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[[quoteright:350:[[VideoGame/SuperSmashBros http://static.tvtropes.org/pmwiki/pub/images/Fox_Illusion_Move.jpg]]]]
[[caption-width-right:350:[[VideoGame/StarFox Fox McCloud]] moves faster than the naked eye.]]

One common way of portraying a character as moving very, very quickly in fiction is to make multiple images of them viewable at once. They appear to be moving so fast that they're in several places at once. For the sake of preventing confusion, usually the "non-static" parts are shaded with less color, so we're sure that a character is moving really fast as opposed to being a monster with eight arms. Indeed, this trope is much easier to show than it is to describe -- it's one of those effects that usually has to be pointed out to a casual viewer for them to even realize it's there.

In some fiction, the echoes are more than just a special effect -- they're literal. Other characters can see them and be confused by them, making them effective covers for highly elaborate martial arts attacks. In video games, they can be used as an excuse to force the player to use timing to hit the "real" image. For various reasons, using SpeedEchoes for the DoppelgangerSpin doesn't really make a whole [[FridgeLogic heck of a lot of sense]], but eh, [[MST3KMantra roll with it]].

Note that sometimes this trope can be used somewhat lazily: a character will have SpeedEchoes but aren't really moving all that fast. The echoes are just to make us ''think'' they're moving fast.

This is somewhat distinct from DoppelgangerAttack, although technically a work can employ both at once. Related to SpeedStripes and FlashStep, both of which often employ this trope in their basic function. Indeed, you can see examples of SpeedEchoes in action in both of those pages' images.



[[folder:Anime & Manga]]
* Used straight in ''Manga/RanmaOneHalf'' to show particularly fast opponents. Memorably subverted in at least one instance: Kodachi appears to do this in the middle of her gymnastics-themed battle with Ranma, but it is quickly revealed that she's actually attacking him with 20 objects at once.
* In ''Manga/Cyborg009'', one guy who is TheMinnesotaFats to the main character can move so fast he does this. Furthermore, the afterimages sticks around for quite a while, effectively being used as a DoppelgangerSpin.
* ''Manga/{{Bleach}}'':
** The first time we see Ichigo use his Bankai, the resulting speed increase is so great that Byakuya, who was previously shown as a speed demon, could only see afterimages (when his eyes didn't fail to keep track of Ichigo altogether). At one point, Ichigo is running so fast relative to Byakuya that he leaves multiple rows of speed echoes...''moving in opposite directions. Simultaneously.''
** This is also the main schtick of the Arrancar Zommari Leroux, at least his pre-Ressurecion form.
** Soi Feng does this when she confronts Aizen during the Arrancar arc.
* ''Manga/{{Claymore}}'':
** Phantom Miria moves so fast, she leaves afterimages of herself behind, greatly confusing her enemies. They think they struck her, then her "body" promptly dissipates and she's already behind them, ready to strike.
** Hysteria the Elegant uses a similar technique, but it's far more precise; Miria uses phantoms to distract her enemies for the split-second she needs to get behind them, whereas Hysteria uses her speed to immediately attack by charging her opponent, sidestepping at the last possible second, and moving behind them to slash them in the back. In this way, her afterimage appears to moving ''through'' her opponent.
* Several characters of ''Anime/HunterXHunter'' (Killua and Feitan, notably) do this ''purposely'': the multiple images are visible to everybody, and the characters hide among those in order to proceed with a surprise attack.
* This happens quite a bit in ''Manga/DragonBall'', to the point where it became a staple of the series's biggest fights; among other instances, one character pulled this trick with a total of ''eight'' copies.
* In ''Manga/ChronoCrusade'', SpeedEchoes are used to show how fast Joshua can move. Interestingly, there's also another page in the same chapter for an almost theatrical slow motion effect. (Warning: the second page contains a spoiler.)
* Used by [[LightningBruiser Signum]] during her first battle with [[FragileSpeedster Fate]] in ''Anime/MagicalGirlLyricalNanohaAs''. "You have pretty good senses for a mage... but when challenging a Belka-type knight, it's not enough!"
* This is one of Shinomori Aoshi's special attack in ''Manga/RurouniKenshin'', ''Ryusui no Ugoki''. Its weakness is while the flow of afterimages itself is seemingly unbreakable, the transition towards an offensive move (as is the case with the ''Jissen Kenbu'' combo attack) can be anticipated by a skilled opponent (like Kenshin and Okina).
* ''Gundam'' has this for [[SuperPrototype some suits]] in various series. Often [[Anime/MobileSuitGundamF91 occurs]] [[Anime/MobileSuitGundamSEEDDestiny when]] [[Anime/MobileSuitGundam00 the Gundam]] enables a SuperMode. One of the most prominent examples of this was the titular mech in ''Anime/MobileSuitGundamF91''; in the climax Seabook used its ability to ablate molecule-thin layers of its armor (ostensibly to dissipate excess heat) to create a trail of illusory Gundams that distracted the BigBad, allowing Seabook to go in for the kill.
* Ryuko from ''Anime/KillLaKill'' uses this to confuse Inumuta during their fight, as well as during her fight with Nui.
* Long before the Gundams could do that, there was Getter-2 from ''Manga/GetterRobo'', whose special ability is "Getter Vision", which allows it to create images of itself as it moves fast.
* Polnareff, in ''Manga/JojosBizarreAdventureStardustCrusaders'', at one point uses the DoppelgangerAttack variant.

[[folder:Comic Books]]
* Frequently used in comics to display either superhuman speed or acrobatics. Franchise/SpiderMan and ComicBook/{{Nightwing}} are the undisputed masters of the latter effect.
* ComicBook/TheFlash and his fellow speedsters. This is actually ''weaponized'' by a (non-Flash) speedster in Creator/GrantMorrison's [[Franchise/JusticeLeagueOfAmerica JLA]] run: he runs in such a manner that he leaves speed echoes in a strobing pattern, trying to disorient The Flash, who's chasing him at SuperSpeed.
* Numerous early comics of ''Series/BuffyTheVampireSlayer'' have panels of the titular hero fighting enemies with after images of her dolling out blows or preforming different maneuvers to show her moving faster than her surroundings. Some of them include her speaking whole sentences that are broken apart and divided amongst each image.
* In the New 52's ''[[ComicBook/DialHForHero Dial H]]'' series, the ability to produce speed echoes is the signature power of the villain Centipede.

[[folder:Films -- Animation]]
* ''Anime/FinalFantasyVIIAdventChildren'' does this with Cloud's [[FinishingMove Omnislash version 5]]. Loz too.

[[folder:Films -- Live-Action]]
* ''Film/TheMatrix'' has several examples of this, beginning with the "Hit me. If you can." dojo fight, through the agent in the rooftop firefight dodging bullets, to the "fist bouquet" effect as Smith pummels Neo.
* Used for the BigBad in ''Film/TheChroniclesOfRiddick'', although in his case it's more a matter of slipping through hyperspace (the "underverse") than super-speed.
* Used to unintentionally hilarious effect in ''Film/QueenOfTheDamned''. Vampires' unnatural speed is represented by a smeary trail of afterimages... even if the vampire otherwise appears to be moving at the same speed as nearby ''non-''vampires.

* A rare written example in ''Literature/ArtemisFowl: The Lost Colony''; a pixie named Doodah Day is talked into helping the protagonists break into a mansion in return for having his meat-smuggling charges dropped. When sent in ahead, he disguises himself as the owners' son and suped-up a miniature car with a {{Magitek}} fuel cell. When a security officer realizes he isn't a real kid, Doodah hit the throttle, going from five to fifty thousand in two seconds, and is described as leaving behind a distinct and long lasting after image in his wake.

[[folder:Live-Action TV]]
* This trope coupled with BulletTime makes the signature style of the SuperSpeed scenes of ''{{Series/Smallville}}''.
* In one of the ''Dune'' series, this effect was used to show the preternatural speed Paul had earned through his martial training.
* A variation is found in The Picard Maneuver of ''Series/StarTrekTheNextGeneration''. The premise is that making a short warp jump allows a ship to overtake their own image traveling toward the observer and thus appear in two places at once. This maneuver only works on low-tech enemies, who rely on light-speed sensors only; an enemy ship with FTL sensors (i.e. most of the ones ''Enterprise'' runs across) can easily distinguish between the echoes and the real thing.
* Eobard Thawne from ''Series/{{The Flash|2014}}'' created a nifty illusion of himself doubled and standing side-by-side by traveling back and forth from those spots in super speed.
* In ''Series/{{Heroes}}'', when Hiro stops time, he sees a long Daphne-colored trail leading him to the speedster.
* This effect was used with Vicki in the ''Series/SmallWonder'' episode "My Robot Family".
* Suggested by Raj as a solution when all four of the main characters showed up for a costume party dressed as Franchise/TheFlash on ''Series/TheBigBangTheory''.

[[folder:Video Games]]
* Very obvious in ''VideoGame/ViewtifulJoe''. To an outside observer, this could just as easily be a magic spell Joe casts which causes a bazillion Joes to appear on the screen beating the bejeezers out of everyone.
* Many, many, ''many'' 2D {{Fighting Game}}s have the character summon "afterimages" during {{Desperation Attack}}s, high jumps, or even evades.
* ''VideoGame/CastlevaniaSymphonyOfTheNight'' used afterimages whenever...well...ANYTHING happened, really.
* This is how the Speed Booster power-up is animated in the 2D ''Franchise/{{Metroid}}'' games where it appears.
* This appears in the ''VideoGame/MegaManX'' (since VideoGame/MegaManX4 onwards), ''[[VideoGame/MegaManZero Zero]]'' and ''[[VideoGame/MegaManZX ZX]]'' games whenever the player dashes or dash-jumps.
* This happens to Mario or Luigi when you use the Rainbow Star in ''VideoGame/SuperMarioGalaxy'' and [[VideoGame/SuperMarioGalaxy2 its sequel]].
** The Speed Flower and Slow Flower in ''VideoGame/SuperPaperMario'' make whoever uses them leave red and blue copies respectively; the latter is an odd case as it makes them ''slower'' than without it. For some reason, shaking the Wii remote after [[GoombaStomp jumping on an enemy]] also makes you leave afterimages while you're in the air. [[spoiler: Count Bleck also leaves these and can slow his opponent to the same effect as the Slow Flower]].
* ''Franchise/SonicTheHedgehog'' and friends show this in the 2D games, mainly the ''VideoGame/SonicAdvanceTrilogy'' and ''VideoGame/SonicRushSeries''.
** First seen when Sonic became [[SuperMode Hyper]] [[UpToEleven Sonic]] in ''VideoGame/Sonic3AndKnuckles''.
** Sonic also leaves these when doing certain [[LeParkour Parkour]] moves or [[SolidClouds jumping on clouds]] in ''VideoGame/SonicLostWorld''.
* Employed by Hotsuma in the [=PS2=] version of Sega's ''VideoGame/{{Shinobi}}''
* In the ''VideoGame/SuperSmashBros'' games, Fox and Falco's Side B moves leave SpeedEchoes behind as they zip across the screen.
* High-end [[GunsAkimbo Dual Pistols]] attacks in ''VideoGame/CityOfHeroes'' create SpeedEchoes as the character spins to bring their guns to bear on targets.
* Guess what is the superpower of Afterimage in ''VideoGame/LegacyOfHeroes'' ?
* In ''VideoGame/SDGundamCapsuleFighter'', those same aforementioned Gundam units, usually the high-end S-Ranks, can create SpeedEchoes once they activate a secondary form.
* Used constantly with Quick Man in ''VideoGame/MegaManClassic'' BossRush GaidenGame ''The Power Fighters.'' While quite understandable in his introduction (where he darts around on the screen like an overcaffeinated superball), he is considerably slower in the course of the battle. Gemini Man also has afterimages on both of his selves, but given the whole premise of his method of combat involves speed and deception, it's fitting.
* In ''VideoGame/DynastyWarriorsGundam'', picking up the speed boost power up will cause your mobile suit to leave ghostly echoes of itself for a couple of seconds when it starts to move again after coming to a full stop. Also, the 'escape boost' causes a brief afterimage of your suit to flicker in the place you used to be while, implying that the emergency boost got your suit out of trouble so quickly that enemies are attacking where you seemed to be.
* In ''Franchise/FinalFantasy'' games, the beneficial status "blink" is presented as the character moving back and forth, leaving blurry afterimages, and therefore making it difficult for the enemy to pin down where they are exactly.
* Invoked by characters with "Shadow" moves in the MortalKombat series, such as Johnny Cage. Curiously, this is absent in the games following ''VideoGame/MortalKombatDeadlyAlliance'', where characters performing said moves are trailed by a green fog effect instead.
* The Franchise/{{Pokemon}} move Double Team works this way to raise the user's chances of evading attack.
* The GBA ''Franchise/FireEmblem'' games do this with many [[CriticalHitClass high-speed classes]] such as [[MasterSwordsman Swordmasters]] and [[ProfessionalKiller Assassins]] to illustrate their speed. The Assassin's [[OneHitKO Silencer]] ability in particular uses the standard CriticalHit animation, but with motion blurs at the start.
* The Speed Booster from ''VideoGame/SuperMetroid''.
* ''VideoGame/WarcraftIII'''s take on the DoppelgangerSpin has the Blademaster vibrate from side (making it look like three of them are trying to stand in the same place) before his mirror clones pop up.

[[folder:Web Comics]]
* ''Webcomic/TheOrderOfTheStick'': [[http://www.giantitp.com/comics/oots0977.html After being struck by a lightning gun]], [[spoiler:the flesh golem that Crystal has become]] gets supercharged and move fast enough to leave after-images. So does Haley in the same scenes after activating her enchanted boots of speed.

[[folder:Western Animation]]
* ''WesternAnimation/CodeLyoko'':
** Ulrich running at SuperSpeed leaves a yellow trail behind him. His "Triangulate" power relies on Speed Echoes, combining the Super Sprint with DoppelgangerAttack.
** In the real world, the [=XANAfied=] people and Polymorphic Specters also leave such an after-effect when moving fast.
* Played for laughs in one episode of ''WesternAnimation/TheSimpsons'' when Homer dashes off and a Homer-shaped dust cloud stays in place for several seconds after he's gone.
* ''WesternAnimation/PhineasAndFerb'':
** A similar situation to the ''Simpsons'' example above occurs in an episode: Doofenshmirtz decides to make a quick exit, and a Doofenshmirtz-shaped dust cloud appears along with a *RUN AWAY* sound effect. However, when the smoke clears, a confused Doofenschmirtz is still there, wondering what exactly just happened.
** Candace does a similar thing at the beginning of "The Flying Fishmonger".
* ''WesternAnimation/TheTransformers'', [[http://tfwiki.net/wiki/Blurr_%28G1%29 Blurr]] is unsurprisingly animated like this. He also ''[[MotorMouth speaks]]'' like this -- his mouth does not have clear animation frames because they overlap several consecutive animation frames, which causes his mouth shapes to be nothing but a series of afterimages when he says anything.