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[-[[caption-width-right:350:[[http://thatld.deviantart.com/art/Conquer-Yourself-260813222 Image]] by [[http://thatld.deviantart.com/ thatLD]]]]-]

When you look into a mirror, you see a person who is in some ways identical to yourself, but who is also in some ways your opposite. If you are right-handed, your mirror will show a left-handed person, and vice versa.

This "same but opposite" is the cornerstone of a MirrorUniverse. A character's "same but opposite" counterpart is the Mirror Self. However, a MirrorSelf can sometimes also be created by misuse of AppliedPhlebotinum.

Not to be confused with an AlternateSelf, who is the same person without being an opposite. Might have gone through different experiences and been changed by them, but is not a polar opposite like the Mirror Self. Compare MesACrowd.


[[folder:Anime And Manga]]
* Subverted in ''Manga/CardcaptorSakura'' by the use of The Mirror card which creates an exact copy of Sakura that she can then control. Before her capture The Mirror appeared to be a mischievous opposite version of Sakura but this is likely just the personality of the card itself and not because it's Sakura's reflection.
* Played for laughs in an episode of ''Anime/{{Slayers}}''. An evil wizard uses a mirror that brings to life the subject it reflects. In a flash of light, the heroes are face to face with exact mirror duplicates of themselves. They run off screaming because they are cowards where the originals are brave adventurers.

[[folder:Comic Books]]
* In ''TheSmurfs'' story "The Hundredth Smurf", a Smurf's mirror is [[LightningCanDoAnything struck by lightning]], which brings his reflection to life. The reflection speaks backwards and does everything the original Smurf does, but in reverse (lifting the right arm when the other lifts the left, for instance). After he causes chaos in the village by his opposite nature, the reflection decides to return to the mirror, but he goes through it instead, and comes out a regular Smurf.
* John Byrne retold [[ComicBook/WonderGirl Donna Troy]]'s origin in ''Franchise/WonderWoman'' so that she was originally the mirror self of Princess Diana as a teenager, but given a separate personality by the sorceress who owned the mirror. Donna Troy was then captured by Queen Hippolyta's nemesis Dark Angel, who mistook her for Diana, and subjected her to live multiple lives that all ended in tragedy, ultimately leading to the one where Donna becomes Wonder Girl/Troia of the ComicBook/TeenTitans. This origin has recently been retconned out of her history since 2006.
* [[ComicBook/ConanTheBarbarian Conan the Barbarian]] once visited a parallel universe to meet Conar, a [[Series/{{Scrubs}} bastard coated with bastard with bastard filling]] as opposed to his {{jerk with a heart of gold}} nature. No less of a badass and favored of the fates, Conar had already won his throne by that time, and it turned out the arrival of Conan foiled an assassination attempt by some would-be usurpers. After a fight to a standstill (after winning the hearts or more of some of his mirror self's subjects, including the wife and the mistress), Conan left the mirror world, justifying the act as leaving the throne to its rightful owner.

* In ''Fanfic/EmpathTheLuckiestSmurf'', Vanity's Mirror Self goes by the name of [[MeaningfulName Century]], but in "Vanity's Double" shows that he isn't afraid of swords or swordfighting, which proves helpful when is cast alongside Vanity in the role of Robin Smurf.
* [[http://www.fimfiction.net/story/15353/inner-glory Inner Glory]] has the dark reflections, [[EvilTwin Evil Twins]] of the mane six dwelling in Tartarus:
** Twilight Sparkle, the Element of Magic (magic representing friendship in this setting): Lustrous Revolt is rude, quick to violence, callous, and demanding. ...In other words, she's unfriendly.
** Rainbow Dash, the Element of Loyalty: Spectral Slash acts like a friend to the mane six at first, but sells them out to her ''real'' allies almost immediately.
** Pinkie Pie, the Element of Laughter: Pinkamena Diane is depressed, bitter, sullen, and always serious.
** Rarity, the Element of Generosity: Temperament totally scams Twilight, and generally acts very greedy.
** Fluttershy, the Element of Kindness: Shuddercry is a sadistic {{Jerkass}} who enjoys bullying others.
** Applejack, the Element of Honesty: Jackie is a [[TokenGoodTeammate (surprisingly nice)]] pragmatist who has no problem lying to get what she wants.
* The ''{{Manga/Bleach}}'' fanfics ''[[https://www.fanfiction.net/s/6902577/1/Phases-of-the-Moon Phases of the Moon]]'' and ''[[https://www.fanfiction.net/s/8222340/1/Chasing-the-Moon Chasing the Moon]]'' feature [[spoiler: Jungetsu, Kurosaki Yuzu]]'s zanpakuto spirit. She appears as a perfect copy of her wielder, except all of her wielder's features are reversed, including [[LeftHandedMirror handedness]]. This is actually combined with RevealingInjury later on, when [[spoiler: Jungetsu takes Yuzu's place in the world of her bankai to trick and distract Byakuya from finding the real Yuzu.]] [[spoiler: Byakuya]] discovers the fake by [[SpottingTheThread noticing that a scar was on the wrong arm.]]

* ''Film/ScottPilgrimVsTheWorld'' has "Nega-Scott". [[spoiler:Subverted. Other than his [[Franchise/TheLegendOfZelda Dark Link appearance]] he's exactly like Scott and they get along swimmingly.]]
* In ''Film/TheDarkCrystal'', the "good" urRu/Mystics and the "evil" Skeksis are split beings, formed from a race (the "urSkeks") not native to the world of the film, and who were formed when the Crystal itself was split. Each Mystic has a Skeksis counterpart, and if one dies, so does the counterpart.

* The ''Literature/CallahansCrosstimeSaloon ''story "Mirror/rorriM Off The Wall" has a MirrorUniverse where everything is in reverse/backwards, including handedness and fingerprints. One of its inhabitants is a Mirror Self of someone in our universe: they're both named Robert Trebor.
* In ''Literature/{{Pact}}'', Blake and Rose Thorburn are reflections of each other born as different genders. Only one can inhabit the real world at a time-the other is trapped in an empty mirror world created by light shining through mirrors in the real world.
* One of the earliest StarTrek novels, "Spock Must Die!" involved a transporter accident duplicating Spock. As such things go, of course the clone is evil, but Kirk and the others can't tell who is who. They eventually figure out that [[spoiler: since the copy was created by a reflected transporter beam, it is reversed left-to-right, right down to the molecular level. He can only survive on special synthesized food, because his body is made of backwards amino acids.]]
* In Karl Marx's "Scorpion and Felix," the author hears a voice saying that it will prove the opposite of what he said. It turns out that this voice is 'himself.' He turns around to check who said it, and sees himself there. His first thought is that he is a 'doppelgänger.'

[[folder:Live Action TV]]
* In the ''Franchise/StarTrek'' universe, there is a MirrorUniverse where every character has a MirrorSelf. Good characters generally have evil Mirror Selves, and vice versa (there are exceptions, like [[Series/StarTrekDeepSpaceNine "Smiley" O'Brien]]). Ambiguous characters often have their defining traits reversed.
* The Doctor encounters mirror counterparts of the UNIT team in the ''Series/DoctorWho'' serial "Inferno".
** It's {{Fan Wank}}ed that the mirror universe Doctor himself is [[ShadowDictator Fearless Leader]] of the mirror world.
* In ''Series/{{Charmed}}'', the MirrorWorld has a Mirror Self of every character, just like in Franchise/StarTrek. The characters also have alignment-shifted powers, creating oxymorons like the Demon of Hope.
** It's not really an oxymoron, because demons are the good guys there.
** It's not impossible for [[HopeSpot hope to become figuratively demonic]].

* ''Thelonious Monk'' is reflected in mirror images on the album cover of ''Music/BrilliantCorners.''

[[folder:Newspaper Comics]]
* In ''ComicStrip/CalvinAndHobbes'', one story arc features Calvin making a Mirror Self of himself. The real Calvin doesn't want to do his homework or clean his room, but his Mirror Self is a well adjusted polite little boy who gladly does these things... and proceeds to destroy his life [[GoneHorriblyRight by being way too nice.]]
* In ''ComicStrip/TheWackyAdventuresOfPedro'', Pedro's efforts in constructing a mirror portal turn his reflection into an EvilTwin named [[SdrawkcabName Ordep]]. Later, the mirror also turns Ordep's reflection into the goody-goody [[SignificantAnagram Erpod]].

[[folder:Tabletop Games]]
* Using the right spells in ''TabletopGame/DungeonsAndDragons'' allows characters to enter the Plane of Mirrors, a transitive plane that uses a set of mirrors as a PortalNetwork - the catch was that entering it created an opposite-alignment mirror counterpart (opposite primary hand and all) that would try to kill you and take your place in the "real" world. An adventuring party that pursued a foe onto the plane ran the risk of encountering its very own band of PsychoRangers... as well as one potential ally.

[[folder:Video Games]]
* Close to the end of ''VideoGame/QuestForGloryIII''. Each hero was forced to fight a twisted mirror image of him- or herself.
* The final boss of the Old Kingdom instance in ''VideoGame/WorldOfWarcraft'' summon mirror versions of the heroes for them to fight.
* In ''VideoGame/ZeldaIITheAdventureOfLink'', Link has to do battle against a mirror image of himself. He was so popular that "Dark Link" has shown up several times since then.
* In ''VideoGame/FinalFantasyIV'', when Cecil [[spoiler:becomes a Paladin]] he must fight a mirror image of himself to atone for his past.
* In [[VideoGame/PrinceOfPersia1 Prince of Persia]], the Prince, at one point, has to jump through a mirror, which sets his reflection free, who is pretty much the game's most memorable villain. It makes a few appearances throughout the game generally being a jerk, until he has a level dedicated entirely to dealing with it.
* ''VideoGame/KingdomHearts02BirthBySleepAFragmentaryPassage'' features four separate battles with Aqua's Mirror Self created by the MagicMirror of the darkness-corrupted Dwarf Woodlands. Three are mandatory and of steadily increasing difficulty, while the fourth requires beating the game once and performing a sidequest to unlock the BossRush, at the end of which awaits the immensely powerful [[ThatOneBoss Zodiac Aqua]].
* Near the end of ''VideoGame/DeathGate'', your path is blocked by a mirror version of yourself. Since he's just as strong as you and matches your moves exactly, you can't force your way past him. The solution? [[spoiler: Cast the self-immolation spell, but choose runes that make a mirrored pattern. He will cast the same spell, but whereas yours will be wrong and do nothing, his will work - and destroy him]].

* Played with in ''Webcomic/TheNonAdventuresOfWonderella''. Everybody in the mirror universe has the opposite moral alignment of their normal self -- except for [[ChaoticNeutral Wonderella and Dr. Shark]]. As the mirror-world's Wonderella explains it:
-->'''Anti-Wonderella:''' [[http://i.imgur.com/avdZiBV.png The opposite of neutral is still neutral!]]
* In ''Webcomic/DarkLegacyComics,'' it turns out that the characters have mirror selves on the other side. The protagonists are alliance characters in World Of Warcraft, so their mirror selves are horde. This make [[http://i.imgur.com/El2CHd0.jpg at least one character frustrated]] and at least [[http://i.imgur.com/RNMo0AI.jpg one (*2) character(s) happy.]]
* ''Webcomic/{{Homestuck}}'': The Scratch mechanism in Sburb and Sgrub sessions basically creates these -- your ancestor will take your place in life, down to living in your house, and usually shares a decent amount of your personality as well as your Aspect in the game, but they're not a direct copy.

[[folder:Western Animation]]
* In ''WesternAnimation/TheBatman'', Batman, Robin, and the Flash dealt with mirror versions of themselves created by the inventions of the Mirror Master.

[[folder:Real Life]]
* It's a commonly held belief [[ConspiracyTheorist among many conspiracy theorists]] that mirrors are [[http://indianinthemachine.wordpress.com/2010/04/05/10-secret-mind-control-symbols-in-music-videos-and-movies among the 10 secret mind control symbols]] that appear all throughout the media and that they represent [[ManchurianAgent "alters" or artificial personalities]] that were created by a performer's [[TheIlluminati Illuminati mind-control programmers]] or "handlers". The main four alters are alleged to be "alpha" (general), "beta" (sex), "delta" (killer) and "theta" (psychic} with beta being the most common. Mirrors are [[UrbanLegend considered to be important]] in [[{{Brainwashed}} Illuminati programming]] because the the mirrors create internal images. Within the [[http://www.bibliotecapleyades.net/sociopolitica/esp_sociopol_mindcon02.htm Monarch slave's mind]] countless mirror images are made. The person seeing a different person in the mirror is said to be a powerful MK Ultra mind control symbol. According to the [[TinfoilHat tinfoil hat crowd]], mirrors also serve as a [[ManchurianAgent hypnotic trigger]] for the performer in question. For example, [[http://www.imagebam.com/image/bd618910245796# this photo]] of Cindy Margolis, which appeared in the July, 2008 issue of ''Magazine/{{Playboy}}'' has two mirrors and she's looking in one of them. [[ConspiracyTheorist They]] also claim that having half of her face shadowed indicates a SplitPersonality and the fact that she's naked emphasizes that Cindy Margolis is looking at one of her [[http://hollywoodsubliminals.wordpress.com/project-monarch/sex-kitten beta ("sex kitten")]] alters.{{NSFW}}