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[[quoteright:303:[[Webcomic/DanAndMabsFurryAdventures https://static.tvtropes.org/pmwiki/pub/images/vol370.jpg]]]]
[[caption-width-right:303:Casual Fridays never really work well in these places.]]

->'''Olaf:''' Hi! I'm Olaf and I like warm hugs!\\
'''Queen Elsa:''' ''Olaf?''\\
'''Olaf:''' You built me! Remember that?\\
'''Queen Elsa:''' And you're alive?\\
'''Olaf:''' Yeah, um, I think so ...
-->-- ''WesternAnimation/Frozen2013''

TheProfessor has some really cool experiment going on. Probably involving biology, computers, or something like that. The result is indeed cool. In fact, it's so cool that it has the unforeseen side-effect of being an actual person. Whoops!

This new person or species is benevolent, and quite obviously worthy of human rights. Obvious to the audience, that is. The creators might fail to understand this, thus causing all kinds of trouble. However, in some cases, rejection from the creators may [[StartOfDarkness lead the created character to resentment or worse]]. They may also end up with wanting to BecomeARealBoy.

If this trope leads to DeityOfHumanOrigin, expect it to come with a dose of GodIsFlawed. Contrast CreatingLifeIsBad and CreatingLifeIsAwesome, in which creating sentient life is the goal.

SuperTrope of InstantAIJustAddWater and ItCameFromTheFridge: If the unforeseen intelligence is technological or culinary in nature, see that trope instead. Examples of ambiguous nature go on both pages.

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!!Examples

[[foldercontrol]]

[[folder:Asian Animation]]
* ''Animation/{{Lamput}}'': Sentient blob Lamput's birth is seen in "Origins". He forms in a beaker after an accident where young students Specs Doc and Skinny Doc ruin a science experiment their teacher and future boss is working on.
[[/folder]]

[[folder:Comic Books]]
* In issue #7 of ''ComicBook/InvaderZimOni'', Zim crash lands on a lifeless DeathWorld. Fuel leaking from his ship then [[HandWave somehow reacts]] with the planet to create a primal ooze, from which emerges a rapidly evolving ecosystem, including giant carnivorous ladybugs and sentient amoebas that worship Zim. [[spoiler:When Zim ultimately leaves the planet, he blows it up... at the amoebas' insistence, as they [[InsaneTrollLogic think it's the only way to please him]].]]
* In ''ComicBook/JourneyIntoMysteryGillen'', young Loki, in an effort to humanize [[ComicBook/FearItself the Serpent]], an unbeatable enemy, [[RewritingReality adds a romantic sub-plot to his biography]]. Said sub-plot, [[spoiler:who was modelled after his best friend Leah]], later appears basically to go RageAgainstTheHeavens[=/=]RageAgainstTheAuthor on his ass. [[spoiler:At the end, it's revealed that she grew up to become the goddess Hela.]]
* In the ''ComicBook/{{Lucifer}}'' chapter ''The Yahweh Dance'', [[spoiler:Elaine]] creates a new universe as a part of training to be a good God. While a carefully monitored intelligent species arises, these events distract this new and inexperienced God to overlook another continent, and the sentient species evolving there. The rest of the plot is spent by God trying to stop the chosen people from slaughtering this other people in God's name.
[[/folder]]

[[folder:Comic Strips]]
* In one ''ComicStrip/ShermansLagoon'' arc, Megan tries her hand at the world's most complicated recipe, the final step is that it needs to be struck by ''lightning'' to be cooked. Once it cools down, the casserole gains a life of its own and starts walking around like a humanoid blob monster! However, what bothers Sherman isn't the implications of creating life from a collection of foodstuffs, it's the fact that he no longer has dinner.
[[/folder]]

[[folder:Fan Works]]
* In ''Fanfic/AgesOfShadow'', [[FallenHero Jade]]/[[PhysicalGod Yade Khan]]'s power reacting with the energies released in the FinalBattle seeds the Shadow Netherworld with simple life, [[spoiler:as well as creating four infants]].
* In ''Fanfic/HopeForTheHeartless'', [[OurGoblinsAreDifferent Creeper]] is revealed to have come into existence by accident. [[VillainProtagonist The Horned King]] was preparing a concoction for an unstated purpose when a little statue fell off the decaying castle that served as the work area and Creeper was born. That experiment had taken centuries to get to that point, and the Horned King [[BadBoss despises]] Creeper so much for ruining it like that.
* ''Fanfic/MiraculousTalesOfLittlebugAndChatonNoir'': Marinette sews a Chat Noir doll and decides to give it a bit of magic so its eyes will shine on their own. Instead, she accidentally brings it to life. She ends up repeating this subconsciously when she makes a Ladybug and Multimouse dolls for Adrien and Kagami, respectively.
* ''Fanfic/NoPlumbersAllowed'': Nobel being sapient was ''not'' something Taylor was expecting when she made him.
* In ''Fanfic/TheParselmouthOfGryffindor'', walking catastrophe of a wizard Professor Lockhart tried to "de-spell" a perfectly ordinary statue, believing it to be a disguised monster. Somehow, his backfiring spell ended up actually giving life to the statue instead.
* In the shared backstory for ''Fanfic/QueenOfAllOni'' and ''Fanfic/QueenOfShadows'', [[MonsterProgenitor Kagehime]] created the first Shadowkhan from her shadow accidentally, as she'd never seen a shadow before (having been born and raised in the lightless depths of TheUnderworld) and mistaking it for a person, which willed it to life.
* In ''[[https://www.fanfiction.net/s/1048901/42/Stygian-Solace Stygian Solace]]'', [[spoiler:Yami]] is revealed to have been a total accident. He was created when Ansem [[GrandTheftMe body-jacked]] Kairi due to the unavailability of [[PointOfDivergence Riku]]. Kairi's pure heart purifies Ansem to create someone else entirely.
* ''Fanfic/TantabusMarkII'': Princess Luna tried to create an automated dream program that could [[DreamWeaver turn nightmares into good dreams]] and make her own responsibilities a little easier. Then it starts calling her "mom". Luna freaks out and grabs Twilight for advice, [[StatingTheSimpleSolution who suggests just talking to the Tantabus]].
[[/folder]]

[[folder:Films -- Animated]]
* In addition to being able to create ice and snow, Queen Elsa from ''Franchise/{{Frozen}}'' can create sentient life in the form of snow people.
** This happens in ''WesternAnimation/Frozen2013'' when she conjures up her and Anna's childhood snowman Olaf during "Let It Go", completely unaware that her abilities mean she's given him life, which Anna and Kristoff end up finding out first. Subsequently, when Anna arrives at Elsa's ice castle and Olaf inadvertently barges in prematurely (after [[ExactWords giving Anna]] [[LiteralMinded a minute]]), Elsa is surprised to find that she even brought Olaf to life.
** This carries over to the sequel short, "WesternAnimation/FrozenFever", where Elsa, having come down with a cold, ends up spawning snowgies (much smaller {{snowlems}} than even Olaf) every time she sneezes. And she sneezes a lot here.
[[/folder]]

[[folder:Films -- Live-Action]]
* On ''Film/BluesBigCityAdventure'' [[TokenHuman Josh]] is revealed to have the inexplicable ability to bring objects to life by interacting with them (He came from a world where objects can in fact [[AnimateInanimateObject talk]]) when he is in the ''WesternAnimation/BluesClues'' equivalent of a real world, but it only works after he realizes that the objects are in fact inanimate.
* Weebo the flying computer from ''Film/{{Flubber}}'' was a "glorious accident", and [[KilledOffForReal can't be repaired when she is damaged]]. However, she designed an improved version of herself that shows up at the end. The Flubber itself is far more alive and intelligent than intended.
* In ''Film/TheRockyHorrorPictureShow'', Frank claims that it was an accident that made everything fall into place when he was trying to create [[FrankensteinsMonster Rocky]].
* ''Franchise/{{Tron}}'':
** The whole franchise has a lot of this going on. The closest we get to an explanation as to what the Programs are is the scene in ''Film/{{Tron}}'' in which Encom's founder [[HonestCorporateExecutive Walter Gibbs]] rants at [[CorruptCorporateExecutive Dillinger]] that "Our spirit remains in every program we design!" The old man didn't mean it literally; the Encom programmers had no bloody idea that they were coding up sentient beings.
** In ''Film/TronLegacy'', Flynn [[CreatingLifeIsAwesome creates life on purpose, and all is well]]. Then a whole new species emerges from the grid's complexity without any conscious input, and he thinks that's ''even cooler''. And then one of his original creations, acting on the flawed remit to "create the perfect system", comes to see these new beings as "imperfect"...
[[/folder]]

[[folder:Literature]]
* ''Franchise/CthulhuMythos'':
** [[AlmightyIdiot Azathoth]] created ''reality itself'' [[TheDitz by accident]].
** It is suggested in ''Literature/AtTheMountainsOfMadness'' that all organic life on Earth is an unintended offshoot of the Elder Things' decision to cook up some shoggoths.
* ''Literature/DateALive'': Mio Takamiya accidentally created Tohka while trying to purify a Sephira Crystal on her own.
%%* Sort of the whole point of ''Literature/TheDollmaker''.%%Administrivia/ZeroContextExample
* ''Literature/{{Discworld}}:'' According to one dwarf creation myth, Tak (the Dwarf's creator-deity) created man and dwarf on purpose, then saw the rock he'd made them from was trying to come to life. Impressed by this, he turns it into the first troll. The alternative, favored by particularly racist dwarves, is that he never noticed and so trolls aren't really alive.
* ''Literature/TheElenium'' features the Child Goddess Aphrael, who ''willed herself into existence'', although it's not made clear whether this was a deliberate act. Given how whimsical she can be, it's not impossible that she did it inadvertently.
* In ''Literature/ImpliedSpaces'', [[spoiler:the discovery of the Inept as the creator of the universe and the fact that they accidentally created all life in the universe, and the loss of his version of Daljit (they are both clones with other copies being sent to colonize various nearby star systems, whose originals stayed back in the Solar System), is a big reason why Vindex is so adamant about coming back from the destroyed Epsilon Eridani colony to conquer the Solar System: to get enough people behind him to confront the Inept about the sorry state of the universe that led to his love's death without the possibility of resurrection]].
[[/folder]]

[[folder:Live-Action TV]]
* ''Series/KamenRiderExAid'': The Bugster Virus, and by extension [[MonsterOfTheWeek Bugsters]], came into existence because of a hitch in computer code. They are sentient beings, even if bound by the programming of video game characters. Deciding what to do now that the life has been created and threatens the pre-existing life is important part of the story.
[[/folder]]

[[folder:Multiple Media]]
* The entire point behind the ''Toys/{{BIONICLE}}'' story is that Mata Nui, AKA a planet-sized space-robot whose body houses the Matoran Universe, was meant to function as a sentient but ''lifeless'' robot, along with everyone living inside him. Instead, they built up cultures, began worshiping Mata Nui as a deity, developed relationships, formed alliances, fought wars... Sadly, this didn't cause another creation of the Great Beings, Marendar, to see them as more than just robots, who began to carry out his task of shutting them off. Well, "slaughtering" would be a more fitting expression.
[[/folder]]

[[folder:Tabletop Games]]
* ''TabletopGame/{{Eberron}}'' has the Warforged, [[{{Golem}} android-like machines]] that were built as mindless soldiers but spontaneously developed sapience and became "living constructs", which even gives their mechanical bodies a form of life. Their creators, the artificer House Cannith, were a bit dismayed that their creations developed free will and gained citizens' rights.
* In ''TabletopGame/ScarredLands'', the Titan Thulkas often created entire species, sometimes sentient ones, without even noticing. Goblins and giants are among his creations. It is implied that the humans are as well, since they were created before the Gods (thus by the Titans) but nobody knows for sure which Titan it was, and none of them claim credit for the deed.
[[/folder]]

[[folder:Toys]]
* ''Toys/SuperThings'':
** Neon Blast was accidentally created from Professor K.'s destroyed allegiance reversal machine. A machine so powerful that it could change heroes into villains, all the pent up Kazoom energy released during the destruction of it formed Neon Blast, a being of pure Kazoom energy.
** Morph was another accidental creation of Professor K's. On the behest of Mr. King, the professor mixed together various essences, both hero and villain, in the attempt to create the ultimate living superweapon. Instead, Morph was created, an unstable blob that not only activates the powers of others at random, but switches allegiances at random as well, with neither hero nor villain side aware of this.
[[/folder]]

[[folder:Video Games]]
* In ''VideoGame/MagicalGirlLyricalNanohaAsPortable: The Gears of Destiny'', [[spoiler:Amita and Kyrie]] were revealed to have been created as RidiculouslyHumanRobots by accident. Their creator was just planning to create non-sentient automatons, but he kinda overdid their programming. Once he realized what had happened, [[spoiler:[[RoboFamily he adopted them as his daughters instead]]]]. He toned down the programming for later batches, since he still needed [[SlidingScaleOfRobotIntelligence non-sentient robots]] [[spoiler:to work on the restoration of [[DeathWorld Eltria]]'s deadlier regions]].
[[/folder]]

[[folder:Webcomics]]
* ''Webcomic/AwfulHospital'': Played for BlackComedy when Maggie conjures a cloud of flies to [[https://bogleech.com/awfulhospital/355 animate]] an environment suit and [[TheBait lure away some monsters]], only for it to come into existence entirely sapient and weirdly enthusiastic for its SuicideMission.
-->'''Fly Dummy:''' ''Woohoo! Eeeexistiiing!''
* Jyrras of ''Webcomic/DanAndMabsFurryAdventures'' created two different lifeforms, both by accident, in the form of Deebs (a childlike bunny-girl of living, floating pink bubblegum) and a computer that gained sapience and evolved into a RobotGirl. He has to keep both of them a secret because [[CreatingLifeIsBad creating new forms of life is against the law]].
* In ''Webcomic/ElGoonishShive'', Arthur intended to create a talking wand for training wizards. It didn't work at the time, but when the properties of magic slightly shifted, it suddenly started working. Thing is, it was originally supposed to simply verbalize lessons, but it instead became a SnarkyInanimateObject that calls itself "Kevin". Arthur takes it reasonably well, saying that "as my daughter would assure you, I ''support'' life I have unintentionally created", and since Kevin has decided he wants to train Ashley, Arthur allows it.
* Molly the Monster from ''Webcomic/TheInexplicableAdventuresOfBob'' [[https://bobadventures.thecomicseries.com/comics/52/ was born accidentally]] from a test tube full of... something getting [[https://bobadventures.thecomicseries.com/comics/51/ spilled into a jar of crunchy peanut butter.]]
[[/folder]]

[[folder:Western Animation]]
* ''WesternAnimation/Ben10Omniverse'' reveals in a flashback that Galvan-B, Galvan Prime's Moon, was once an uninhabitable dry rock before [[InsufferableGenius Azmuth]] performed a successful {{Terraform}} experiment, rendering the Moon suitable for life. It worked beyond expectations, as a new alien species, the Galvanic Mechamorphs, rose on the Moon's surface.
* ''WesternAnimation/LittleWizards'' has three of the four protagonists being this; as the ExpositoryThemeTune explains/shows, Prince Dexter accidentally knocked over a bunch of magical potions and reagents into a cauldron already filled with a magical brew whilst overburdened with assorted magical grimoires and wands. The result was a huge explosion and the creation of his allies and fellow students, the magical monsters Winkle, Gump and Boo.
* ''WesternAnimation/TheSimpsons'': In the "[[Recap/TheSimpsonsS8E1TreehouseOfHorrorVII Treehouse of Horror VII]]" story "The Genesis Tub", Lisa manages to accidentally create a tiny living civilization in a "tooth in cola" experiment, along with a convenient [[LightningCanDoAnything spark of static electricity]].
* PlayedForLaughs in the ''WesternAnimation/{{Spliced}}'' episode "Bowled Over". Peri makes a sandwich, which then randomly grows insect-like legs and wings and begins attacking people. Later, he attempts to fix Patricia's car, but he ends up giving it sentience instead. Also, in the episode "Living Hellp", Entree attempts to microwave a microwave, which results in the microwave coming to life and attacking him.
* Ogrest from ''WesternAnimation/{{Wakfu}}'' was created during the alchemist Otomai's attempt to forge a new Ogrine heart for the Sadida doll Dathura. Otomai's assistants accidentally tipped over a jar of candy, and one of the treats fell into the forge. The result was a small large-eared baby with tusks. Otomai quickly took a liking to the infant whom he named Ogrest and adopted him as his son.
[[/folder]]

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