewer direct contradictions than you'd think. For instance, the dwarves and elves don't have universal creation myths of any kind, only ones about how specific things were created. Absolutely nobody questions whether the Old Gods exist, only if they count as gods. The Chantry story of the mages who blackened the Golden City and unleashed the Blight is doubted by many, but the blackening of the city is a historical fact confirmed by mages in other cultures and the first Blight did start shortly afterwards. The really big revelation ([[spoiler: that the spirit world known as the fade and the mortal world were only seperated shortly before the beginning of recorded history and long after the first civilizations had been established by elves dwarves and humans]]) was something they ''all'' got wrong.
* ''Franchise/TheElderScrolls'':
** In the series' lore, this is the implication of the many differing religious beliefs and creation myths. While there are many shared elements, there are numerous contradictions as well. Despite this, they all seem to have elements of truth regardless of the contradictions. At the very least, it is implied that all myths are at least MetaphoricallyTrue.
** ''[[VideoGame/TheElderScrollsIIIMorrowind Morrowind]]'' features an Aversion, in that the particulars of a certain historical event relevant to the main plot of the game is [[RashomonStyle recounted differently by different parties]]. This is more a case of deliberate revisionism. The main quest still requires the player to live up to a prophecy's version of the champion against the BigBad, who turns out to be something of a WellIntentionedExtremist.
** Played with humorously in ''[[VideoGame/TheElderScrollsIVOblivion Oblivion]]'' where Sheogorath asks you (or you [[AGodIsYou ask yourself]] if you've [[spoiler:become Sheogorath]]) to fulfill a prophecy a small village has about the end of the world that includes attacks by rats and ''FLAMING DOGS DROPPING FROM THE SKY''. The prophecy is used as little more than a prank.
* The UsefulNotes/GameBoy game ''Final Fantasy Legend II'' (''VideoGame/{{SaGa 2}}'' in Japan) avoids this. One world your characters explore has a myth that turns out to be true and another myth that turns out to be false. [[spoiler:Also, there are actually 78 "MAGI", not just 77 as mentioned at the beginning of the game.]]
* In ''[[VideoGame/FireEmblemTellius Fire Emblem: Path of Radiance]]'', the heroes learn that a medallion holds a [[SealedEvilInACan dark god]] who will bring TheEndOfTheWorldAsWeKnowIt if freed, and it can be freed by MagicMusic or a huge war. The fact that certain people can become mindless berserkers by wielding the relic reinforces this belief. But in the sequel, ''Radiant Dawn'' it turns out to be a lie spread by the Dragon Laguz king in vain hopes that it'll prevent war between everyone in Tellius. In truth, endless war will actually awaken the goddess Ashera, who will see the wars as a sign that those living in Tellius are failures, and must be purged away to allow for a perfect world.
* ''VideoGame/GodOfWarSeries'': While predominately focused on Greek mythology, creatures from outside the Greek pantheon have appeared. ''[[VideoGame/GodOfWarChainsOfOlympus Chains of Olympus]]'' features the appearance of a {{Basilisk|AndCockatrice}} and an [[OurGeniesAreDifferent Efreet]], both from Arabian mythology, and the [[VideoGame/GodOfWarPS4 upcoming PS4 game]] shifts the focus to Norse mythology. [[WordOfGod David Jaffe's]] original plan for the series was that after the destruction of the Greek pantheon, Kratos would join forces with his Norse mythology equivalent to destroy the Norse pantheon, and then the two teaming up with their Egyptian mythology equivalent to destroy the Egyptian pantheon. From there, the series would end with the three former gods [[TheThreeWiseMen going to a star in the north and witnessing the birth of Jesus.]]
* ''Videogame/{{Homeworld}}'' During HomeworldDesertsOfKharak (which takes place 106 years prior to the original game), the main religious clan opposes any development of spaceflight, saying that it is opposed by Sajuuk (the creator/god of the Kushan people), and that any attempt to achieve spaceflight will result in Sajuuk's wrath destroying Kharak. Unknown to anyone at the time, any attempt to achieve spaceflight (more specifically, hyperspace) WILL result in the destruction of Kharak, and that there is a very real truth behind the myth. A few thousand years earlier, the Higaran Empire lost a war, which resulted in Higara being taken over by the Taiidan, and the remnants of the Higaran civilization exiled to Kharak (where they forgot their history, regressed to the stone age, and developed a new identity as the Kushan). A treaty was signed which spared their lives on the condition that they never attempt to develop hyperspace travel again. Kharak is observed by the Taiidan over the next few millenia, and when the Kushan do develop hyperspace at the beginning of the first game, the Taiidan immediately take action, and the results are [[SetTheWorldOnFire unpleasant]] to say the least. Orbital bombardment would appear to be the wrath of a vengeful god to a primitive people.
* Played with in ''VideoGame/KnyttUnderground''. The goal is to ring the six Bells of Fate to prevent the world from ending. Every time you get to a bell, your two fairies will argue about whether or not ringing them actually does anything. The game ends with you ringing the last bell and [[spoiler:that plot thread left unresolved]].
* ''VideoGame/MetroLastLight'' does this to a fair degree. While the novel of Metro 2033 was pretty steeped in ambiguity, Metro Last Light takes a different route with its storytelling. The nosalis rhino is said to be a legend one level before it's fought and, of course, who could forget: "You may still harbor dreams of looking for some legendary artifacts, like the proverbial Map of Secret Metro, but... I think I'll have to disappoint you.".
* In ''VideoGame/MortalKombat9'''s story mode, Nightwolf can sometimes be heard referring to Raiden as "Haokah", the lightning spirit of the Lakota tribe, giving credence that Raiden has at least appeared to their culture and is likely the god of thunder to anyone else who had one (Zeus, Heracles, Thor, etc.). A nod to this first appeared before, in ''VideoGame/MortalKombat4'' and ''VideoGame/MortalKombatArmageddon'' which noted that he had a hammer suspiciously similar to Mjolnir, despite being named after the Japanese thunder god.
* In ''VideoGame/PaperMarioTheThousandYearDoor'':
** Professor Frankly encounters conflicting theories on the nature of the treasure he's looking for. Eventually one of the theories turns out to be true: the treasure is an [[spoiler: ancient demon. But later it is revealed that the 'real' treasure was a Dried Shroom, the weakest healing item in the game]].
** In the same district of Rogueport that Frankly's house is located in, you can find a quirky storyteller who is glad to spin all sorts of old stories. But that tale about the horrible evil monster and the four heroes who fought it before being themselves sealed away couldn't be true, right? [[spoiler:Of course it is. The monster is a demon sleeping underneath Rogueport ''right now'' and Mario actually encounters each of the heroes in the form of talking cursed treasure chests. They're pretty nice.]]
* In ''Franchise/{{Pokemon}}'', all myths and legends centered around Pokémon that are... well, [[OlympusMons Mythical and Legendary]] are almost always accurate, with almost no one suggesting they're "merely" stronger than average animals. The grass fairy said to travel through time? It can, and it does. The firey critter said to ensure victory? Yep, that's true. The beings said to have created time, space, emotion and the universe? [[DoingInTheWizard No wizards have been done in here]]. About the ''only'' Legendary Pokémon whose myths are exaggerations or misinterpretations of the truth are Solgaleo and Lunala, who are said to be the emissaries of the sun and the moon, but are really extradimensional aliens that aren't that special in their own world.
* In the ''VideoGame/ShadowHearts'' series all myths are true, though very often in ridiculous, bizarre and over the top ways.
* ''VideoGame/ShadowRealms'' has people from Earth being able to travel to a world "where the magic, legends and monsters that inspired our myths are real". People from that world visited Earth long enough to inspire stories, but didn't want to stay, since Earth's low-magic environment isn't very hospitable to them (it's compared to visiting the moon).
* ''Franchise/ShinMegamiTensei''[='s=] CrossoverCosmology means that all of its games have this to some extent, with Thor, Lucifer, YHVH, Shiva, Cerberus, etc. all existing in the same time. However, the ''[[Franchise/ShinMegamiTenseiPersona Persona]]'' sub-series might fit this trope the most because it's the most mundane and closest to current Earth in term of setting and mythology. People are aware of the legends and often discuss it if the topic is brought up, but only a select few are aware that those gods are exist and can be summoned. Since this particular verse, especially in ''VideoGame/Persona2'', operates on ClapYourHandsIfYouBelieve, if a rumor circulates and people en masse come to believe it, it will without fail become reality. And since mythology exists in the first place as a belief, you do the math. The exact mechanics of it vary depending on the particular work, but the basics are the same.
** ''VideoGame/{{Persona}}'': A demon summoning game turns out to summon real demons! [[spoiler:And there's also a ManInTheMachine situation involved to put the entire world into a LotusEaterMachine where ClapYourHandsIfYouBelieve is ''enforced''.]]
** ''VideoGame/Persona2'': It's even [[SlidingScaleOfGameplayAndStoryIntegration integrated into gameplay]]! Rumors will comes true because the AnthropomorphicPersonification of both the good and bad sides of humanity decided to make a bet over humanity's survival, who themselves manifest as semi-mythological figures ([[UsefulNotes/CarlJung Philemon]] and [[Franchise/CthulhuMythos Nyarlathotep]], respectively). A ramen shop turns out to be a secret weapon cache? AncientAstronauts? Hitler's still alive and amassing an army? All can happen and it does happen, depending on how you spread the rumor.
** ''VideoGame/Persona3'': A local [[TheEndIsNigh apocalypse cult]] that worships a Goddess of Death (who happens to be Nyx, the ancient Greek goddess of the night) gains power and influence among public, which then empowers said Goddess of Death into granting them said apocalypse. Also, your school nurse's rambling about Tarot Arcanas is reflected in your Social Links. Also, "The Answer" reveals that the true personification of mankind's desire for death is [[spoiler:Erebus, the ancient Greek personification of darkness]].
** ''VideoGame/Persona4'': The Midnight Channel, a television channel that only appears in a rainy midnight hour will foresee your future soulmate. The second part isn't exactly true; the channel only shows a person the audience wants to see. Within the channel, a Shadow of that person will take the form of what the audience wants to see combined with what said person actually is. If that person is rumored to be a man when she's actually insecure and hiding her gender, the Shadow has its appearance twisted and takes form of a genderbender. Additionally, the being who created the Midnight Channel turns out to be [[spoiler:Izanami, the Shinto goddess of creation and death]].
** ''VideoGame/Persona5'' downplays this somewhat, but the being pulling ''everyone''[='s=] strings turns out to be [[spoiler:[[UsefulNotes/{{Gnosticism}} Yaldabaoth, the Demiurge]]]].
* ''VideoGame/{{Smite}}'', where you literally play as the gods of old as they fight each other.
* Averted in ''[[VideoGame/StarControl Star Control II]]''. [[spoiler:The Black Spathi Squadron]] is fictional and has no effect on the plot, and many religious beliefs and local legends are brought up which are never mentioned or investigated again.
* ''Franchise/TombRaider'' does this quite a bit. Atlantis was ruled by alien gods and Myth/KingArthur's Excalibur was a supernaturally-powerful weapon. A shard of Excalibur was later used by a Crusader. The rebooted games, from ''Legend'' onwards, establish the idea of the "monomyth", that all the legends and folklore of the world can be traced back to a "[[OneMythToExplainThemAll single remnant of the ancient world]]".
** ''VideoGame/TombRaider2013'' has Lara start out as a skeptic, but over the course of the game, she discovers that the legends of {{Hi|storicalDomainCharacter}}miko, such as her [[WeatherManipulation power over the weather]], aren't just legends.
--->There are so many mysteries that people dismiss as mere stories.but the line between our myths and truths is fragile and blurry. I need to find answers. I must understand.
* ''{{Videogame/Uncharted}}'' has a combination of this and MaybeMagicMaybeMundane, where each adventure features an encounter with something that establishes the myths and legends of the cultures around the world are at least based on something otherworldly.

[[folder: Visual Novels]]
* The Franchise/{{Nasuverse}} is filled with nearly every mythological being you could possibly think of, plus a few more. Vampires, werewolves, two different types of ghosts, demons, unicorns, so many more monsters, gods and of course, the incredibly complicated FunctionalMagic. ''VisualNovel/FateStayNight'' has the Holy Grail War, with the Masters summoning Servants that are based on heroes that actually existed there [[spoiler: except for Fake Assassin]].
** Some Servants take this even a step farther with their Noble Phantasms. A Noble Phantasm is the embodiment of the Servant's fame as an ability or weapon, i.e. the heroic spirit of King Arthur has Excalibur as a Noble Phantasm. Since these are born from the Servant's fame, they aren't limited to things the Servant actually did/had in life. For example, Vlad the Impaler was not actually a vampire but due to the fame of Dracula he has a Noble Phantasm that grants vampiric powers. Likewise, the Berserker in ''LightNovel/FateZero'' has several conceptual Noble Phantasms that grant him abilities such as forming illusions and creating [[ImprovisedWeapon improvised weapons]], which he never held in life but are derivatives from various myths about [[spoiler:Sir Lancelot]].
** ''VideoGame/FateGrandOrder'' hangs a gigantic lampshade on the idea. When discussing whether he was [[LiteraryAgentHypothesis a real person]] or a fictional character brought to life, Literature/SherlockHolmes launches into a speech pointing out how a world where all (or most) myths are true, and still ended up becoming our modern world on top of that, makes ''no'' sense whatsoever. He sadly doesn't get much further into that train of thought, after deducing that his unexplained reclassing from Caster to Ruler (the "impartial overseer" class) was the world's way of telling him that trying to unravel the Truth of the world like that is ''extremely'' dangerous.

[[folder:Web Comics]]
* [[http://icegifts.webcomic.ws/comics/201 Legend of the black iceberg]] in ''Webcomic/GiftsOfWanderingIce''. A fairy tale little kids love so much turns out to be a real story where ancient technology described as magic.
* Subverted in [[http://abe-kroenen.livejournal.com/59909.html#cutid1 this]] ''Webcomic/AbeKroenen'' comic. Of course, everyone present takes the fact that Atlantis exists in the first place as unsurprising.
* In ''Webcomic/BasketsOfGuts'' races existing in the setting are added when they're needed, but author is quite careful about not slipping into FantasyKitchenSink.
* ''Webcomic/CyanideAndHappiness'' explores the possibility that [[http://explosm.net/comics/3442/ All Spam is True]]
* In ''Webcomic/{{Hexenringe}}'', all legends and myths known in the real world are based on actual events in Xanadan (faerie dimension) and when any legends and myths (or any story, actually) are recorded or represented through creative means, such versions appear in Märagan (Imaginary dimension).
* ''Webcomic/HolyBibble'' starts from the origin of the universe and begins to unfold the story of all myths, using character types (such as the God of War) to merge multiple gods into one person.
* Invoked in ''Webcomic/TheOrderOfTheStick''. There are four pantheons worshiped in different parts of the world, mirroring the real-life pantheons. The Northern Gods include Thor, Loki, Odin, Hel, and so on from Norse mythology, the Southern Gods are the 12 animals of the zodiac from Chinese mythology, and the Western Gods are the traditional D&D gods: Marduk, Tiamat, etc. There is no mention made of Greek Gods (despite having been used in D&D material in 3.5e) until [[http://www.giantitp.com/comics/oots0273.html Shojo reveals that they were the lost Eastern pantheon]], having been killed off by [[Main/BigBad the Snarl]]. Despite the existence of these four, seemingly contradictory pantheons, the afterlife used is a slightly modified version of the standard D&D afterlife, as is the existence of other planes (including the elemental planes of air, water, etc, and the baffling semi-elemental plane of ranch dressing). Furthermore, the creation story (explained in the linked comic and four strips afterwards) is entirely new, using none of the pantheon's creation stories and instead being entirely new.
** Furthermore, the comic uses the standard D&D practice of borrowing from a ''wide'' variety of stories. Traditional D&D monsters like Owlbears, mind flayers, and Beholders all appear (however briefly), as well as the standard fantasy races like orcs, goblins, lizardfolk, elves, halflings, gnomes, dwarves, and so on, as well as monsters such as vampires, zombies, wights, skeletons, liches, and golems. Bizarrely, [[Main/EverythingsBetterWithDinosaurs dinosaurs also appear]], not as a relative to dragons, but as actual, real-life dinosaurs. Nobody questions this, although the existance of Brontasaurus is lampshaded (an Apatosaurus body with the head of another dinosaur is practically normal when gryphons are common). The only fantasy creature that hasn't shown up yet are leprechauns: they have been mentioned several times (once by Belkar, who at the time was wildly sick), but never shown, and Thog's ridiculous leprechaun costume seems to indicate that they may be a myth in-universe.
* The main driving plot of ''{{Webcomic/Sire}}''. All works of classic literature actually happened and the protagonists passed on their narratives down the bloodlines, bestowing their descendants with gifts and curses relating to their stories.
* [[http://www.skindeepcomic.com/archive/ridiculous-creatures-1/ This]] short story from ''Webcomic/SkinDeep''. "How am I supposed to know what is actually fiction around here anymore?"
* Myths and superstitions in ''Webcomic/TalesOfTheQuestor'' tend to be problematic after a few too many generations. Some of them end up being accurate, but for each one that actually is, you've got a few dozen that are corrupted from translation issues or pure age, and hundreds that are plain false or started up from illogical premises. It's also a rule for the setting that no one can see the future, so prophecy tends to ''always'' be wrong.
* In ''Webcomic/{{Thunderstruck}}'', the two leads are sisters. One is an atheist (but not a HollywoodAtheist) and the other is a Christian, but not HolierThanThou. They're ''both'' wrong. The series also has a FantasyKitchenSink.
* ''Webcomic/WaywardSons'' focuses mainly on Greek mythology, but features figures from several other ancient cultures.

[[folder:Web Original]]
* In ''Phaeton'' if a myth isn't true already then it can become true through the power of the Enigma. Sometimes mythical versions of creatures who already exist become true, that's when things get complicated.
* ''WebAnimation/{{RWBY}}'' has numerous legends and fairy tales in it's universe. One of which tells the story of four sisters slowly coaxing a bitter old man out of his hut, who subsequently blessed them with incredible power, creating the Seasonal Maidens. Ozpin even states that the existence of the maidens used to be common knowledge, but so many attempts on their lives were made, the constant struggle to hold the power grew too dangerous, and now the only record of their existence is a fairy tale told to children.
** There is also the legend of the Sliver-Eyed Warriors. Who are said to have existed before huntsmen and the Kingdoms and were able to strike a Grimm down with a single look. However, very few people are even aware of their existence. [[spoiler:Ruby]] is the only known living one in the show. [[spoiler:She]] involuntary activated [[spoiler:her]] power after seeing [[spoiler:Pyrrha being executed by Cinder]] and in doing so "froze" the Grimm Dragon and severely injuring [[spoiler:Cinder]].
** There is the religion of the bother gods, the older one of light and creation, and the younger one of darkness and destruction. During the day the older god would create life. During the night the younger one would destroy his older brother's creations. One day the younger brother created the Grimm. This action made the older brother do battle with the younger one. The brother of light won but didn't destroy his younger brother. Instead they made a pact and created Humans. After that they left Remnant, leaving behind four powerful relics. According to Ozpin its all true.
* In ''Literature/TalesoftheBigBadWolf'' there is the belief that myths are true accounts of past, present, and future of some characters but this point is arguable. It appears that "some" may be under debate as that has some problematic consequences for the figures who have a counterpart in fairy tales and myths.
* ''Literature/{{Tasakeru}}'': [[spoiler: True in-universe. Each sentient sees their species' version of the God of Time the first time Zero becomes his ''[[GodInHumanForm keshin]]'']].
* Parodied in this collection of ironic Teach the Controversy [[http://controversy.wearscience.com/ t-Shirts]].
* In ''Literature/VoidDomain'', Arachne is [[Myth/ClassicalMythology The Arachne]]. A Japanese spider demon, a Jorogumo, is mentioned. Ylva is the daughter of Hel from [[Myth/NorseMythology Norse Mythology]]. Elves exist. [[Literature/ArsGoetia The Ars Goetia]] comes into play with a King of Hell in the second book.
* Wiki/TheWanderersLibrary acts as a multi-universal, and as such, almost anything can be found within, from the grim reaper to Native American gods.
* ''WebAnimation/DarkMatter2525'': Throughout various videos, the canon mostly focuses on Christian theology, with Yahweh as God, Jesus as his son and mankind's savior and the Holy Bible's tenants as God's law. Not-Muhammad (a stand-in for UsefulNotes/TheProphetMuhammad[[note]]Peace Be Upon Him[[/note]]) also exists however, referring to Yahweh as Allah and sharing space in Heaven with Jesus[[note]]Justified, since Jesus is still considered a prophet in Islam[[/note]]. In other circumstances, Allah and the Islamic incarnation of Heaven are separate entities to Yahweh and the Christian Heaven. To take it a step further, deities from other religions like Zeus make appearances, with [[https://www.youtube.com/watch?v=L7jClyinERY Yahweh actually being a student from the same Deity college as the pagan gods]]. God even has his ''own'' god in [[https://www.youtube.com/watch?v=ODetOE6cbbc one video]].

[[folder:Western Animation]]
* In ''WesternAnimation/Ben10AlienForce'', Grandpa Max reveals to Ben and co. that many beasts and cryptids are real and in fact aliens... but he dismisses Bigfoot as just some guy in a costume.
* PlayedForLaughs in the ''WesternAnimation/{{Futurama}}'' episode "Teenage Mutant Leela's Hurdles", when the teenaged Leela finds out about the Fountain of Aging in a children's book.
-->'''Farnsworth:''' The Fountain of Aging? Hmm. It is just a legend. Still, they called the Tooth Fairy a legend, and now he's head of the FBI.
* ''{{WesternAnimation/Gargoyles}}'' took the stance that "All things are true, few things are ''accurate''." Through the course of the series, characters from Norse, Greek, Celtic, and Egyptian myths are encountered, as well as from Arthurian legend and the works of William Shakespeare.
* ''WesternAnimation/MyLittlePonyFriendshipIsMagic'' borrows heavily from mythology for their world building. While early seasons used mostly well-known creatures like unicorns, pegasi, griffons and dragons, later ones dug deeply with orthrus, chimeras and bunyips, and many more.
* In one episode of '' WesternAnimation/TheRealGhostbusters'', the Ghostbusters must deal with a creature from Irish folklore. According to legend, the creature can only be stopped by a FourLeafClover. All the characters go out searching for one, except Egon, who, playing the role of AgentScully, insists that the creature can be captured using the same "scientific" methods they always use. In the end, the four-leaf clover fails (it was a fake taken from a parade float), and Egon saves the day by capturing the creature "scientifically", exactly as he said he would. Despite this exception, the show generally followed this trope faithfully, as did its SequelSeries ''WesternAnimation/ExtremeGhostbusters''.
* ''WesternAnimation/RoswellConspiracies'': All mythological creatures are actually aliens who have been on Earth for centuries, or millennia.
* ''WesternAnimation/SamuraiJack'': Jack's sword was forged by the gods Odin, Ra, and Vishnu, from Norse, Egyptian, and Hindu mythology, respectively, and another episode, "Jack and the Swamp Wizard," mentions the existence of Cronus and Zeus, both of Greek mythology. It seems like only things that are myth or legend only in-universe may be untrue, like that a giant talking worm will grant wishes. Even so the myths hint accurately at many many things that could get Jack what he wants, not that he ever gets to use them for that.