History Fanon / LiveActionFilms

* ''Franchise/Saw'': The producers of the movies gave Adam's surname as Faulkner, but in ''Film/SawV'', he's named as Adam Stanheight on a list of the Jigsaw Killer's potential victims. Fans have reconciled this by saying his full name is Adam Faulkner-Stanheight.

* ''Film/{{Scream}}'': A lot of fans theorize that Tatum has a twin sister who was absent from Woodsboro during the first movie. This is due to the twin beds in her bedroom and how itt would allow for a BackupTwin scenario after her death. It helps that Creator/RoseMcGowan is a supporter of the theory.

* ''Franchise/{{Godzilla}}''
** In fan works and non-{{canon}} ExpandedUniverse stories, it's fairly common to portray [[Film/GodzillaVsBiollante Biollante]] as an example of GaiasVengeance with an empathic connection to the HiveMind of [[MotherNature the Earth itself]]. In the actual films, this was never the case; Biollante was just a single mutated plant with individual sentience, thanks to being cross-bred with the DNA of a human girl.
** Fan works tend to portray Anguirus as the oldest {{Kaiju}} in the ''Godzilla'' universe, and it's not uncommon to portray him and Godzilla as being VitriolicBestBuds with a grudging respect for each other, reflecting their long history together. This has ''some'' loose basis in {{canon}}: Anguirus was the first {{Kaiju}} that Godzilla ever faced (back in ''Film/GodzillaRaidsAgain'', the second movie in the series), he was said to be a mutated dinosaur from an extinct species, and he and Godzilla ''did'' team up on a few occasions in the Shōwa series. Still, nothing in the series ever indicated that he was actually physically older than any of the other monsters, and his relationship with Godzilla never seemed to be especially close.
** The notion that all three of Ghidorah's heads have separate personalities, with the middle head being the leader, has gained some popularity, though it tends to be avoided in more serious works as it would just complicate things. Became AscendedFanon in ''Film/GodzillaKingOfTheMonsters2019'', where this is said to be the case for that version of Ghidorah - which itself resulted in a new bit of fanon being created that the left head ("Kevin") is a goofball who doesn't understand the gravitas of their situation and is just along for the ride.

* ''Franchise/JurassicPark'':
** The franchise’s growing [[ArtisticLicensePaleontology paleontological inaccuracies]] are commonly explained as being the results of [=InGen=] using modern animal DNA to complete the dinosaurs’ genetic sequences. [[MythologyGag This idea has been acknowledged in]] ''Film/JurassicWorld'', and more extensively in the tie-in website, [[ShrugOfGod but has never]] [[AscendedFanon actually been confirmed]].
** It’s commonly accepted that the raptor threatening Grant and company for most of the climax of ''Jurassic Park''--the one from the kitchen that didn’t get locked in the freezer--is the Big One, the lead raptor that killed all but two of the others as stated by Muldoon earlier in the film. It’s also held that the Big One was the raptor from the opening scene that killed Jophrey the gate-keeper, and that it’s the one that killed Muldoon [[ItCanThink in part because of repeated moments where it seems to just wait to see the fear in people’s eyes before it attacks]], (repeated in the control room scene where it looks into Grant’s eyes ''before'' trying to open the door) which also means that it’s the last raptor to die in the film. (The second raptor from the climax, which entered the Visitor’s Center from under the tarp after the skeleton display fell, is the one that was in the shed, and is the first one killed by Rexy.) With all that said, there’s no hard evidence for any of this.
*** An equally-pervasive idea holds that the ''Dilophosaurus'' that kills Nedry is a juvenile or adolescent and not fully-grown, [[AnimalsNotToScale since it’s quite small compared to the real dinosaur, which was up to 7 meters long]], [[WordOfGod and Steven Spielberg himself has made comments in support of the theory that it’s actually a juvenile]]. Its [[AllAnimalsAreDogs playful nature]] and Nedry’s comment that he’s relieved to see that it’s not one of its “[[ExactWords big brothers]]” could be an in-universe corroboration. (The alternative is that, not knowing dinosaurs all that well, Nedry meant the likes of the ''Tyrannosaurus'' by "big brothers", [[ArtisticLicensePaleontology e.g., Nedry just assumes that the dinosaurs are basically all one species]].) The real reason that the dilophosaur is so small is because it was deliberately done to accentuate the surprise when it turned aggressive and attacked Nedry. A similar thing happened with the ''Pachycephalosaurus'' in ''The Lost World: Jurassic Park'', which was reduced from about 5 meters to 2 meters so that it could ram a car like a goat and not overturn it.
*** The ''Tyrannosaurus'' killed by the ''Spinosaurus'' in ''Jurassic Park III'' has been unofficially claimed to be the juvenile from ''The Lost World'', (even by director Creator/JoeJohnston) grown into adulthood. For some tyrannosaur fans, it {{handwave}}s the loss of the rex to the spino as a result of it being very young and not used to fighting large theropods, and possibly justifies it further by still being hindered by its broken leg even after it healed; for others, it just adds insult to injury because TheScrappy ''Spinosaurus'' casually kills a beloved dinosaur that got a happy ending in the previous film. In any case, it runs counter to [[TheWorfEffect the clear intention of the scene]] to present the ''Spinosaurus'' as a more terrible foe than (any) ''Tyrannosaurus''.
*** The absence of the ''Spinosaurus'' from ''The Lost World'' was previously suggested by fans as having been because it lived in a different part of the island, possibly because it was a juvenile at the time and therefore avoided the tyrannosaurs and raptors which formed the main threat in that film. Since then, viral marketing for ''Jurassic World: Fallen Kingdom'' [[AscendedFanon has confirmed a different fan-theory]]: that the spino was created off-screen by [=InGen=] for some nefarious reason in an attempt to set up a new park, because these guys never learn, which handily explains why it “wasn’t on [=InGen=]’s list” as mentioned by Grant and Billy in ''Jurassic Park III'', though in the adjusted canon it was done by Masrani instead. The other reigning theory with regards to the spino not being on the list had been that it was originally misidentified as a ''Baryonyx'', [[SirNotAppearingInThisTrailer which is confirmed to have existed on Isla Nublar but never appeared]], (before ''Fallen Kingdom'') but hadn’t developed its sail yet. [[ScienceMarchesOn The other factor to the spino being created between films--as an implied hybrid, no less--is because new fossils were found between the third and fourth films which indicate the real animal was very different from the fictionalized version]].
*** Similarly to the ''Spinosaurus'' theory, variations of that idea have been used to explain the [[ArtEvolution color changes]] of some dinosaurs between films as well as the introduction of never-before-seen species. An alternative explanation in some cases is that new colors of dinosaurs seen in ''The Lost World'' and ''Jurassic Park III'' are a case of sexual dimorphism, such as the striped raptors from the second film being males since the all-brown raptors of the first film are confirmed to be female.
** A common fan-theory for ''The Lost World: Jurassic Park'' is that the man who approaches Malcolm on the train while he’s going to meet Hammond is supposed to be Richard Levine, a character from ''[[Literature/TheLostWorld1995 The Lost World]]'' novel that the film was adapted from, and a persistent ''Jurassic Park 4'' fan-script from before ''Jurassic World'' came out ran with this idea. The man is officially unnamed and there’s nothing to really suggest that he’s Levine.
*** Another fan-theory is that the man running the Dino-Soar parasailing service from the prologue in ''Jurassic Park III'' is the same man whose wife Malcolm accidentally called on the radio in ''The Lost World'', since they’re both named Enrique.
*** Another common theory is that the little boy who Grant gave the infamous RaptorAttack [[TheReasonYouSuckSpeech Speech]] to in the first film was actually a young Owen Grady. However, [[PoesLaw it’s hard to say if any of the theory’s followers are actually serious or just joke about it]]. As of ''Dominion'', though, this has probably been debunked--Grant and Grady meet face-to-face and nothing suggests that they had known each other in any way before this.
** At one point, it was a popular idea that the brown raptors in the first film were all female—which is canon—and the tiger-striped raptors in the second film [[BizarreSexualDimorphism were all male]], which is not.
*** [[PaletteSwap Besides changing their coat patterns again]], ''Jurassic Park III'' introduced blue, striped, narrow-nosed, [[ScienceMarchesOn feathered]] male raptors and [[BizarreSexualDimorphism brown, spotted, broad-nosed, featherless female raptors]] that were more similar to previous iterations, seemingly establishing that all raptors previously seen in the franchise were female regardless of coloration. However, it’s still a common fan assumption that these new features appeared in the raptors as a result of losing some of the non-dinosaur DNA with each new natural generation and, as a result, previous generations had included male raptors that resembled females. Others think that the ''Jurassic Park III'' raptors are actually a different genus such as ''Deinonychus'' or a new version created off-screen by [=InGen=]. (Or Masrani, in light of ''Jurassic World''.)
*** Another theory, with more acceptance among the fandom, is that the raptors are all part of the same genus but the ones from ''Jurassic Park III'' are a different subspecies, while those from the first two films are another species. These species are classified by fans as ''Velociraptor antirrhopus sornaensis'' and ''V. a. nublarensis'', respectively, but the exact reasoning for why there are two species is debatable, one possible reason being that the ''sornaensis'' were an earlier iteration which was abandoned because they were ''too'' intelligent and so the ''nublarensis'' was created, [[GoneHorriblyRight but were unintentionally made more aggressive]], but it could just as easily be that their unhampered aggression is because they were abused in captivity in the first film and just outright feral in the second rather than being violent by nature. (This is at least partially supported by the Raptor Squad in ''Jurassic World'', who are much better-behaved than previous incarnations of the raptors due to being more properly socialized from birth.) Some reports seem to indicate that Universal likes this theory, and is at least vaguely supported by the confirmation in viral marketing that each of the raptor squad was engineered slightly differently with genetic stock from different modern animals instead of just being copies of each other, but as-yet it’s still unconfirmed.
** A case of fully-debunked fanon has emerged in recent times: while the ''Spinosaurus'' skeleton in ''Jurassic World'' is an obvious TakeThat to the previous film, it was never confirmed if it actually ''is'' the skeleton of that specific spinosaur as some fans believe.[[note]][[https://www.youtube.com/watch?v=QoSwDGdN_EI This video by Klayton Fioriti]] made a strong argument that the skeleton is ''not'' the same spinosaur from ''Jurassic Park III''.[[/note]] The revelation that a spinosaur--possibly ''the'' spinosaur--was considered to appear in ''Fallen Kingdom'' in place of the ''Carnotaurus'' hurt the theory a bit, but there was still no direct statement in either direction. It was finally defied in season 4 of ''WesternAnimation/JurassicWorldCampCretaceous'', which showcases the ''Spinosaurus''--explicitly ''not'' a new specimen, it's supposed to be the same individual animal from ''Jurassic Park III'', stolen from Isla Sorna by the antagonistic Mantah Corp--alive and well, putting the spinosaur skeleton concept to rest once and for all.

* ''Film/StarTrek2009'' caused some issues in that timeline, as WordOfGod was explicit that it was an alternate timeline. Fans have their own ideas as to how those timelines differ.
** One theory is that Kirk was sent to Tarsus IV after the "car incident" and thus was present for the massacre on the colony, just as the Kirk of the "main" ''Franchise/StarTrek'' timeline was. It's not unusual for this to be a profound influence on his character in fic. The notion has also crept in that nu!Kirk studied under [[Series/StarTrekEnterprise Hoshi Sato]], who was said to be on Tarsus IV at the time of the massacre. In canon, there's no evidence that Kirk ever left Earth.
** The vast majority of reboot fanfic writers depict Kirk's stepfather as an alcoholic, ultra-abusive, and even a child molester. His mother is also often written as depressed and emotionally distant.
** Fanon also suggests that Kirk is allergic to a large percentage of medications, basing it on ''both'' timelines; we see his allergy to eye medication in ''Film/StarTrekIITheWrathOfKhan'', and we also see his strange reactions to everything Bones gave him in the 2009 film.
** Overlapping slightly with WriterInducedFanon and TheShipsMotor, it appears that a great many K/S shippers have adopted the pendant that Spock Prime would have shown his counterpart in the [[WhatCouldHaveBeen unfilmed ending scene]] into their own headcanons - whilst it has never been referenced in canon, we don't know for sure that it doesn't exist at all.

** One theory is that Kirk was sent to Tarsus IV after the "car incident" and thus was present for the massacre on the colony, just as the Kirk of the "main" ''Franchise/StarTrek'' timeline was. It's not unusual for this to be a profound influence on his character in fic. The notion has also crept in that nu!Kirk studied under [[Series/StarTrekEnterprise Hoshi Sato]], who was said to be on Tarsus IV at the time of the massacre.
** The vast majority of reboot fanfic writers depict Kirk's stepfather as an alcoholic, ultra-abusive, and even a child molester. His mother is also often written as depressed and emotionally distant.

* ''Franchise/{{Scream}}'': A lot of fans theorize that Tatum has a twin sister who was absent from Woodsboro during the first movie. This is due to the twin beds in her bedroom and how itt would allow for a BackupTwin scenario after her death. It helps that Creator/RoseMcGowan is a supporter of the theory.

*** An equally-pervasive idea holds that the ''Dilophosaurus'' that kills Nedry is a juvenile or adolescent and not fully-grown, [[AnimalsNotToScale since it’s quite small compared to the real dinosaur, which was up to 7 meters long]], [[WordOfGod and Steven Spielberg himself has made comments in support of the theory that it’s actually a juvenile]]. Its [[AllAnimalsAreDogs playful nature]] and Nedry’s comment that he’s relieved to see that it’s not one of its “[[ExactWords big brothers]]” could be an in-universe corroboration. (The alternative is that, not knowing dinosaurs all that well, Nedry meant the likes of the ''Tyrannosaurus'' by "big brothers", [[ArtisticLicensePaleontology assuming that the dinosaurs are basically all one species]].) The real reason that the dilophosaur is so small is because it was deliberately done to accentuate the surprise when it turned aggressive and attacked Nedry. A similar thing happened with the ''Pachycephalosaurus'' in ''The Lost World: Jurassic Park'', which was reduced from about 5 meters to 2 meters so that it could ram a car like a goat and not overturn it.

*** Another common theory is that the little boy who Grant gave the infamous RaptorAttack [[TheReasonYouSuckSpeech Speech]] to in the first film was actually a young Owen Grady. However, [[PoesLaw it’s hard to say if any of the theory’s followers are actually serious or just joke about it]].

* Given that [[WordOfGod George Lucas himself]] has said that the only things he considers "official" ''Star Wars'' are the films and the ''Clone Wars'' cartoons, it could be argued that the entirety of the ''Franchise/StarWarsExpandedUniverse'' is nothing but Fanon. [[BrokenBase Some fans would argue with this point of view]].
** Wookieepedia, the ''Franchise/StarWars'' [[TheWikiRule Wiki]], has a fairly complete [[http://starwars.wikia.com/wiki/List_of_fanon_elements_in_continuity list]] of fanon elements that have found their way into the official continuity, either as an intentional homage or due to the authors mistaking them for canon.
** [[http://supershadow.com/ SuperShadow]] is a website dealing almost exclusively in bizarre fanon notions; its webmaster alleges that he is a close personal friend of George Lucas. Most ''Star Wars'' fans avoid the site, and discussing it in a serious forum is a good way to rankle a lot of people. PoesLaw is in full effect here; fans can't tell if the guy is serious or just making fun of other fans' bizarre fanon ideas.
** Anakin was prophesied to bring "balance to the Force", but no one is sure what that "balance" is supposed to be. WordOfGod says that he was destined to destroy the Sith (which he does, by [[TakingYouWithMe killing the Emperor and dying himself]] in ''Film/ReturnOfTheJedi''). But many fans believe this prophesy refers to the BalanceBetweenGoodAndEvil -- and in the prequels, Anakin does kill all the Jedi other than Obi-Wan and Yoda, leaving two Jedi and two Sith. Other fans claim that the very existence of the Sith implies imbalance. This has caused endless arguments, with each theory ''plausible'' but rendering various parts of the saga an IdiotPlot. ''Webcomic/DarthsAndDroids'' describes the debate in the blurb of [[http://www.darthsanddroids.net/episodes/0146.html this strip]].
** ''Film/ThePhantomMenace'' introduced the concept of "midichlorians". Are they just an indicator of Force sensitivity, or do they actually create the Force itself? Canon gives no information either way. Wookieepedia says they're just sensitivity indicators, and one theory suggests that the Force creates midichlorians (and not the other way around), but it's another source of intense debate.
** Many fans believe that Anakin didn't believe Palpatine's conspiracy theory that the Jedi were trying to take over the Republic, but he went along with it anyway because Palpatine had something he needed. The films are ambiguous on this; James Luceno made that canon in the ExpandedUniverse.
** Shmi Skywalker apparently [[MysticalPregnancy became pregnant with Anakin despite being a virgin]]. The movies never explain ''how'' this happened outright, other than a vague line about him possibly being "conceived by the Living Force". Many fans latch on to Palpatine's story of Darth Plagueis, a Sith lord who could "create life"; they thus believe that Plagueis' experiments with midichlorians resulted in Anakin's conception.
** The vast ExpandedUniverse can sometimes be contradictory, not just with the films, but also with each other. Fanon tries to keep everything straight, but it's not that successful with that. Its canonicity was never very strong, but ''Film/TheForceAwakens'' and its sequels have been largely confirmed to override it anyway, making everything here even more dubious.
** Another theory is that Darth Vader avoids setting foot on Tatooine because he's afraid to face anything that reminds him of his past life as Anakin Skywalker. It's never addressed in the films, but it does explain why Obi-Wan sees no problem with hiding Luke there, and why Luke never bothers to change his surname; Darth Vader would never come to get Luke himself even if he knew he was there.
*** Or, of course, it could be because [[MemeticMutation he doesn't like sand. It's coarse and rough and irritating, and it gets everywhere.]]
*** Anakin in the Expanded Universe frequently calls Padme "Angel" as a term of endearment, even though he only ever called her an angel once in the films.
*** There are all sorts of strange theories regarding family relationships, including that [[FamilyRelationshipSwitcheroo Anakin is really Ben's father]], Palpatine has some relationship with Mara, and Luke lost his virginity to Leia right after the Battle of Yavin (so before they knew they were [[BrotherSisterIncest brother and sister]]).
*** Fans have created all sorts of inconsistency in interpreting sexuality in this universe. The Jedi are often shown as being completely {{celibate|hero}} ([[WordOfGod George Lucas has claimed otherwise]], but also said Jedi can't "form attachments", which implies something most fans don't want to deal with). {{Slash|fic}} fans have gone all over the place on the universe's stance on homosexuality, ranging from EveryoneIsBi to practically puritanical attitudes. Creator/{{Bioware}} caught flack for [[HideYourLesbians Juhani]], as although she was written as a lesbian, it's not so clear in the game itself because the writers had to rely on subtext to sneak it past the censors. In VideoGame/StarWarsTheOldRepublic, same-sex options were not available in the vanilla game, but were added in the expansions. Karen Traviss settled this with Mandalorians, at least, writing them as simply not giving a shit.
*** Most fans believe that Luke was under the influence of the DarkSide during the ''Dark Nest'' trilogy.
*** Fans have assumed that the word ''[[PardonMyKlingon kriff]]'' -- largely undefined in the EU -- has something to do with sexual intercourse. Probably because it's usually used as a stand-in for "fuck".
*** Several fans assume that Jaina Solo takes the title "Galactic Empress" after her husband Jagged Fel becomes the Emperor of the new Galactic Empire. We haven't seen much of Jaina and Jag's life beyond their marriage, and details about Jag's reign as Emperor are rather scarce. Most fans agree that Jaina and Jag are likely to be RoyalsWhoActuallyDoSomething, since both are decorated fighter pilots, Jaina is a legendary Jedi, and she learned a lot from her mother Leia's example, and she's not likely to sit on the sidelines while her husband runs the Empire.
** It's often assumed by [[RonTheDeathEater Jedi haters]] that the Jedi philosophy is about rejecting all emotions when it's actually about ''controlling'' one's emotions. The films imply, and the EU makes it clear, that Jedi are not intended to be emotionless robots-they just focus on restraining themselves so that they can act without the passions and attachments that characterize the Sith.
*** Additionally, those same fans love to assume that Jedi have absolutely no emotional connections other than Master and Padawan, when countless EU works show friendships between age-mates, [[IntergenerationalFriendship informal Master-Padawan relationships]], the occasional adolescent crush, and plenty of Jedi/non-Jedi professional relationships and friendships. In fact, it's almost impossible to find a story with Old Republic Jedi that ''doesn't'' show relationships beyond just Master-Padawan. In the films themselves, Obi-wan's friendships with Yoda, Mace, Cody, and Dexter Jettster point to this.
** Very popular terms in fanfiction include "grandmaster" and "grandpadawan" (ie the Master of one's Master, or Padawan of one's Padawan). These terms never appear in any official work. [[note]]And at any rate, in the context of the Jedi, "Grand Master" would likely denote the head of the entire order, rather than a Padawan's master's master, as the word means the leader of a knightly or fraternal order[[/note]]
** Due to the relative lack of official information on the characters' backgrounds, many ''Film/RogueOne'' fanfics lift from the actors' backgrounds when writing their respective characters, especially for Cassian, mostly because he happens to be one half of the film's almost-couple. Cassian's home planet of Fest is almost always rendered into a snowy FantasyCounterpartCulture version of Mexico, Creator/DiegoLuna's home country, the Festian language is just Mexican Spanish, and Luna's offhand remark in a press junket about Cassian being a great cook whose personal specialty is chilaquiles (which just so happens to describe Luna himself) is practically taken as fact in fanfic.

** Very popular terms in fanfiction include "grandmaster" and "grandpadawan" (ie the Master of one's Master, or Padawan of one's Padawan). These terms never appear in any official work.

** A case of fully-debunked fanon has emerged in recent times: while the ''Spinosaurus'' skeleton in ''Jurassic World'' is an obvious TakeThat to the previous film, but it was never confirmed if it actually ''is'' the skeleton of that specific spinosaur as some fans believe.[[note]][[https://www.youtube.com/watch?v=QoSwDGdN_EI This video by Klayton Fioriti]] made a strong argument that the skeleton is ''not'' the same spinosaur from ''Jurassic Park III''.[[/note]] The revelation that a spinosaur--possibly ''the'' spinosaur--was considered to appear in ''Fallen Kingdom'' in place of the ''Carnotaurus'' hurt the theory a bit, but there was still no direct statements in either direction. It was finally defied in season 4 of ''WesternAnimation/JurassicWorldCampCretaceous'', which showcases the ''Spinosaurus''--explicitly ''not'' a new specimen, it's supposed to be the same individual animal from ''Jurassic Park III'', stolen from Isla Sorna by the antagonistic Mantah Corp--alive and well, putting the spinosaur skeleton concept to rest once and for all.

** A case of fully-debunked fanon has emerged in recent times: while the ''Spinosaurus'' skeleton in ''Jurassic World'' is an obvious TakeThat to the previous film, but it was never confirmed if it actually ''is'' the skeleton of that specific spinosaur as some fans believe.[[note]][[https://www.youtube.com/watch?v=QoSwDGdN_EI This video by Klayton Fioriti]] made a strong argument that the skeleton is ''not'' the same spinosaur from ''Jurassic Park ///''.[[/note]] The revelation that a spinosaur--possibly ''the'' spinosaur--was considered to appear in ''Fallen Kingdom'' in place of the ''Carnotaurus'' hurt the theory a bit, but there was still no direct statements in either direction. It was finally defied in season 4 of ''WesternAnimation/JurassicWorldCampCretaceous'', which showcases the ''Spinosaurus''--explicitly ''not'' a new specimen, it's supposed to be the same individual animal from ''Jurassic Park ///'', stolen from Isla Sorna by the antagonistic Mantah Corp--alive and well, putting the spinosaur skeleton concept to rest once and for all.

** The decorative ''Spinosaurus'' skeleton in ''Jurassic World'' is an obvious TakeThat to the previous film, but it’s never confirmed if it actually ''is'' the skeleton of that specific spinosaur as some fans believe. The revelation that a spinosaur--possibly ''the'' spinosaur--was considered to appear in ''Fallen Kingdom'' in place of the ''Carnotaurus'' hurts the theory a bit, but there’s no direct statements in either direction, [[BrokenBase which is probably for the best]]. [[note]][[https://www.youtube.com/watch?v=QoSwDGdN_EI This video by Klayton Fioriti]] makes a strong argument that the skeleton is ''not'' the same spinosaur from ''Jurassic Park III''.[[/note]]

* Various explanations for the inconsistencies of how time travel works between the three ''Franchise/{{Terminator}}'' {{movies}} are fanon. The ''Terminator'' movies (and the [[Series/TerminatorTheSarahConnorChronicles TV show]], for example) never state how it works, just that it does.
* Given that [[WordOfGod George Lucas himself]] has said that the only things he considers "official" ''Star Wars'' are the films and the ''Clone Wars'' cartoons, it could be argued that the entirety of the ''Franchise/StarWarsExpandedUniverse'' is nothing but Fanon. [[BrokenBase Some fans would argue with this point of view]].
** Wookieepedia, the ''Franchise/StarWars'' [[TheWikiRule Wiki]], has a fairly complete [[http://starwars.wikia.com/wiki/List_of_fanon_elements_in_continuity list]] of fanon elements that have found their way into the official continuity, either as an intentional homage or due to the authors mistaking them for canon.
** [[http://supershadow.com/ SuperShadow]] is a website dealing almost exclusively in bizarre fanon notions; its webmaster alleges that he is a close personal friend of George Lucas. Most ''Star Wars'' fans avoid the site, and discussing it in a serious forum is a good way to rankle a lot of people. PoesLaw is in full effect here; fans can't tell if the guy is serious or just making fun of other fans' bizarre fanon ideas.
** Anakin was prophesied to bring "balance to the Force", but no one is sure what that "balance" is supposed to be. WordOfGod says that he was destined to destroy the Sith (which he does, by [[TakingYouWithMe killing the Emperor and dying himself]] in ''Film/ReturnOfTheJedi''). But many fans believe this prophesy refers to the BalanceBetweenGoodAndEvil -- and in the prequels, Anakin does kill all the Jedi other than Obi-Wan and Yoda, leaving two Jedi and two Sith. Other fans claim that the very existence of the Sith implies imbalance. This has caused endless arguments, with each theory ''plausible'' but rendering various parts of the saga an IdiotPlot. ''Webcomic/DarthsAndDroids'' describes the debate in the blurb of [[http://www.darthsanddroids.net/episodes/0146.html this strip]].
** ''Film/ThePhantomMenace'' introduced the concept of "midichlorians". Are they just an indicator of Force sensitivity, or do they actually create the Force itself? Canon gives no information either way. Wookieepedia says they're just sensitivity indicators, and one theory suggests that the Force creates midichlorians (and not the other way around), but it's another source of intense debate.
** Many fans believe that Anakin didn't believe Palpatine's conspiracy theory that the Jedi were trying to take over the Republic, but he went along with it anyway because Palpatine had something he needed. The films are ambiguous on this; James Luceno made that canon in the ExpandedUniverse.
** Shmi Skywalker apparently [[MysticalPregnancy became pregnant with Anakin despite being a virgin]]. The movies never explain ''how'' this happened outright, other than a vague line about him possibly being "conceived by the Living Force". Many fans latch on to Palpatine's story of Darth Plagueis, a Sith lord who could "create life"; they thus believe that Plagueis' experiments with midichlorians resulted in Anakin's conception.
** The vast ExpandedUniverse can sometimes be contradictory, not just with the films, but also with each other. Fanon tries to keep everything straight, but it's not that successful with that. Its canonicity was never very strong, but ''Film/TheForceAwakens'' and its sequels have been largely confirmed to override it anyway, making everything here even more dubious.
** Another theory is that Darth Vader avoids setting foot on Tatooine because he's afraid to face anything that reminds him of his past life as Anakin Skywalker. It's never addressed in the films, but it does explain why Obi-Wan sees no problem with hiding Luke there, and why Luke never bothers to change his surname; Darth Vader would never come to get Luke himself even if he knew he was there.
*** Or, of course, it could be because [[MemeticMutation he doesn't like sand. It's coarse and rough and irritating, and it gets everywhere.]]
*** Anakin in the Expanded Universe frequently calls Padme "Angel" as a term of endearment, even though he only ever called her an angel once in the films.
*** There are all sorts of strange theories regarding family relationships, including that [[FamilyRelationshipSwitcheroo Anakin is really Ben's father]], Palpatine has some relationship with Mara, and Luke lost his virginity to Leia right after the Battle of Yavin (so before they knew they were [[BrotherSisterIncest brother and sister]]).
*** Fans have created all sorts of inconsistency in interpreting sexuality in this universe. The Jedi are often shown as being completely {{celibate|hero}} ([[WordOfGod George Lucas has claimed otherwise]], but also said Jedi can't "form attachments", which implies something most fans don't want to deal with). {{Slash|fic}} fans have gone all over the place on the universe's stance on homosexuality, ranging from EveryoneIsBi to practically puritanical attitudes. Creator/{{Bioware}} caught flack for [[HideYourLesbians Juhani]], as although she was written as a lesbian, it's not so clear in the game itself because the writers had to rely on subtext to sneak it past the censors. In VideoGame/StarWarsTheOldRepublic, same-sex options were not available in the vanilla game, but were added in the expansions. Karen Traviss settled this with Mandalorians, at least, writing them as simply not giving a shit.
*** Most fans believe that Luke was under the influence of the DarkSide during the ''Dark Nest'' trilogy.
*** Fans have assumed that the word ''[[PardonMyKlingon kriff]]'' -- largely undefined in the EU -- has something to do with sexual intercourse. Probably because it's usually used as a stand-in for "fuck".
*** Several fans assume that Jaina Solo takes the title "Galactic Empress" after her husband Jagged Fel becomes the Emperor of the new Galactic Empire. We haven't seen much of Jaina and Jag's life beyond their marriage, and details about Jag's reign as Emperor are rather scarce. Most fans agree that Jaina and Jag are likely to be RoyalsWhoActuallyDoSomething, since both are decorated fighter pilots, Jaina is a legendary Jedi, and she learned a lot from her mother Leia's example, and she's not likely to sit on the sidelines while her husband runs the Empire.
** It's often assumed by [[RonTheDeathEater Jedi haters]] that the Jedi philosophy is about rejecting all emotions when it's actually about ''controlling'' one's emotions. The films imply, and the EU makes it clear, that Jedi are not intended to be emotionless robots-they just focus on restraining themselves so that they can act without the passions and attachments that characterize the Sith.
*** Additionally, those same fans love to assume that Jedi have absolutely no emotional connections other than Master and Padawan, when countless EU works show friendships between age-mates, [[IntergenerationalFriendship informal Master-Padawan relationships]], the occasional adolescent crush, and plenty of Jedi/non-Jedi professional relationships and friendships. In fact, it's almost impossible to find a story with Old Republic Jedi that ''doesn't'' show relationships beyond just Master-Padawan. In the films themselves, Obi-wan's friendships with Yoda, Mace, Cody, and Dexter Jettster point to this.
** Very popular terms in fanfiction include "grandmaster" and "grandpadawan" (ie the Master of one's Master, or Padawan of one's Padawan). These terms never appear in any official work.
** Due to the relative lack of official information on the characters' backgrounds, many ''Film/RogueOne'' fanfics lift from the actors' backgrounds when writing their respective characters, especially for Cassian, mostly because he happens to be one half of the film's almost-couple. Cassian's home planet of Fest is almost always rendered into a snowy FantasyCounterpartCulture version of Mexico, Creator/DiegoLuna's home country, the Festian language is just Mexican Spanish, and Luna's offhand remark in a press junket about Cassian being a great cook whose personal specialty is chilaquiles (which just so happens to describe Luna himself) is practically taken as fact in fanfic.

* ''Film/TheUsualSuspects'': There are a number of fan theories that identify Keyser Soze as any member of the cast you care to name. In the director's commentary, the filmmakers express puzzlement over this phenomenon, saying they felt the end is pretty clear.
* In TheFilmOfTheBook of ''Film/PrinceCaspian'', a geeky boy attempts to flirt with Susan at the train station in the first few minutes of the film. A small group of fans have grown attached to him, calling him Warren.
* ''Film/TheLordOfTheRings'' films gave us [[http://knowyourmeme.com/memes/figwit Figwit]], the sexy elf from ''[[Film/TheLordOfTheRingsTheFellowshipOfTheRing The Fellowship of the Ring]]''. He was noticed by fangirls and anyone else who got bored during the Council of Elrond scene; they adopted him and called him "Figwit" as [[FunWithAcronyms an acronym]] for "Frodo is great -- who is that?" He's also played by Bret [=McKenzie=], whom viewers may have recognized from ''Series/FlightOfTheConchords''. As a nod to the fans, he reappered in ''[[Film/TheLordOfTheRingsTheReturnOfTheKing The Return of the King]]'' (to much {{squee}}ing), and [=McKenzie=] was given another role in ''Film/TheHobbit'' trilogy, as Elrond's personal herald "Lindir" (meaning "singer" and a minor canon character).
* ''Film/TheHobbit'' films inspired a lot of popular headcanons about Dwarvish culture, such as hair-braiding being a serious act that's done only between family members or lovers, dwarves having ridiculously intricate courtship rituals that include elaborate gifts and hair beads, and dwarves [[SingleTargetSexuality falling in love only once in their lifetimes]] with their "[[OneTrueLove One]]".

* The fandom for ''Film/{{Inception}}'' has unanimously decided that Eames' totem is a poker chip. This is fleetingly implied in the film but never explicitly stated.

* In ''Film/TheBoondockSaints'' fanon, it's generally agreed that Connor is the older twin.
* In '' Film/MyOwnPrivateIdaho'' fanon it is generally accepted that Scott is the one who picked up Mike at the end,due to the fact the driver is wearing the same clothes as Scott and in one version of the script it was actually Scott before it was changed to be more ambiguous.

* Many Creator/QuentinTarantino fans theorize that the events of his several films are linked together in some way.
** One popular theory is that at least some of the events of ''Film/PulpFiction'' occur on the same day as the bank heist in ''Film/ReservoirDogs''. In particular, the reason why there are no cops around to stop Jules and Vincent while they're driving around covered in blood is that they're too preoccupied with the heist and its disastrous aftermath.
** Another theory is that ''Film/PulpFiction'' is a direct sequel to ''Film/ReservoirDogs''. This theory suggests that the the [[{{Macguffin}} mysterious briefcase]] in ''Pulp Fiction'' contains the diamonds from the heist in ''Reservoir Dogs''. This has some basis in fact, as WordOfGod has confirmed that the briefcase was supposed to contain diamonds in the original draft of the script.
** The theory that ''Film/KillBill'' is [[ShowWithinAShow an action movie that Mia Wallace starred in during her time as an actress]] -- possibly even a reworked version of her failed ''Fox Force Five'' TV pilot -- has recently caught on with Tarantino fans.
* Many viewers of ''Film/{{Avatar}}'' believe [[spoiler:Eywa is manipulating ''both'' sides of the conflict to achieve her ends of getting rid of the RDA.]] This is based on absolutely no canonical evidence whatsoever. She doesn't even [[spoiler:visibly interfere until Jake takes some time to explain the situation to her, and the Na'vi are about to ''lose'' their decisive battle, when she could've just ZergRush'd the RDA at about any time.]]
* ''Film/StarTrek2009'' caused some issues in that timeline, as WordOfGod was explicit that it was an alternate timeline. Fans have their own ideas as to how those timelines differ.
** One theory is that Kirk was sent to Tarsus IV after the "car incident" and thus was present for the massacre on the colony, just as the Kirk of the "main" ''Franchise/StarTrek'' timeline was. It's not unusual for this to be a profound influence on his character in fic. The notion has also crept in that nu!Kirk studied under [[Series/StarTrekEnterprise Hoshi Sato]], who was said to be on Tarsus IV at the time of the massacre.
** The vast majority of reboot fanfic writers depict Kirk's stepfather as an alcoholic, ultra-abusive, and even a child molester. His mother is also often written as depressed and emotionally distant.
** Fanon also suggests that Kirk is allergic to a large percentage of medications, basing it on ''both'' timelines; we see his allergy to eye medication in ''Film/StarTrekIITheWrathOfKhan'', and we also see his strange reactions to everything Bones gave him in the 2009 film.
** Overlapping slightly with WriterInducedFanon and TheShipsMotor, it appears that a great many K/S shippers have adopted the pendant that Spock Prime would have shown his counterpart in the [[WhatCouldHaveBeen unfilmed ending scene]] into their own headcanons - whilst it has never been referenced in canon, we don't know for sure that it doesn't exist at all.
* ''Franchise/MarvelCinematicUniverse'' has so much "headcanon" that there's [[http://theavengersheadcanons.tumblr.com/ Avengers a whole site]] dedicated to this trope.
** The character Hawkeye, though, attracts the most theories, many still inspired by the mainstream comics. They include that Clint was a CircusBrat with a criminal record (like in his comic backstory), served in the U.S. Army or else some kind of law enforcement division, is a single father with a young child (which was shot down somewhat following ''Film/AvengersAgeOfUltron'', is or once was dating (or even married to) [[ComicBook/{{Mockingbird}} Bobbi Morse]], that Bobbi Morse is the mother of the aforementioned child, and many more. Some fans of ''Film/TheBourneLegacy'' even invoke the ActorAllusion to suggest that this film is Hawkeye's origin story; both characters are played by Creator/JeremyRenner.
** Additionally, the vast majority of fics featuring Black Widow as a major character give her the same backstory as her comics character; [[TheAgeless agelessness]] and all, making her a product of the Red Room, a rough contemporary of Steve, and having a past relationship with the Bucky Barnes, the Winter Soldier, despite their very limited on-screen interactions (though her "Don't you recognise me?" line in ''Film/CaptainAmericaCivilWar'' was pounced on by fans). The latter ship, variously known as Buckytasha and Winter Widow, is tagged on over 4000 fics on Website/ArchiveOfOurOwn. The canonical Brutasha (Bruce Banner/Natasha Romanov), by contrast, has less than half that number.
* ''Franchise/PlanetOfTheApes'': It's widely accepted that Zira and Cornelius coming to the past and Caesar's birth there altered the 'verse's history, greatly speeding up the ape revolution and making it happen much earlier than the one that led to the events of the [[Film/PlanetOfTheApes1968 first film]]. This may also mean that the aftermath of ''Battle'' is different from the one in the original timeline, and that the world might not have been destroyed as it was in ''Beneath''. A "closed loop" theory also suggests that anger at Caesar led to him being erased from ape history later on, leading to the scrolls Zira and Cornelius read having Aldo as the first to say "no".
** In the same way, followers of the first theory believe that the new timeline changed The Lawgiver from vengeful and hateful to humans, to tolerant and a promoter of friendship between the two races. Followers of the "closed loop" theory, on the other hand, believe that The Lawgiver's teachings were originally like this, but that they were misinterpreted or altered by [[CorruptChurch the Orangutans]] later on. The fourth film (where The Lawgiver appears) is [[ShrugOfGod intentionally ambiguous]], and ends with a shot of a Caesar statue [[GainaxEnding crying a tear]]. Naturally, the former interpret this as Caesar crying out of joy for succeeding in securing peace, while the latter believe that he cries out of sadness because [[AscendedToAHigherPlaneOfExistence he knows]] his efforts will fail.
* A common theory regarding the ContinuitySnarl between ''Film/XMenFirstClass'' and ''Film/XMenTheLastStand'' is that the Xavier who visited Jean Grey was, in fact, a psychic projection.
* In ''Film/BillAndTed'' fanfics, if either of boys' biological mothers' whereabouts are mentioned, typically Bill's left him and his father, and Ted's mom is dead, going along with the fanfic trend of making him [[TheWoobie a Woobie]].
* ''Franchise/{{Godzilla}}''
** In fan works and non-{{canon}} ExpandedUniverse stories, it's fairly common to portray [[Film/GodzillaVsBiollante Biollante]] as an example of GaiasVengeance with an empathic connection to the HiveMind of [[MotherNature the Earth itself]]. In the actual films, this was never the case; Biollante was just a single mutated plant with individual sentience, thanks to being cross-bred with the DNA of a human girl.
** Fan works tend to portray Anguirus as the oldest {{Kaiju}} in the ''Godzilla'' universe, and it's not uncommon to portray him and Godzilla as being VitriolicBestBuds with a grudging respect for each other, reflecting their long history together. This has ''some'' loose basis in {{canon}}: Anguirus was the first {{Kaiju}} that Godzilla ever faced (back in ''Film/GodzillaRaidsAgain'', the second movie in the series), he was said to be a mutated dinosaur from an extinct species, and he and Godzilla ''did'' team up on a few occasions in the Shōwa series. Still, nothing in the series ever indicated that he was actually physically older than any of the other monsters, and his relationship with Godzilla never seemed to be especially close.
** The notion that all three of Ghidorah's heads have separate personalities, with the middle head being the leader, has gained some popularity, though it tends to be avoided in more serious works as it would just complicate things. Became AscendedFanon in ''Film/GodzillaKingOfTheMonsters2019'', where this is said to be the case for that version of Ghidorah - which itself resulted in a new bit of fanon being created that the left head ("Kevin") is a goofball who doesn't understand the gravitas of their situation and is just along for the ride.

* ''Film/TheDevilWearsPrada'': A lot of fans assume that Andy got very close to Miranda's daughters, Caroline and Cassidy, to the point that she is one of only two people, along with Miranda, who can tell the two apart. This is despite there being very little evidence of it in the actual film.
* Most ''Film/PrincessProtectionProgram'' fans seem to agree that Carter and Rosie are at least bisexual, as well as the fact that they developed a mutual attraction to each other. However, due to Rosie's responsibilities to her kingdom, they could never act on it. Though most agree that they at least confessed to each other at some point. The most agreed-upon points after the Homecoming dance or before Rosie's coronation.

*** The absence of the ''Spinosaurus'' from ''The Lost World'' was previously suggested by fans as having been because it lived in a different part of the island, possibly because it was a juvenile at the time and therefore avoided the tyrannosaurs and raptors which formed the main threat in that film. Since then, viral marketing for ''Jurassic World: Fallen Kingdom'' [[AscendedFanon has confirmed a different fan-theory]]: that the spino was created off-screen by [=InGen=] for some nefarious reason in an attempt to set up a new park, because these guys never learn, which handily explains why it “wasn’t on [=InGen=]’s list” as mentioned by Grant and Billy in ''Jurassic Park III'', though in the adjusted canon it was done by Masrani instead. The other reigning theory with regards to the spino not being on the list had been that it was originally misidentified as a ''Baryonyx'', [[SirNotAppearingInThisTrailer which is confirmed to have existed on Isla Nublar but never appeared]], but hadn’t developed its sail yet. [[ScienceMarchesOn The other factor to the spino being created between films--as an implied hybrid, no less--is because new fossils were found between the third and fourth films which indicate the real animal was very different from the fictionalized version]].

*** Fans have created all sorts of inconsistency in interpreting sexuality in this universe. The Jedi are often shown as being completely {{celibate|hero}} ([[WordOfGod George Lucas has claimed otherwise]], but also said Jedi can't "form attachments", which implies something most fans don't want to deal with). {{Slash|fic}} fans have gone all over the place on the universe's stance on homosexuality, ranging from EveryoneIsBi to practically puritanical attitudes. Creator/{{Bioware}} caught flack for [[HideYourLesbians Juhani]], as although she was written as a lesbian, it's not so clear in the game itself because the writers had to [[GettingCrapPastTheRadar rely on subtext to sneak it past the censors]]. In VideoGame/StarWarsTheOldRepublic, same-sex options were not available in the vanilla game, but were added in the expansions. Karen Traviss settled this with Mandalorians, at least, writing them as simply not giving a shit.

*** Additionally, fans love to assume that Jedi have absolutely no emotional connections other than Master and Padawan, when countless EU works show friendships between age-mates, [[IntergenerationalFriendship informal Master-Padawan relationships]], the occasional adolescent crush, and plenty of Jedi/non-Jedi professional relationships and friendships. In fact, it's almost impossible to find a story with Old Republic Jedi that ''doesn't'' show relationships beyond just Master-Padawan. In the films themselves, Obi-wan's friendships with Yoda, Mace, and Dexter Jettster point to this.