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[[quoteright:350:[[Literature/TheSilmarillion http://static.tvtropes.org/pmwiki/pub/images/ppxitjz.png]]]]

Mythopoeia (from the Greek words that mean "myth-making") is a narrative genre in modern literature and film where a [[FantasyPantheon fictional mythology]] is created by the author or screenwriter. The word mythopoeia and description was coined and developed by Creator/JRRTolkien in the 1930s. The authors in this genre integrate traditional mythological themes and archetypes into fiction. Mythopoeia is also the act of making (creating) such mythologies. Notable mythopoeic authors aside from Tolkien include Creator/CSLewis, Creator/RobertWChambers, Creator/HPLovecraft, Creator/GeorgeMacDonald, and Creator/LordDunsany, among others. While many literary works carry mythic themes, only a few approach the dense self-referentiality and purpose of mythopoeia. It is invented mythology that, rather than arising out of centuries of oral tradition, is penned over a short period of time by a single author or small group of collaborators.

As opposed to fantasy worlds or fictional universe aimed at the evocation of detailed worlds with well-ordered histories, geographies, and laws of nature, mythopoeia aims at imitating and including real-world mythology, specifically created to bring mythology to modern readers, and/or to add credibility and literary depth to fictional worlds in fantasy or science fiction books and movies.

Mythopoeia can be created entirely by an individual, like the [[Literature/TheSilmarillion world of Middle-earth]], or can be formed as a result of an amalgam of writings, like the Franchise/CthulhuMythos. An ExpandedUniverse can result in the creation of one of these, particularly for LongRunners.

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* American artist Trenton Doyle Hancock's paintings take place in an elaborate mythical framework involving a race of {{plant person}}s called the Mounds and a shaman figure known as Torpedo Boy.

[[folder:Comic Books]]
* ''ComicBook/TheSandman'', though it borrowed elements from the "parent" Franchise/DCUniverse (as well as many mythologies). And Creator/NeilGaiman seems not to have planned it all in advance.
%%%* Creator/JackKirby's ''ComicBook/NewGods.''

[[folder:Films -- Live-Action]]
* ''Film/{{Avatar}}'': The Na'vi mythos has a strong resonance with many of the film's fans -- to the extent of some [[DaydreamBeliever becoming adherents.]]
* ''Franchise/StarWars'': Creator/GeorgeLucas has explained that he was heavily influenced by ''Literature/TheHeroWithAThousandFaces'' by Joseph Campbell -- which describes how to do this in detail.

* ''Literature/TheSilmarillion'' contains the mythic backstory of [[Literature/TheLordOfTheRings Middle-earth]], told in the style of a collection of ancient legends. And since it was compiled posthumously by an editor from numerous texts written in different decades, with differing amounts of detail and sometimes contradicting each other (with said texts published later in ''Literature/TheHistoryOfMiddleEarth''), the end result feels very much like a collection of ancient texts from multiple authors (complete with partly-deciphered ancient languages!). Furthermore, Tolkien originally created Middle-earth's histories as a mythology for England, since he was really torn up about the English not having one.
** Remember that Tolkien's day job was as an Oxford scholar, so he knew exactly how to make the illusion of antique sources convincing. It also explains all the footnotes.
* Creator/LordDunsany's ''Literature/TheGodsOfPegana'' forms a complete cycle of myths, from Creation to The End. Complete with multiple contradictory versions of The End. Dunsany's mythology predates ''The Lord of the Rings'' and has a completely different feel.
* The Literature/CthulhuMythos created by Creator/HPLovecraft, with many contributions from other authors to form a dense corpus of stories.
* The rabbits' myths and legends present in ''Literature/WatershipDown'', which were expanded in a series of short stories set in the same rabbit society.
* ''Literature/TheWheelOfTime'' uses many real world myths and legends in its work, from African to Norse. It's very strongly implied, and confirmed by WordOfGod, that the world may be the same as our own. The books say that time is cyclical, and a handful of garbled myths and fragmentary legends have persisted from the Age before last. All of them correspond to important figures from the 20th century or earlier, allowing for linguistic drift in the names of individuals.
%%%* The ''Literature/{{Discworld}}'' series has become this over the years.
%%%* The ''Literature/QueensThief'' series by Megan Whalen Turner.
* ''Literature/TheRiftwarCycle'' by Raymond E. Feist has an extensive mythology, which has gotten tangled up in its history at several points.
%%%* The ''Literature/OeraLindaBook''.
* ''Franchise/TheDarkTower'' with the titular CosmicKeystone being [[spoiler: an extension of [[CrystalDragonJesus Gan]] himself]].
* The term is often used to describe the narrative poems of Creator/WilliamBlake and his complex system of gods and demigods.
** Given the profound {{mindfuck}}ery of his poems, however, (where characters can symbolize emotional states, allegorical relationships with the world, relationships with eternity, political action, and can exist in multiple planes of reality (including our own minds) and temporality simultaneously) critical opinion is heavily divided on just what the myth ''is''.
%%%* Creator/CSLewis has ''Literature/TheChroniclesOfNarnia'' and ''Literature/TheSpaceTrilogy''.
* Creator/GeorgeMacDonald's fairy tales and fantasy stories were cited by C. S. Lewis as arguably the TropeMaker. [=MacDonald's=] works had an acknowledged influence on later mythopoeic authors including Lewis and Creator/JRRTolkien, making him at least the TropeCodifier.
* ''Literature/ASongOfIceAndFire'' has a backstory which reaches back thousands of years. Its stories tend to be vague and dark.
** Creator/GeorgeRRMartin also did this with his "Thousand Worlds" ScienceFiction stories. As is the case with ''A Song of Ice and Fire'', there are many vague hints about the wider world and the backstory of the universe, but as Martin hasn't published anything from it in over twenty years, we aren't likely to get much more detail.

[[folder:Live-Action TV]]
* ''Series/BabylonFive'': The Minbari and the Narn cultures are the best examples of mythmaking on this show.
** In some ways the whole show is designed to be a myth in itself.
%%%* ''Battlestar Galactica'': Both the [[Series/BattlestarGalacticaClassic original]] and the [[Series/BattlestarGalacticaReimagined reboot]] feature this.
* The ''Franchise/StargateVerse'' creates some of its mythology from whole cloth, but also integrates aspects of real-life mythology into the story. The best example is probably the altered Camelot mythos in seasons nine and ten of ''Series/StargateSG1''.
* ''Franchise/StarTrek'': There are hints at the myths of various races. Vulcans and Klingons are most noticed.
* ''Series/XenaWarriorPrincess'': While the series is based largely on Greek mythology (and anything else that didn't ran away fast enough), it accumulated background so fast that one is tempted to declare the result a genuine "Xena mythology" (this viewpoint having the advantage to explain away a whole lot of headscratchers).
* ''Series/TwinPeaks'': Twin Peaks has its own layered symbols, its own centers of goodness and evil (the Lodges), and its own prophesies ("That Gum You Like Is Going To Come Back In Style").

[[folder:Myths & Religion]]
* Though not created as "intentional" fiction, the Lost Continents of Mu and Lemuria were created out of whole cloth a century and a half ago, one to explain a [[ScienceMarchesOn now-discredited]] anthropological theory, the other to explain a [[ScienceMarchesOn now-discredited]] theory of continental formation, and both kept afloat by Spiritualists and Theosophists who wanted mysterious but unresearchable lands to say that their dead friends came from. {{Atlantis}}, also, was created by Creator/{{Plato}} as a moral metaphor, not a literal location.

[[folder:Tabletop Games]]
* ''TabletopGame/{{Nobilis}}'', a TabletopRPG centering on the machinations of beings for the most part above our ken.
* ''TabletopGame/{{Exalted}}'', with its involved cosmological backgrounds, also has some stories about the gods, demons, and titans, and ancient legends about the Exalted themselves. The game is strongly inspired by ''Literature/TheGodsOfPegana''.
* Glorantha from ''TabletopGame/{{Runequest}}''. It has many elaborate mythologies, from the barbarian Orlanthi deities to the monotheistic Invisible God.
* ''TabletopGame/{{Warhammer}}'' has developed a rich and diverse mythological background to complement the histories and cultures of its many peoples. There are several pantheons of gods, a handful of different creation myths and cosmogonies and many details of how the peoples of the world relate to their gods and myths. Generally the mythologies are race-specific, however, and it is altogether unclear how, for instance, the families of the gods of men relate to the gods of the elves, the Ancestor Gods of the Dwarfs, the Old Ones of the Lizardmen or the Gods of Chaos.
* ''TabletopGame/{{Warhammer 40000}}'' has built one up over time. Originally ''TabletopGame/{{Warhammer}} Fantasy Battle'' InSpace, the gradual fleshing-out of the backstory has created a mythic atmosphere. The most obvious is the 10000-year-past Horus Heresy, where the Emperor of Mankind and his ten loyal Primarchs (demigods in their own right) fought off the ten traitor Primarchs and the Dark Gods of Chaos, which directly lead to the sorry state the galaxy is in. Many of the figures involved in the Heresy are either still around (most of the traitor Primarchs are now immortal Demon Princes), or the echoes of their actions are still felt in the current day. Further back, there is the Fall of the Eldar, an orgy of excess so violent that it gave birth to the Chaos God Slaanesh and destroyed humanity's interstellar empire. Going back even further, there are the wonders of the [[GoldenAge Dark Age of Technology]] and the disastrous attempt at artificial intelligence known as the [[AIIsACrapshoot Iron Men]]. And all the way at the dawn of the setting, millions of years ago is war between the [[CosmicHorror C'tan]] and the [[{{Precursors}} Old Ones]].
* ''TabletopGame/{{Microscope}}'': This WorldBuilding RPG will very often include a mythic elements. The game is not meant to be an exhaustive or precise history--broad themes and arcs are the rule.

* ''{{Franchise/Transformers}}'' has a considerable background mythos including a [[TheMaker creator]] {{God}} (Primus) and a [[SatanicArchetype Satanic figure]] (Unicron).
* The ''{{Toys/Bionicle}}'' universe. The first few years had some influence from Maori culture, but the franchise [[ScrewedByTheLawyers has deliberately moved away from that]] and now has a complex mythology of its own. The best part is that it tends to subvert AllMythsAreTrue by explaining that the characters tend to come up with their own explanations as to why things happen that may not be entirely accurate, making it a case of ''in-universe'' Mythopoeia.

[[folder:Video Games]]
%%%* The [=PS2=] ''{{Summoner}}'' games.
* ''VideoGame/{{Achaea}}'' is an extremely unique example in that 90% of the mythos actually happened in game, and most of it was ''player'' written. That is, the players did some random thing that caused a game-world-spanning chain reaction, probably resulting in something very big dying and that player becoming a permanent part of Achaean history. It helps that all the gods of the world, which seem like they would be [=NPCs=], are actually players.
* ''VideoGame/DarkSouls'' is lauded for its deep, nuanced, and emotionally-charged lore almost as much as it is for its difficulty. The prevailing theme is the inevitability of death, with the world both having arisen from darkness and destined to return to it. The game's cosmology is somewhat similar to Christianity in its emphasis on a god's sacrifice and the fallen, imperfect nature of mortal men, while the helplessness of the gods to save their dying world is a characteristic of Norse mythology.
* ''Franchise/DragonAge'' was made to present a fully developed world right from the start of the first game. There are references to past events and people all the time and many characters that are foreigners to Ferelden, with the natives reacting to them depending on the relations of their countries.
* ''VideoGame/{{Touhou}}'' is going this way; it's built upon (mostly-Japanese) folklore on one end and the fans creating (staggering amount of) fan materials to cover the holes on the other end. [[CthulhuMythos Sounds familiar, hm?]]
* ''VideoGame/{{Rayman}}''
** Starting in Rayman 2, with Polukus and the Lums, and going deeper in Rayman 3, where we are presented to the dark side of the Lums. Rayman 3 also has an ancient desert people known as the Knaaren, who worship the Leptys (also known as the Bringer of Night).
** VideoGame/RaymanOrigins seems to go into this even further, establishing Rayman's role as TheChosenOne.
* For ''Franchise/TheElderScrolls'', this is one of the more widely celebrated aspects of the series. There are several divergent [[OurGodsAredifferent mythologies]], [[CreationMyth creation stories]], and [[MultipleChoicePast conflicting]] [[TheRashomon historical]] accounts of events, and of course AllMythsAreTrue to at least some degree. Unlike many instances of the trope, this is presented as an actual in-universe force as well. The fabric of reality in the ''Elder Scrolls'' universe is malleable through various means of [[RealityWarper Reality Warping]]. Mortals can [[DeityOfHumanOrigin ascend to godhood]] and often perform {{Cosmic Retcon}}s of their own pasts, which can [[MergingTheBranches bring together multiple timelines]], [[MindScrew regardless of conflicts]]. These and other divine events also tend to have {{Time Crash}}es as side-effects, which can further tamper with reality in various ways.
* ''VideoGame/BrutalLegend'' has a mythology spanning from the creation of the HeavyMetal world, through the rise and fall of [[EldritchAbomination Ormagöden]], rise and [[AscendedToAHigherPlaneOfExistence ascension]] of the [[PhysicalGod Titans]], enslavement of humanity by the [[OurDemonsAreDifferent demons]], the [[TurnedAgainstTheirMasters Black Tear Rebellion]], to the events ''taking place in the game itself''. Read more [[http://brutallegend.wikia.com/wiki/Artifact_of_Legend here]].
* ''Franchise/TheLegendOfZelda'':
** The series first gained a fictional mythology with ''VideoGame/TheLegendOfZeldaALinkToThePast'', which introduced the Three Golden Goddesses as the creator deities, along with the origin of both evil in general (men warring over ownership of the Triforce) and [[BigBad Ganon]] in particular (a cunning human thief who got the Triforce and was subsequently sealed in the Sacred Realm[=/=]DarkWorld).
** ''VideoGame/TheLegendOfZeldaOcarinaOfTime'' went into further detail, fleshing out the individual Goddesses and the nature of the Triforce while also portraying the StartOfDarkness for Ganon/Ganondorf. Later games have brought the focus away from the central Triforce myth to flesh out the broader Hylian mythos and pantheon.
** ''VideoGame/TheLegendOfZeldaSkywardSword'' takes this even further, by establishing life prior to the founding of Hyrule and the wars that sprung up even before that. Most notably, it also delves into the origins of the Master Sword and introduces both the goddess Hylia, the one who in ancient times defended the Triforce against demons and [[spoiler:was reborn as Zelda]], as well as [[spoiler:Demise, Hyrule's equivalent of Satan and the originator of all monsters, including Ganon]].
* ''VideoGame/FinalFantasyXIII'''s actual plot focuses more on 6 chosen people and how they deal with it. The background story and the lore are a bit cluttered and mishandled but if you take time reading in-depth, you will find one of the more interesting mythopoeia about how the Gods decided to create the Fal'cie, which in turn annoints a L'cie.
** The sequels delve much deeper into the mythos, introducing two of the gods as main characters. The trilogy is part of a sub-franchise, ''Franchise/FabulaNovaCrystallisFinalFantasy'', which is where the mythos originate from.
* ''VideoGame/{{Xenogears}}'' and SpiritualSuccessor ''VideoGame/{{Xenosaga}}'' have extensive cosmologies.
* The goal of ''VideoGame/DwarfFortress'' is to have all worlds be randomly generated mythopoeias, each update making the worlds you generate even more complex than before. The game even has a specific "legends" mode just for looking at the generated histories of the worlds.

[[folder:Web Comics]]
* Creator/AndrewHussie's work, ''Webcomic/{{Homestuck}}'', initially revolves around four kids playing a reality-altering video game that constructs a mythology around them, casting them as legendary heroes, with all the details of their world and their mythical powers tailored to their personalities and interests. What is easily dismissed as a fun quirk of the game, however, slowly develops into a more and more elaborate plot involving the fate of reality itself. Eventually the legends and prophesies becomes so pervasive that almost every event in the plot can be tied back to some part of the previously-established mythology, adding layers of bonuses for the attentive reader.
** Fanfic writers [[http://archiveofourown.org/users/roachpatrol/pseuds/roachpatrol roachpatrol]] and [[https://archiveofourown.org/users/t_ZM/pseuds/urbanAnchorite urbanAnchorite]] take this to the logical extreme in Fanfic/{{Hemostuck}}, as elaborated [[http://hemostuck.tumblr.com/tagged/religion here]].
* This is one of the draws of Creator/UrsulaVernon's long-running webcomic ''Webcomic/{{Digger}}'', in which the various cultures encountered have their own myths and traditions, often [[ShownTheirWork combining real-world examples with facts of their world]]. This is most obvious with the creation myth of the hyenas, which explains both their tendency to be female-dominated and the frequency with which firstborn cubs die, both traits of real-world hyenas, but more subtle examples can be seen just in the oaths and sayings characters from different cultures use and some of the prejudices they hold.
%%%* ''Webcomic/{{Exiern}}''.
* While ''Webcomic/RumorsOfWar'' borrows a great deal from Myth/ClassicalMythology, it combines magic, idealism, MoodWhiplash, and [[SeinfeldianConversation Loads And Loads of Arguing About Nothing in Particular]] into what is probably a CrossoverCosmology. Or something new entirely.

[[folder:Web Original]]
* Franchise/{{The Slender Man|Mythos}} sounds like an old folktale or urban legend but was actually created whole cloth by a member of the Website/SomethingAwful forums. Some writers have even tried to expand the mythos by linking it to other web-based horror entities such as WebOriginal/{{Zalgo}} and WebOriginal/TheRake.
* Franchise/TheFearMythos, which established Slender Man and Rake as a part of their fear-based pantheon.
* ''Literature/{{Tasakeru}}'', with the core story of the Three Gods, which is interpreted in different ways by each of the eight species.
* The ''Nobilis'' game designer writes the web fiction ''Literature/HitherbyDragons'' which also has a mythology of sorts.
* ''Roleplay/{{Adylheim}}'' uses this extensively, not only creating an internal mythology which mimics parts of real life greek and norse pantheons, but also making references to an ambassador to faerie named Tamlin, a dragon hunter named George, and so on.
* ''Blog/{{Websnark}}'' creator Creator/EricBurnsWhite's Banter Latte blog had a [[http://banter-latte.annotations.com/category/whimsy/ running series]] devoted to creating modern-day myths. And it was awesome.
* The Wiki/SCPFoundation might have gone into that territory, though we only get small hints and glimpses of divine or demonic origin of some SCP [[spoiler: and one of the researchers]].
* ''WebOriginal/{{Inglip}}'' has accumulated a vast mythologic background (which is even canonized by the rule that only Reddit posts with 100+ upvotes are declared canon -- if one would add the non-canon stuff, it would become a Doorstopper).

%%%[[folder:Western Animation]]
%%%* ''WesternAnimation/AvatarTheLastAirbender''
%%%* ''WesternAnimation/MyLittlePonyFriendshipIsMagic''