->'''Cueball''': ''"Well, you know what they say, the past is a foreign country-"''
->'''Black Hat Guy''': ''"-with an outdated military and huge oil reserves... hmmm..."''
-->-'''Webcomic/{{xkcd}}''', looking at it from the other direction.

TakeOverTheWorld meets TimeTravel.

This is a character, very common in ComicBooks and occasionally appearing in other forms of ScienceFiction, who comes from a distant future, where the technology has advanced to the point where time travel is possible. Having found conquering his own time either too difficult or too easy, he travels back in time to the present, where he sets about using his advanced technology to conquer our world and become an EvilOverlord.

Rarely does it occur to them that, if they were meant to succeed, history would already have recorded it, or that they might end up [[GrandfatherParadox screwing themselves up by tampering with time]]; unless, of course, they live in a multiverse. TimePolice exist to [[TerminatorTwosome stop these guys]].

Sometimes this is combined with ThoseWackyNazis. For that, see StupidJetpackHitler. See also MakeWrongWhatOnceWentRight, the supertrope of time travel used for evil.



[[folder:Anime and Manga]]
* In ''Manga/MahouSenseiNegima'', Chao Linshen is a subversion: the major antagonist for a huge portion of the story, bringing advanced technology from the future to meet her goal, she seems like this, but with two key differences: a) she doesn't want to conquer the world, just break the ExtraStrengthMasquerade earlier than "scheduled" and thus prevent a tragedy, and b) she's arguably not even a WellIntentionedExtremist, because she specifically ''avoids'' going to moral extremes to avoid becoming one: She doesn't lie, and [[TechnicalPacifist doesn't kill]]: her army of robot minions are equipped with [[TheNudifier disarmament beams]].
* Cell from ''Manga/DragonBall'' is a variant of this. He comes from an alternate future (by killing his timeline's version of Trunks and stealing his time machine), though his initial goal isn't to take over; he wants to absorb Android 17 and 18 (who were deactivated in his timeline) to achieve his perfect form. Once he becomes perfect, however, he plans to terrorize the world, and then the universe.
* In ''Manga/SailorMoon'', the Black Moon Clan traveled from a 1000 years in the future to conquer the present. And try to capture the present version of the Silver Crystal, as no one knows where the future version is.

[[folder:Comic Books]]
* MarvelComics has Kang the Conqueror, Rama Tut, the Scarlet Centurion, and Immortus. The catch is that these are all actually the same guy: he's traveled through time so often, and created so many [[AlternateTimeline Alternate Timelines]], that there is now an entire LegionOfDoom called the Council of Kangs made up entirely of his own iterations. Immortus, it seems, is the original Kang and the oldest, who is now a BoxedCrook: forced to spend eternity undoing the ContinuitySnarl that is the Marvel universe thanks largely to him.
** The miniseries ''ComicBook/AvengersForever'' is little more than an attempt to tie together all those threads. One issue was spent entirely summing up Kang's convoluted history.
** The Scarlet Centurion also appears in Marvel's alternate-universe ''ComicBook/SquadronSupreme'' limited series, albeit without the ContinuitySnarl baggage.
* Also from Marvel comics, we have Zarrko the Tomorrow Man. He and Kang know each other and don't get along; they've had time wars occasionally.
* Doctor Doom also occasionally plays this role, thanks to his invention of the Time Platform.
** InTheBlood: Doom is a proud descendant of the pharaoh Rama-Tut. Look at the list of Kang's aliases.
* In Franchise/TheDCU, the most notable examples are Epoch, the self-proclaimed Lord of Time, who comes from the year 3786 to regularly have his butt handed to him by the {{JLA}}, Chronos the Time Thief, a present-day crook who acquires time travel technology for the same purpose, and the Time Trapper, who is from so far in the future that he is one of these to the Comicbook/{{Legion Of Super-Heroes}}, who live in the 30th century.
** Lesser known but equally badass are JSA antagonists Extant ) (a two-bit hero turned into a deranged incarnation of Chaos) and Per Degaton(a time-travelling Nazi).
* Two of Comicbook/TheFlash's most powerful villains are minor examples of this trope. Abra Kadabra, a mad terrorist from the 64th century, uses futuristic technology to pass himself off as an EvilSorcerer. Professor Zoom, meanwhile, is a criminal from the 25th century who uses future technology to become the Barry Allen Flash's EvilTwin and ArchEnemy.
* In the ''ComicBook/DCOneMillion'' story arc, ComicBook/VandalSavage, an [[{{Immortality}} immortal]], evil JuliusBeethovenDaVinci who has been alive since 50,000 B.C., manages to do this, when it is revealed that he is still alive in the 853rd century and has hatched a plot to send a deadly cybernetic virus backward in time to change the future.
* Also from Franchise/TheDCU, the Sheeda, a race from ''very'' far in Earth's future, thrives by plundering earlier civilizations. They succeeded in destroying one now-forgotten [[{{Expy}} predecessor of Camelot]] but failed to destroy the present thanks to the Comicbook/SevenSoldiers.
* The Future, one of the five heads of the Fraternity in Creator/MarkMillar's ''Comicbook/{{Wanted}}'', is a Conqueror From The Future clearly based on Kang and his crew. Only [[StupidJetpackHitler crossed with Nazis]].
* Max Bubba in ''Comicbook/StrontiumDog'', who travels back to the end of the eighth century and sets about wrecking the timeline in order to get revenge on [[FantasticRacism the future]]. It's unclear just how aware he is that he's wrecking the timeline.
* In the ''ComicBook/JudgeDredd'' / ''ComicBook/StrontiumDog'' crossover "Judgment Day", an OmnicidalManiac sorcerer with a thing for zombies who was being hunted by Alpha travels back to Dredd's time to destroy the Earth with his undead hordes and erase Alpha's timeline.
* The Disney comic [[http://coa.inducks.org/story.php?c=D+99119 "The World Begins And Ends In Duckburg"]] features a villain from the future who comes and turns off all electricity. (AnAesop follows about not relying on modern technology.)
* Futur10n from ''ComicBook/TheIncredibles'' comics.
* Also from the DCU, Xotar the Weapons Master, a criminal from the 120th century who fought the JusticeLeagueOfAmerica. His first attempt (the JLA's second ever appearance, in ''ComicBook/TheBraveAndTheBold'' #29) actually addressed the history problem: Xotar had found a fragmentary old historical document mentioning that he had travelled to 1960 to defeat the Justice League. The story ends with the document being written, revealing that with all the missing portions in place it is an account of his ''unsuccessful attempt'' to defeat the Justice League.
* Two separate future versions of {{ComicBook/Brainiac}} have pulled this, the more successful being the 64th century native Brainiac 13, who nearly conquered the entire 21st century universe in ''ComicBook/OurWorldsAtWar''.

* Many ''WesternAnimation/DannyPhantom'' fics, such as the ''FanFic/FacingTheFutureSeries'', like to portray Dark Danny as this in stories where he escapes from his SealedEvilInACan status.

* In ''Film/StarTrekFirstContact'', [[TheVirus the Borg]], realizing that they're having a lot of trouble assimilating TheFederation, travel back in time to prevent the Federation from being formed (and assimilate the Earth in its more vulnerable past). It initially succeeds, as a new timeline is created where the Earth is populated by Borg drones, but the Enterprise was protected from the changes due to being in the wake of the Borg ship's "temporal vortex". The Enterprise follows them into the past and sets history right.
* In the 2009 [[Film/StarTrek Star Trek]] film, after being sucked back in time, Nero decides to get "revenge" on Starfleet for not averting a [[NegativeSpaceWedgie oddly powerful supernova]] in time to save his home planet. Of course, Starfleet has no idea what he's talking about.
* In ''Film/StargateContinuum'', Ba'al uses a time travel device to reverse the fallen fortunes of the [[TheEmpire Goa'uld empire]] and take the galactic throne for himself. He prevents the SGC from ever coming into existence so Earth will be defenseless when the Goa'uld fleet finally comes and then eliminates all the rival factions one by one before invading Earth.
* In ''Film/GodzillaVsKingGhidorah'', the villains first travel back to the present and trick the heroes into helping them erase Godzilla from existence, then summon King Ghidorah and have him ravage Japan, thus allowing them to take over. Fortunately, they didn't succeed in erasing Godzilla permanently.

* In ''Literature/SoonIWillBeInvincible'', the minor villain Polgar, mentioned in passing, is a direct ShoutOut to Kang the Conqueror, right down to the hero Blackwolf's erroneous belief that he is actually a future version of VillainProtagonist Dr. Impossible (a reference to the previously held belief that Kang was a future version of Doctor Doom).
* Inverted in Creator/RobertAHeinlein's "Literature/ByHisBootstraps". The main character is brought from the present to the far future and becomes the world's "diktor" (dictator). Apparently the people from the future have become too soft after encountering [[EldritchAbomination Eldritch abominations]].
* An inversion also occurs in Creator/PoulAnderson's short story ''Flight to Forever'' where it's mentioned that the tyrannical Earth Directorate of the 23rd century attempted to take over Earth in the 24th century after being overthrown by a rebellion of Martian colonists in their own time. They were defeated at great cost, which made time travelers permanently unpopular.
* Happens after a fashion in Creator/HarryTurtledove's ''Literature/TheGunsOfTheSouth'': the time-traveling Afrikaners initially just try to change history, but turn their advanced weapons against the [[UsefulNotes/TheAmericanCivilWar Confederate States]] when the latter, lead by President Robert E. Lee, starts moving to treat blacks fairly rather than keeping them as slaves and treating them as sub-humans, the way the AWB wants them.
* Creator/SMStirling has a deep affection for this trope and uses it often in his works:
** In ''Drakon'', the last novel of ''Literature/TheDraka'', an evil Draka scientist from the 25th century of their timeline is tossed through a wormhole to the 1990s of our timeline and tries to take it over.
** In ''Literature/IslandInTheSeaOfTime'' and its sequels, the entire island of Nantucket is tossed back in time to the Bronze Age. Most of the residents try to keep themselves to themselves, but the villainous [[MeaningfulName William Walker]] gathers a group of followers and commences to conquer Europe.
** In ''{{Literature/Conquistador}}'', a WWII vet and his buddies find a portal to an alternate universe version of California that Europeans never discovered. They use their access to modern weaponry and resources to create their own pirate kingdom and make themselves rich.
* "Mozart in Mirrorshades" by Bruce Sterling and Lewis Shiner is set in an alternate eighteenth century which is being exploited for resources by corporate overlords from the future.

[[folder:Live-Action TV]]
* ''Series/DoctorWho'' is full of these. The two most prominent examples are the Master, who is the EvilCounterpart to the Doctor's time traveling alien, and the Daleks, who are {{Cyborg}} aliens. Both want to conquer the universe...in all time periods, past, present, and future.
* In ''Series/StarTrekEnterprise'', the crew of the eponymous ship, who operate in the 22nd century, become embroiled in a "Temporal Cold War" between an entire race of Conquerors From The Future called the Sphere-Builders (who come from the 26th century) and a variety of forces opposed to their plans to change history (mostly from the 29th century).
* In the ''Series/StarTrekTheNextGeneration'' episode "Time's Arrow", MarkTwain believes Data is this trope.
* The villain Tempus from a multi-part episode of ''Series/LoisAndClark''
* The villains from year 2500 in ''Series/TheGirlFromTomorrow'' ponder this, but decide conquering each nation individually would take too much time compared to taking over their OneWorldOrder led by a MegaCorp.
* Jeffrey Sinclair in ''Series/BabylonFive'' is an heroic inversion, having come from the future to be a defender against conquerors.
* ''Series/{{Fringe}}'': as revealed in the BadFuture shown in "Letters of Transit," this is the mission of [[spoiler:the Observers]].
* Ransik, the BigBad from ''Series/PowerRangersTimeForce'' travelled back from the 30th century to 2001 for this purpose. In fact, [[EstablishingCharacterMoment his first dialogue]] in the series is "If I cannot rule the present, than I shall rule the past!".

[[folder:Tabletop Games]]
* This is the goal of the Architects of the Flesh from the 2056 juncture in ''TabletopGame/FengShui''. Because of the way that the setting works, the Buro are not doing this just to satisfy a megalomaniacal urge, but because changes in previous junctures on the part of their enemies can lead to their downfall in a critical shift, just like what happened to the Four Monarchs.
* Empress Istvatha Víhan in ''TabletopGame/{{Champions}}'' is from another dimension but has time travel abilities which she uses to their fullest to let her conquer other dimensions.
* According to the ''TabletopGame/DungeonsAndDragons'' book "Lords of Madness," the mindflayer empire was crumbling at about the same time that the universe was ending. So in one last attempt to save themselves, they traveled billions of years into the past, where the games we play take place. And since they conquered the universe once, they'll probably be able to do it again. They even use their time to study "lesser" civilizations, in an effort to improve their own.
** In addition, it is implied that mind flayers are an evolved form of ''humanity''.
** The invasion hit a bit of a snag when most of their advanced technology and magic was lost. After initial successes, what gains they did make were shattered by the Gith slave rebellion, and they were reduced to Vestigial Evil Empire #7439.

[[folder:Video Games]]
* VideoGame/ChronoCross: After the events of ''Videogame/ChronoTrigger'', [[spoiler: Dalton, who's already pretty ticked off after Magus stole the queen's favor, and after Crono thwarted his takeover of Surviving Village in Antiquity, lands in the Dimensional Vortex, and he somehow gets into the present, and raises an army in Porre and conquers the entire kingdom of Guardia. Which, by the way, lasted for about 1000 years and is inhabited by player characters Crono, Marle, and Lucca (and the former two are possibly killed, but this is debated)]]
* This is the plan of Spectre in the first ''VideoGame/ApeEscape'', travel back to various points in history (from the dinosaurs onwards) to try and make monkeys (or chimps, or whatever primate they were supposed to be) the dominant species, not humans.
* ''VideoGame/MetalSlug XX'' has this as its main plot, with a time portal depositing high-tech soldiers and weaponry to aid Morden.
* Quint, an evil version of ''VideoGame/MegaManClassic'' from the time just before VideoGame/MegaManX's awakening, or possibly an alternate timeline, travels back in time to menace his past self in the second and fifth GameBoy games and the UsefulNotes/WonderSwan game ''Mega Man & Bass: Challenger from The Future''.
* ''VideoGame/MOTHER3'': [[spoiler: Inverted by Porky who traveled from the past and conquered a [[AfterTheEnd post-apocalyptic]] future with a primitive rustic society.]]

* The time colonists from ''Webcomic/DresdenCodak'', who are sort of a LawyerFriendlyCameo of the ''Enterprise'' crew from ''Series/StarTrekTheNextGeneration''.

[[folder:Western Animation]]
* In the ''WesternAnimation/MegaMan'' cartoon, Vile and Spark Mandrill came to the past to steal some Dr. Light's new Lightanium energy rods, so they could sell them in the future. Unfortunately for them, VideoGame/MegaManX went back to the past to stop them.
* In the old ''{{WesternAnimation/Superfriends}}'' cartoon, the LegionOfDoom subvert this by attempting to conquer the future... Conqueror(s) from the Past? Bwah-ha-ha!!!
** The episode is actually called "Conquerors of the Future"
* The ''WesternAnimation/LegionOfSuperHeroes'' cartoon: in a reversal of the basic setup of "31st-century heroes summon 21st-century Superman to help", the second season has a 41st-century Superman clone summon the 31st-century heroes to help against the warlord Imperiex. Both the Superman clone and Imperiex remain in the 31st century (their past) for the rest of the season. (Note that this only applies to the cartoon Imperiex, not the comic character he was based on.)
* In the ''WesternAnimation/JusticeLeague'' three-parter "The Savage Time", Vandal Savage sends a laptop computer and a complete history of World War II to his 1930s-era self, so that he may use the advanced technology and foreknowledge of history to take over the Nazi war machine, defeat the Allies, and conquer the world.
* Parodied in ''WesternAnimation/DaveTheBarbarian'', where a nerd that works in a zipper factory gains access to a time-travelling zipper and then makes himself ruler of Udragoth through supplying the citizenry with video games.
* Parodied in ''WesternAnimation/TheSimpsons'' when Nelson appears as a futuristic gun-toting cyborg in the kids' Cowboys and Indians game.
-->Bart: That's no fair, Nelson. They didn't have the Kill-matic 3000 back then.
-->Nelson: Hey! Records from that era are spotty at best.
* {{Subverted}} in ''WesternAnimation/SabrinaTheAnimatedSeries:'' Sabrina goes back to ancient Rome with [[TheLibby Gem]] and the two wind up in front of Creator/GaiusJuliusCaesar. Gem tries to intimidate him with a flashlight, but he's [[DeadpanSnarker less than impressed]].
-->"''Ooh,'' a mini-lantern. ''Spooky.''"
* Inverted in an episode of ''WesternAnimation/BatmanTheBraveAndTheBold'' where Gorilla Grodd travels to the ''future'' [[AfterTheEnd following the end of the world]] which is inhabited with intelligent primates who he takes command of using LostTechnology from his own time.
* Kang the Conqueror from ''WesternAnimation/TheAvengersEarthsMightiestHeroes'' came to the past to take over the world. However, he only did this to save his timeline from being destroyed.