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->''"What have I become? \\
My sweetest friend \\
Everyone I know goes away \\
In the end."''
-->-- '''Music/NineInchNails''', ''"Hurt"''

This is the desperate cry of those who have [[TomatoInTheMirror looked in the mirror]] and see [[BrokenMasquerade a broken mask]]. A case of [[HeroicBSOD post human panic]] at discovering they always were, or [[ViralTransformation have been transformed]] into a creature that is [[WasOnceAMan less]]... and ''more'', than human.

The inhuman bombshell can be of any nature, a hero can be [[EmergencyTransformation transformed]] or [[CameBackWrong resurrected]] against their will via mystical, cybernetic, or genetic means, or discover [[TomatoInTheMirror they've always been a monster]]... or rather: [[LossOfIdentity were never human.]]

Likely candidates for "What Have I Become" are the VampireRefugee, a genetically altered HalfHumanHybrid, and [[ArtificialLimbs Cyborgs]], though [[BeautyToBeast freakish]] {{Frankensteins Monster}}s are also popular. This can be especially horrifying if the transformation also affects the character's mind, giving them [[BeastMan animal instincts]], [[TheStoic removing their emotions]], or giving them a [[HorrorHunger thirst for blood]]. For extra pathos, the transformation will usually be into [[KarmicTransformation a creature that the character hates]], usually because one killed a loved one of theirs, their friends, and/or LoveInterest. Now everyone can {{Wangst}} ''together!''

If the above seems a bit glib it's because the revelation will cause a viewer's reaction to oscillate between [[BlessedWithSuck "That's harsh"]] and [[CursedWithAwesome "So what?"]], since some settings [[SlidingScaleOfVampireFriendliness are very helpful]] in providing avenues for the moral FriendlyNeighborhoodVampires to thrive, while [[WorldHalfEmpty others are genuinely cruel]] to those so changed. That said, change is what you make of it, and most protagonists find life as a non-human... ''whatever'' doesn't have to be that bad or morally debased... unless you're already evil.

If they're GenreSavvy, they know they've gone down a notch in the SortingAlgorithmOfMortality thanks to WhatMeasureIsANonHuman. Expect them to [[HouseOfBrokenMirrors break mirrors]] in frustration.

Not related to MyGodWhatHaveIDone, although the two tropes may overlap sometimes for the metaphorical value. Opposite to TranshumanTreachery. Usually precedes the TrialBalloonQuestion. Often followed by IAmAMonster. [[StagesOfMonsterGrief Well-adjusted victims]] may decide that IAmWhatIAm which, assuming that they're permanently transformed, is probably the best result. Occasionally happens after being a SheepInWolfsClothing. Their friends may disagree with them, telling them to drop the FreakinessShame.



[[folder: Anime and Manga]]
* ''Anime/BloodPlus'' has Saya, a FriendlyNeighborhoodVampire by virtue of being raised among humans and "fed" blood intravenously. By season three, her rock solid relationship with her family is being consistently torpedoed by both friends and foes because she "isn't human" or "[[OurVampiresAreDifferent chiroptera]] and humans can not live together". When, for all intents and purposes, she, Riku and Kai are a happy family unit. Then again, outside pressure has been the end of a good many relationships.
** By season three, [[spoiler: Riku]] is turned into a Chevalier in extenuating circumstances by Saya. Other than the tragedy that he [[spoiler: can't age into adulthood]], everyone treats him like a ticking timebomb, and Saya thinks she was unjustified in saving him.
* Vegeta from ''Anime/DragonBallZ'' combines this with WhatHaveIDone after he thinks [[spoiler:Majin Buu killed Gohan]]. Though it's mostly because it's Vegeta's fault for allowing Babidi to turn him into Majin Vegeta so he could fight Goku, which lead to Buu being unsealed.
* ''Manga/{{Embalming}}: The Another Tale of Frankenstein'', by the guy who did ''Manga/RurouniKenshin'' and ''Manga/BusouRenkin''. Four of the major characters in the series at large are {{Frankensteins Monster}}s. Two don't remember their human lives, and one of them doesn't even remember his original identity, but neither of them seem to care. Two do remember, but one was already unhinged before gaining freakish strength and revels in his new body. The fourth guy is the only one with What Have I Become, and is determined to kill all Frankensteins -- yet other than that, he might be the ''nicest'' of the four.
* [[spoiler:Greed]] from ''Manga/FullmetalAlchemist'' has a reaction like this after he uses [[spoiler: Bido's]] relaxed guard as an opening to kill him, as soon as he dies, [[spoiler:Greed]] begins to have mental flashes back to his first life and his comrades and begins trembling uncontrollably. Admittedly, it's a little more like a WhatHaveIDone moment.
** Ling, whose body was changed into the homunculus Greed for Greed 2 is still conscious and contributes to this process by shouting at him inside his head about right and wrong. He has a weird mind and does not feel any guilt for anything Greed does with his body, or apparently even a twinge of BodyHorror.
* [[spoiler:Hakuoro]] from ''VideoGame/{{Utawarerumono}}'' goes through this [[spoiler:upon learning that he is some sort of God-like beast and not a human]]
* It's played down in the anime version of ''VisualNovel/UminekoWhenTheyCry'', but Ange[[spoiler:-Beatrice]] did have a version of this after Lambda let her know that [[spoiler:she wasn't real]]. It's complicated. [[RealityWarper Bern]] met Ange and made her a deal that if she would come with Bern, she could try to save her brother from [[KillEmAll Rokkenjima]]. What Bern did then was, according to Lambda, [[spoiler:split Ange in two - a real Ange in the year 1998 and a false one that was exactly like Ange in every way, except that she is Bern's piece, and her existence was tied to the gameboard]]. And then, thanks to TimeTravel confusion, there's also the one in 1986 who is still six at the time. The point is that [[spoiler:the Ange who is helping Battler exists only as long as Battler is playing the game - she will never get her brother back even though she is the one taking the most direct actions to save him]]. So [[BlessedWithSuck yeah]].
* ''VisualNovel/HigurashiWhenTheyCry'' has an unspoken version of this trope, in the form of a 'necessary' PyrrhicVictory for Rika: yes, her loved ones would have all died for real if she just gave up, but by the time she finds a way to save them that is sub par but acceptable for a little girl, [[spoiler:the victory is so bitter that even though she won, she can't help but witness all the suffering that still goes on. To keep trying to find a way to make everything perfect, she has to resort to murder herself. OF HER MOTHER]]. No matter how happy she is from defying fate, she can no longer experience that happiness as an innocent child. The anime is MUCH more merciful with a perfect ending after all the hard work she did, but the stinger reveals that in one alternate timeline Rika [[spoiler: convinced the BigBad as a child to make a suicidal choice, not realizing what she had just chosen. It's unknown whether the final scene is her being happy that her parents are still alive or her being obliviously a ghost]], but convincing a little girl to be suicidal is NOT a sane act. And then Rika smiles regardless.
* Negi of ''Manga/MahouSenseiNegima'' has a relatively minor one after his BlackMagic-fueled SuperpoweredEvilSide came within inches of intentionally killing an innocent bystander, and one of his students, at that. His student helps snap him out of it with "But you didn't, right?"
* Despite people frequently changing into monsters called "Awakened Beings" in ''Manga/{{Claymore}}'', this moment happens only once with the character Ophelia. While originally having a lust for slaying said demons (Because one killed her family), Ophelia becomes obviously distraught when she discovers that she has become what she hates. She then surprisingly composes herself and pulls a RedemptionEqualsDeath for Clare rather than give into her growing monstrous desires.
** Dae, a top researcher in demons and Claymores, claims that this trope is the source of all Claymores' powers: [[spoiler:Somehow, the psychological contradiction that the women hate demonkind to the point of having a subconscious determination to murder possessed humans, yet are in fact humans possessed with an even more powerful form of demon genetics themselves, causes their fractured psyches and augmented bodies to synchronize in a way that even the original "demons" (Dragons and Dragonborns) cannot comprehend]]. Unfortunately, Dae is then bisected by the Overlord Priscilla mid-sentence. Even worse, Dae has no sense of preservation for anything but curiousity, so after he helped destroy the research facility, he then helps Priscilla by theorizing to her that [[spoiler:she realized what she was and put a mental block on herself out of a subconscious desire to commit suicide before she killed too many people - little girls, who are the greatest threat to her by becoming Claymores hell-bent on killing her, are now psychosocially invisible to her.]]
* ''Anime/PuellaMagiMadokaMagica'': This is the driving force behind [[spoiler:Sayaka's fall]].
** And in the movie, [[spoiler:Homura]] discovers what she really is: [[spoiler:the most merciful [[TheDevil Devil]] ever. Except to Kyubey, but seriously, the guy was REALLY asking for it.]]
* Momonga of ''LightNovel/{{Overlord}}'' has a fairly low-key version of this as he adapts to his new existence as a lich. Discovering he is missing emotions, a visceral reaction to human deaths, and a belief in humanity's inferiority all take him by surprise and make him wonder how much his mind has been altered.

[[folder: Comic Books]]
* Ben Grimm in the ''ComicBook/UltimateFantasticFour'' actually attempted suicide after his transformation, but his rock hard skin made it impossible. To date, ''all'' versions of The Thing have this to some degree... at best, they learn to live with it. The point even has a back and forth, since ReedRichardsIsUseless will mean either Reed is deeply ashamed he can't find a cure, or that he hasn't devoted enough effort to do it. He is occasionally depicted as having mental blocks about being restored as well... that Reed does not see fit to reveal to him.
** He didn't take it much better in the original comics, either. In fact, for the first few years, his transformation hadn't quite "set in", and he would randomly turn back into normal Ben Grimm for a few minutes at a time before changing back. This only added to his despair. Oh, and all his old friends abandoned him after he became the Thing.
* Notably subverted in the origin story of Cassidy from ''ComicBook/{{Preacher}}'': at first, he has no idea what he's become (a vampire), but once he's figured out the basic limitations and powers, decides it's actually ''really cool''. When a friend later lends him a copy of ''{{Literature/Dracula}}'', he realizes what he actually is... and figures it's ''even cooler''. Also notable in that [[NotUsingTheZWord no one ever actually says "vampire"]] - neither in his origin story nor the main storyline - although it's extremely obvious that's what he is.
** It ''is'' played straight at first, though the only regret he seems to have is that he can't see his family again because of his change.
* In ''ComicBook/TeenTitans'' comics, Victor Stone hated his father for saving his life by turning him into ComicBook/{{Cyborg}} -- for many reasons, particularly because it destroyed his prospective athletic career. He'd really rather have died. He never truly got over that resentment and was suicidal for a long time, even after he joined the Titans, where his temperament made him a loose cannon and a poor team player.
** The ''WesternAnimation/TeenTitans'' cartoon glosses over this by not discussing it at all, but Cyborg's bitterness at his... condition is occasionally hinted at, particularly in an episode where he infiltrates the HIVE Academy by posing as a human student, and begins to form friendships and a budding romance.
--->'''Jinx''': You could have been one of us.
--->'''Cyborg''': I could have been a lot of things.
** Beast Boy, in both the cartoon and the comics, has very little angst over his own transformation early in his life from blonde-hared, blue eyed Garfield Logan to green all over Garfield Logan. He even still got to be an actor, like he always wanted, even if his situation prevented him from getting any, um, "good" or "respectable" roles. Then again, his transformation happened when he was ''much'' younger than most superheroes and in his mind he has "always" been that way. He's best known for the role of the alien crewmember in a TV show which ''within the comic'' was a cheap ''Franchise/StarTrek'' rip off.
* Cliff Steele of the ''ComicBook/DoomPatrol'' after his brain was transplanted into [[WeCanRebuildhim a robot body]] by Niles Caulder, turning him into Robotman. At first, he couldn't feel any sensation at all, which nearly drove him mad. He tried to kill himself, but his body was too strong. He completely freaked out when it turned out Caulder was the one ''responsible'' for the accident that necessitated his brain transplant in the first place.
** Every member of the Doom Patrol, really. Negative Man's body is so radioactive, it would kill anyone he came close to if he weren't covered with specially treated bandages, and his HourOfPower lasts for one minute... if he doesn't return to his body in time, he ''dies''. Elasti-Girl's acting career was ruined when she gained her powers, as she was blacklisted as a freak, etc.
** And yeah, Caulder's responsible for all of their BlessedWithSuck (not really Blessed in any sense really) conditions too. He apparently [[spoiler: created others like them who eventually became the Brotherhood of Evil in revenge]].
* Subverted in a 1990s ''Franchise/SpiderMan'' comic after Spidey is knocked out in a fight with the Sinister Six and wakes up in a SHIELD hospital with what seems like a metallic arm in place of his normal one. He's horrified at the thought that he's become a cyborg, until the doctor who's treating his injuries comes in and explains that the metal "arm" is in fact just a highly advanced cybernetic cast that's healing the fractures of his flesh and blood arm while also protecting it from further injury. The cast is eventually destroyed in another battle with the Six, but when it falls to pieces Spider-Man's real arm is as good as new.
* For a very, ''very'' negative version of this: ''ComicBook/MarvelZombies''. [[spoiler: In case you were curious, they've become zombies]].
* ''In Tales of the Black Freighter'', the in-comic comic in ''Comicbook/{{Watchmen}}'', a young mariner's vessel is wrecked by the Black Freighter (a literally hell-sent pirate ship) before it can return to his hometown and warn his wife and children. He ends up Marooned (also the name of that double-issue), and makes a raft out of his shipmate's gas-bloated corpses, which he had buried and then dug back up. The main character eventually gets to his hometown, only to find the Black Freighter had never come and terrorized his hometown, and that he had alienated himself from his family and friends in his (disturbing) efforts to save them from his own fabrication.
** It's worse than that. When he first arrives, [[spoiler:he's already convinced himself that the Freighter has already come and killed them all. When he sees a moneylender and the moneylender's wife, he assumes they collaborated with the pirates, so he kills them both. Its not until he's in his own house, trying to kill the "pirates" he finds there that he realizes what has happened. He faces this trope and swims out to ''join'' the Black Freighter as part of the damned crew. That's the reason the ship sailed to his hometown in the first place, to wait for ''him'' to join them]]
* Every Franchise/{{Batman}} fan knows the story of how [[AnIcePerson Mr. Freeze]] is keeping his wife Nora cryogenically frozen until he can find a cure for her. When he finally succeeded and thawed Nora out by dipping her in a Lazarus Pit, she came back as a raving [[PyroManiac fire-spewing]] psychopath with the ability to raise the dead. Calling herself "Lazara", Nora Fries blamed her husband for what she'd become, and fled for parts unknown, Mr. Freeze in pursuit.
* In the old ''ComicBook/TheLegendOfZelda'' comics, Link ends up taking the Triforce of Power and, with it, starts becoming corrupted by it. When Zelda finally confronts him over it, he tries to point out that he's finally gotten rid of Ganon with it. Instead, he's found out he never got rid of Ganon - he ''became'' Ganon. Link promptly freaks and tosses the Triforce of Power down a seemingly bottomless pit, the Triforce of Courage restoring him.
* ComicBook/{{Morbius}} says these exact words in a flashback in ''The Amazing ComicBook/SpiderMan'' 699.1 that shows how he was turned into a living vampire and [[spoiler:killed his best friend]] immediately after.
* ''ComicBook/TransformersMoreThanMeetsTheEye'': Amazingly, [[spoiler:MEGATRON]] of all beings says he felt this back during ComicBook/TheTransformersIDW, during a conversation he was having with Optimus about the war. Specifically, [[spoiler:his claims that he was willing to kill every Autobot alive just for the pleasure, and the realisation that he meant it. Given this version of Megatron started off as a freedom fighter, it shows him how far he'd strayed.]]
* At one point in the ''ComicBook/AstroCity'' stoy arc "The Dark Age," Royal Williams catches a glimpse of his reflection during his years-long pursuit of Lord Sovereign, which causes him to eventually realize that he and his brother were turning into the same type of cold-blooded [[AntiHero Anti-Heroes]] who had ignored them during their own tragic past.

* In ''[[http://www.fanfiction.net/s/6193196/7/Harry-Potter-the-Curse-s-Cure Harry Potter and the Curse's Cure]]'' Bellatrix Lestrange was forcibly woken from the madness caused by constant rape and degradation and the death of her unborn child, only to break into tears and collapse in Narcissa Malfoy's arms, sobbing "What have I become 'Cissa? What am I now?"
* The progressing division of Kali and [[spoiler: Kira]] in [[http://www.fanfiction.net/s/9644493/1/Zenith-Darkness-Reverie Zenith, Darkness, Reverie]] is classified as this by Kali. At some point, she accepts it [[spoiler: and Kira murders four hundred people.]]
* In ''[[FanFic/SovereignGFCOrigins Origins]]'', a ''MassEffect''[=/=]''StarWars''[[spoiler:[=/=]''[=Borderlands=]''[=/=]''[=Halo=]'']] MassiveMultiplayerCrossover, an ex-Cerberus Phantom discusses this trope with an Alliance soldier who happens upon herself and her friend. Partway through the process of being turned into a Phantom, she had second thoughts, but given that this is [[BadBoss Cerberus]] we're talking about it became an UnwillingRoboticization after that since once you're in, you don't leave. She gained DeathSeeker tendencies as a result.
* In ''Fanfic/HopeForTheHeartless'', months after the events of ''Disney/TheBlackCauldron'', Taran has [[FlashbackNightmare dreamed]] about the Horned King's [[KarmicDeath death]] nearly every night. Because of that, he has come to realize that upon being stopped, the lich had been robbed off of everything he had given ''any'' value to in his life. Taran can't help his feelings of [[SympathyForTheDevil guilt]] and fear of what sort of an end he would meet.
* ''Fanfic/TheVow'': While Shen's [[VillainousBSOD wallowing in a heartbroken state]] for [[spoiler:[[IWantMyBelovedToBeHappy sending away]] his newlywed wife]], he wonders what would his younger, less hateful self think about the man he'd become in thirty years.

[[folder:Films -- Animated]]
* ''WesternAnimation/TheSpongeBobMovieSpongeOutOfWater'':
** [=SpongeBob=] when he has his breakdown after [[spoiler:failing to save the Krabby Patty formula after going back in time]] and realizing he has descended into savagery like the others.
** At one point, [[spoiler:Past]] Spongebob says this word-for-word when he sees [[spoiler:Future Spongebob and Future Plankton becoming a team and stealing the formula from Past Plankton]].

[[folder:Films -- Live-Action]]
* Parodied in ''Film/FantasticFour2005''. Johnny attempts to incite this in Ben before he turns into a giant rock man. Afterwards, Ben does get rather close to suicide over being rejected by his fiancée. This leads to a [[SugarWiki/FunnyMoments Crowning Moment of Funny]] - as he mulls over his fate while sitting on a bridge, a would-be jumper comes up... and Ben talks him out of it with one sentence: "You think ''you'' got problems?"
* ''Film/JerryMaguire'': "What had I become? Just another shark in a suit?"
* What Have I Become is a theme that turns up now and then in ''Film/{{Darkman}}''. Not only is Darkman horribly mutilated, but the medical procedure that saved his life has the side effect of [[UnstoppableRage amplifying his emotions]].
* ''Film/{{Batman}}'': In Burton's 1989 film, the Trope is played with, when Jack first sees himself in the mirror - he moans and groans briefly, and then transforms into maniacal laughter.
* Implied in the [[Film/VForVendetta film version]] of ''ComicBook/VForVendetta'', where the titular V removes his mask and tosses it into a mirror, shattering the glass. Notable because after BecomingTheMask and turning his life into a RoaringRampageOfRevenge against TheGovernment and the people who wronged him, this is an expression of his personal frustration at the separation--physical (underneath it his entire body is CoveredWithScars from a massive fire) and symbolic--that very mask now places between him, the man and not the idea that he now embodies, and Evey who he has fallen in love with.
* In Creator/WoodyAllen's ''Film/AMidsummersNightSexComedy'', pacifist intellectual Leopold has a dream about becoming a Neanderthal, full of sex and violence. When he wakes up, he finds out his fiance has been cheating on him. He grabs a bow and arrow and goes after him. When he shoots someone - the wrong man, no less! - and has no regrets about it, only pondering, "What have I become?" Of course, he naturally goes back to [[HospitalHottie hot nurse]] Dulcy, telling her "Blood! I've drawn blood, and I ''relished'' it!", before ripping off her clothes to have wild sex with her (she later says he was fantastic).

[[folder: Literature]]
* Louis from ''Literature/InterviewWithTheVampire'' goes through this after Lestat turns him. {{Wangst}} City. He's is composed of this trope and distilled Wangst.
* Creator/{{Alastair Reynolds}} - ''Literature/RevelationSpace'''s [[spoiler: Captain John Brannigan, whose body was ravaged by an alien technological disease, fusing him into his ship, tells his closest friend, Volyova (an insane engineer) that he has become a monster, in Redemption Ark, after suffering a HeroicBSOD]]
* Derian from Creator/JaneLindskold's ''[[Literature/FirekeeperSaga Wolf Hunting]]''. After he [[spoiler:survives the plague]], he finds out that it changed him drastically. [[spoiler:He now looks like a horse furry. When he realizes it, he's so ashamed that he hides himself under the covers. The fact that he can now converse with the wise horses as easily as Firekeeper can with wolves is awesome, though.]]
* In the ''Invasion'' block novels of ''MagicTheGathering'', the leader of the Shivan dragons, Darigaaz, becomes slowly corrupted by the other Primeval dragons, until he completely joins them in their destructive rampage. Another character eventually snaps him out of it, leading to this moment.
* Michael doesn't take it well in the ''Literature/KnightAndRogueSeries'' when he [[spoiler:develops magic]], something no inteligent human is suposed to have. His initial reaction to the discovery is quickly cast aside horror-he's in a burning building after all-but once the discovery has time to sink in he spends a few moments contemplating death over living the rest of his life as some [[CursedWithAwesome horrid freak.]]
* [[BloodKnight Lionblaze]] from ''Literature/WarriorCats'' says this almost word for word in ''Eclipse'' after he [[spoiler:nearly kills Crowfeather]]. Who was also [[spoiler:his dad]].
* Phosis T'Kar's final moments during the Scouring of Prospero in [[Literature/HorusHeresy A Thousand Sons]]. He slaughters his way through the combined Vlka Fenryka, Custodes and Sisters of Silence force, finally reaching the legendary Constantin Valdor who calls him a monster. T'kar sees his reflection in Valdor's armor and realizes that his lineage's curse, the Flesh Change, has horribly mutated him. Just before Valdor's blade cleaves his chest, he closes his eyes, sheds a tear and replies "I know."
* In ''Literature/VenusPrime'', Linda Nagy was transformed against her will into Sparta, the intended "prophet" of the Free Spirit. Throughout the series, she questions whether or not she's still human.

[[folder: Live Action TV]]
* Cybermen in ''Series/DoctorWho''. Realising who they are and what they have become causes them to die of shock. Or explode.
* In the ''Series/StarTrekTheNextGeneration'' episode "Thine Own Self", Data (afflicted with [[AmnesiaDanger amnesia]] and believing himself to be one of the locals) reacts with shock when [[RoboticReveal an injury reveals circuitry under his skin]].
* The amnesia thing was done previously in the ''Series/TheSixMillionDollarMan'' episode "Stranger in Broken Fork", friendly locals and all. But with the cruel twist that Steve freaks out for (almost) nothing -- he thinks he's ''all'' robot when in fact he has just three (superpowered) prosthetic limbs and an eye.
* Poor, poor [[Series/{{Torchwood}} Owen Harper]]. [[spoiler: Suicide doesn't work if you're dead]].
* Four of the Final Five Cylons were revealed at the end of Season 3 of ''Series/BattlestarGalactica2003''. All were ardent resistance members dead set on killing every damn toaster there is. You can imagine how discovering they are what they hate has made them react, knowing that if they reveal themselves to their human friends they'll be lucky to be put in a cell and par for the course to be shoved out an airlock. [[spoiler:Even so, they still want to help humanity even though they are no longer human, prompting Tigh to say the page quote.]] [[spoiler:Well, maybe not [[TranshumanTreachery Tory]].]]
** One of the first and most heartbreaking instances in the series is Boomer, a Cylon saboteur with a SplitPersonality that [[spoiler: [[EnemyWithin actively tried to damage the Galactica]]. Leading up to this was a season long series of hints that lead her and chief Tyrol (ironically, he was [[SchrodingersGun also a Cylon]]) to suspect she was a Cylon. She was near suicide by the end of Season 1, and attempted it [[DrivenToSuicide by Baltar's "helpful" pep talk]]. She botched it, and after meeting a Basestar full of her [[FanService nude duplicates]], she [[MyGodWhatHaveIDone shot Adama]]. In season 2, she resurrects among her fellow Cylons and has a great deal of trouble adjusting, but manages to start a movement to reconcile both her people and humans. [[EnemyCivilWar It did not end well.]]]]
* On ''Series/{{Heroes}}'', both Dr. Mohinder Suresh and Peter Petrelli are going through this in Season 3. Mohinder [[spoiler:has [[ProfessorGuineaPig injected himself with an experimental and flawed superpowers formula]], which seems to be turning him into The Fly, while Peter has acquired not only Sylar's ability to understand [[strike: the plot]] how things work, but also Sylar's uncontrollable compulsion to cut open peoples heads and steal their brains.]]
** As of season 3 episode 24, Sylar's new power of [[spoiler:shapeshifting]] in combination with his [[spoiler:ability to pick up past information from objects he touches and emotions from people he touched]] has worsened his identity crisis by starting to [[WithGreatPowerComesGreatInsanity drive him insane]]. [[spoiler:He finds himself involuntarily and uncontrollably shapeshifting, first only in his sleep, later even while awake, triggered he touched the blood on the clothes of his dead mother and absorbed her DNA and memories. Now when alone he alternates between his own form and that of his mother, complete with [[GollumMadeMeDoIt Gollum-like]] external [[TalkingToThemself monologues/dialogues]] between the two personalities.]] To say Sylar's not happy about it is to put it mildly.
* ''[[Series/StargateSG1 SG-1]]''
** In one episode, the heroes realizing halfway through that they are robots.
** Daniel also has a moment like this after realizing what he's done at the end of ''Absolute Power''. This being [[spoiler: the Daniel in the reality where that never happened and was AllJustADream. The other one knew exactly what he'd become, he just didn't care.]]
* At the beginning of the second season of ''Series/BabylonFive'', Delenn has just finished transforming inside her chrysalis...and after she emerges, she has this reaction because she thinks the transformation has gone wrong. Thankfully, it turns out there's one final step to the process.
* In the aftermath of [[spoiler:the flooding of the underground city]] in ''Series/AgentsOfSHIELD''. Skye deals with this as [[spoiler:her telekinetic earthquake powers [[PowerIncontinence begin to manifest]]]]. This is not helped by the forced reveal to the others when Lady Sif and a Kree soldier show up. The reactions of the team are mixed, with Coulson, May, and Fitz being the most supportive.

[[folder: Music]]
* Music/BreakingBenjamin's song "Diary of Jane" has these lyrics:
-->Desperate, I will crawl
-->Waiting for so long
-->No love, there is no love
-->Die for anyone
-->What have I become
* Reign of Kindo's song "The Moments in Between" says it.
* "Hurt," the last song of the Music/NineInchNails album ''Music/TheDownwardSpiral'', also covered by Johnny Cash.
** Most of Nine Inch Nail's 2013 album, "Hesitation Marks", has lyrics revolving around this - around trying to escape it, accepting it, trying to get someone to tear it out...
* The Music/{{Evanescence}} song ''Bring Me to Life'' contains a bit of this.
-->''Save me from the nothing I've become''
* Averted by Music/{{Disturbed}} with the song "Monster". It's actually about "What I Will ''Not'' Become"
** However, if the song "Serpentine" is to be considered a continuation of this theme, that same narrator (lead singer David Draiman) is implied to have failed at this.
-->Damn what Iím becoming / One of them now...
* ''Africa'' by Music/{{Toto}}.
-->I seek to cure what's deep inside,
-->Frightened of this thing that I've become
* Music/{{Coldplay}}'s "viva La Vida" seems to be about a ruler who has become a tyrant:
-->It was the wicked and wild wind
-->Blew down the doors to let me in
-->Shattered windows and the sound of drums
-->People couldn't believe what I'd become

[[folder: Tabletop Games]]
* Seeing as how a central theme of their games is 'Personal Horror', Creator/WhiteWolf has made this moment standard with nearly every ''TabletopGame/TheWorldOfDarkness'' gameline except Hunter and Mage games (where you remain human), and ''TabletopGame/PrometheanTheCreated'' (where you don't start out human). Granted, even in those games, its still quite possible if the Storyteller spins it right.
** This is required in the ''TabletopGame/WerewolfTheForsaken'' gameline. One day, you're bitten by a werewolf and one gruesome (and painful) transformation sequence later you realize you always had werewolf blood in you, yearning to get out (the bite did nothing, it just helped your new mentor get your scent so he and his pack could track you down before the First Change and restrain you before you hurt someone during it). Now all those bouts of extreme rage and murderous intent throughout your life is starting to make sense.
** In ''TabletopGame/WerewolfTheApocalypse'' you can start in human or wolf form, but either way you start having bizarre rages and nightmares until one day a traumatic event (such as an attack by monsters or abusive parents) causes you to burst out in your hybrid form and rip somebody (sometimes someone innocent) to bloody bits. If your werewolf relatives find you, you find out that you weren't born human (or wolf) to begin with. If they don't find you, you'll just be confused and alone until you die. Only the Metis (born of two werewolf parents) know from birth more-or-less what they are.

[[folder:Video Games]]
* In the PlayableEpilogue of ''Videogame/RedDeadRedemption'', [[spoiler: Jack Marston would often say this if he shoots unarmed innocents, horses and/or loots their bodies (or skins the horse). Especially if they're women.]]
* Both [[spoiler: Kalas and Sagi]] from the ''VideoGame/BatenKaitos'' games have a moment like this.
* In the original ''VideoGame/GodOfWar'' Kratos says 'By the gods, what have I become?'
** This line is very notable, because it's probably the ''only'' time that he'd ever expressed sorrow for something that didn't relate to his family.
** He is answered in Ghost Of Sparta by [[spoiler:the Grave Digger/Zeus]] with "Death. The Destroyer of Worlds". After killing [[spoiler: Thanatos, God of Death, and losing his brother again, this time forever]].
* In ''VideoGame/PrinceOfPersiaTheTwoThrones'', the prince asks himself this very question after discovering the Shadow Prince within himself. He also doesn't want Farah to see his sand monster form. The [[SharingABody Dark Prince]] sardonically asks if he's worried she'll prefer the new him, and he rather bitterly answers, "Charred skin, [[GlowingEyesOfDoom glowing eyes]], a melted face... what's not to like?"
* in ''VideoGame/TargetEarth''/''Assault Suits Leynos'', [[WorthyOpponent Rance Culzus]] is forced to become a cyborg after a severe defeat to the protagonist (and after explaining that his kind, who started the war against Earth, is actually [[spoiler: originated from humans sent on a mission from Earth to discover new worlds to colonize; for some reason, they were forced to call for Earth's help, to no avail, were forced to become cyborg hybrids in order to survive, and now are exacting their revenge against those who had forsaken them. The protagonist then says that he won't allow Earth to become a battlefield, and he replies saying that his kind will never reconcile with the humans]]), and when they meet again, for the last time, Rance mentions that he [[spoiler:has followed the fate of his kind in order to survive]].
* One [[EpilepticTree fan theory]] for why The Witch in ''VideoGame/Left4Dead'' [[http://accelagirl.deviantart.com/art/Left-4-Dead-Broken-Promises-108701856 is always crying]].
* In the ''Videogame/FinalFantasyVII'' prequel ''Videogame/CrisisCore'', Genesis becomes a villain, Angeal a DeathSeeker and Sephiroth [[GoMadFromTheRevelation enlightened with insanity]] because of this. The only thing that changes with their appearance is a single black or white wing on their back (Sephiroth's wing is seen chronologically much later in the series though) which allows them to fly, and before that they were insanely powerful warriors. The genetic tinkering behind this however also causes Genesis and possibly Angeal as well to slowly degenerate. Which still kinda manages to be CursedWithAwesome (seeing how there were possible cures), although there are more subtle explanations for why they are not exactly happy about the revelation; they aren't angsting about having wings, they're angsting about what the wings are a symptom of.
** Cloud Strife in the original game goes through a similar moment. But it is made more complicated by the fact that his own transformation into a Jenova hybrid came with a set of side effects including false memories and susceptibility to mind control, which led him to misunderstand the nature of his condition at first and think [[TomatoInTheMirror he was never human at all]], which leads to his breakdown. It takes a little amount of Tifa's tinkering with his mind to recover the truth of who he was and is, and repair his personality.
** This seems to be a running theme in the FFVII games, in VideoGame/DirgeofCerberus Vincent gets a Main/ScreamDiscretionShot upon waking up after Dr. Hojo experimented on him and seeing his monstrous new form.
* In ''Videogame/KnightsOfTheOldRepublic'', it's implied that this was the reason why Revan took off his/her mask in the Rakatan ruins on Lehon, briefly reflecting on their MotiveDecay since the end of the Mandalorian Wars.
** In the sequel, Kreia states her belief that [[spoiler: on a subconscious level, the Exile always ''knew'' what they had [[HumanoidAbomination become]] after Malachor V and the reason [[ScrewDestiny they ran way]] was because they were ''afraid!'']]
* In ''[[VideoGame/KingsQuestVIHeirTodayGoneTomorrow Kings Quest VI']]', the Lord of the Dead is reminded by Alexander of how he came from a human life to an eternally damned existence.And this fazes him just enough to make him shed a single tear. Which is still good, considering he grants Alexander his wish to resurrect Cassima's parents.
* The ending monologue of ''VideoGame/{{Prototype}}'''s Alex Mercer consists of him trying to figure out just what exactly he is. His conclusion is that he ultimately doesn't know.
* In ''VideoGame/DeusExHumanRevolution'', Adam Jensen [[http://www.youtube.com/watch?v=1B5CouS1ZmA never asked for this]].
* Several cases, most notably Argilla, suffer from this in ''VideoGame/DigitalDevilSaga''. Though, to be fair, having a cannibalistic demon inside you who will never shut up about its HorrorHunger and will never, ever go away, along with [[WhatIsThisThingYouCallLove unexplained emotion surges]], would ruin anyone's day.
* After mercilessly torturing [[spoiler: his own brother]] to maintain his cover, even though it was with his consent, Jason Brody in ''VideoGame/FarCry3'' takes a moment to look at his hands and ask himself [[HeelRealization what he's become]].


[[folder: Webcomics]]
* {{Played for laughs}} in ''Webcomic/ElGoonishShive''.
-->'''Tedd''': ...[[http://www.egscomics.com/?date=2010-03-03 Oh dear lord, what have I become?]]
-->'''Elliot''': I dunno. [[CharacterDevelopment Mature?]]
-->'''Tedd''': ''Blasphemy.''
* In [[http://www.penny-arcade.com/comic/2010/11/08/ this]] ''Webcomic/PennyArcade'', Gabe is horrified that he's become someone who would say "That's enough ''VideoGame/{{Minecraft}}'' for now. Go outside and play."
* ''Webcomic/AmazingSuperPowers'' has [[http://www.amazingsuperpowers.com/2009/02/loose-cannon/ this]]. For double hilarity see AltText.
* ''Webcomic/TheKingfisher'': As a story about a man that becomes a vampire, this trope had to make an appearance. Jack's story is the most explicitly shown version, but Darren also expresses the sentiment in some scenes.
* ''Webcomic/{{Homestuck}}'': At one point, [[spoiler:Vriska and Tavros' dead bodies]] get thrown into Jane's kernelsprite and get grafted together into one mutated body. The panic (and ''completely'' [[{{Foil}} contradictory personalities]]) is so great the sprite explodes in minutes.

[[folder: Websites]]
* {{Website/Neopets}} played this for laughs in the Website/PetpetPark plot. You come upon an adorable Cybunny with the options of: A) Become inexplicably hostile, B) Request an autograph, C) Ask, "If you were a tree, what kind of tree would you be?", or D) Bribe it with Neocash. Upon executing any of the options, the Cybunny would turn around to reveal itself to be half-robot. If you chose A, it gets a mirror out of nowhere and says, "ERROR: WHAT HAVE I BECOME?"

[[folder: Web Original]]
* When Alfred Alfer looks in the mirror in part 3 of ''WebAnimation/AlfredsPlayhouse'' and realizes that [[spoiler:he and Pickles are the same person]].
* This happens to [[VillainProtagonist Taylor]] of ''Literature/{{Worm}}'', when she sees a recording of herself assaulting a government facility and observes that she's been using moves that she never taught herself. The fact that she's a one-girl MookHorrorShow doesn't hurt.
* ''WebAnimation/MysterySkullsAnimated'': Nonverbal, but Lewis' reaction to waking up in a coffin after his death and discovering that he's now a pretty terrifying ghost is pretty clearly shown as a mixture of horror and sadness.
* In ''Machinima/RedVsBlue'' [[Machinima/RedVsBlueTheChorusTrilogy season 12]], [[LazyBum Grif]] is horrified to realize that the pressures of leadership are causing him to act like [[DrillSergeantNasty Sarge.]]
* In Creator/SamAndMickey's "The Attic", Franchise/{{Barbie}} criticizes Ken's flamboyant and kitschy outfits, and threatens to dump him again over his poor fashion sense. However, she has a HeelRealization after [[spoiler:her "little sisters" find a Betamax tape of a five-year-old, tackily-dressed Barbie attempting to audition for a cereal commercial, but receiving verbal abuse from her mother, Margaret.]]
-->'''Barbie:''' Oh, my God. [[spoiler:I've turned into my mother, haven't I?]]

[[folder:Western Animation]]
* Satirized in an episode of ''WesternAnimation/SpongeBobSquarePants''. In the episode "Rule of Dumb", Patrick becomes king of Bikini Bottom after finding out he is supposedly descended from royalty and later begins to abuse his power. In one scene, he looks in the mirror and sees that he's becoming a monster, leading him to say the quote word for word.
-->'''Mirror''': Knock-knock.\\
'''Patrick''': Huh? ''[with glee]'' A knock-knock joke! Who's there?\\
'''Mirror''': You!\\
'''Patrick and Mirror:''': ''[confused]'' I don't get it.\\
'''Mirror''': I'm you and you are me. (Patrick finally understands)\\
'''Patrick and Mirror''': ''[screams]'' What have I become?!
* Silverbolt in ''WesternAnimation/BeastMachines'' utters this phrase upon being reformatted from a Vehicon. Technorganicness is hard to handle.
** Generation 1 gets in on it when Spike has to be temporarily transferred from his human body to a robotic spare that was made up for this purpose. Did NOT help that Frankenstein was on the TV that day. Oh, and the robot body having issues with sanity.
* In one ''WesternAnimation/{{Gargoyles}}'' episode, GeniusCripple Halcyon Renard can't bear his condition any longer and financially supports a ruthless criminal so that he can steal a magical {{Golem}} for him. After Renard uses a ritual to transfer his soul into the Golem he quickly goes mad with power and the ability to walk and feel again. Goliath then asks Renard if he was really willing to trade away everything good about him -- his honor and integrity -- for a lump of clay. Renard then utters the trope verbatim, returns to his human body, and gives the Golem back to its owner. He thanks Goliath at the end, telling him that he had saved his soul if not his life.
* Fluttershy in the ''WesternAnimation/MyLittlePonyFriendshipIsMagic'' episode "Putting Your Hoof Down": essentially, she wants to become less of a doormat so she takes lessons in assertiveness. It works [[GoneHorriblyRight all too well]] to the point where Fluttershy sees herself as a menace to her friends, prompting her to lock herself in her own home. This leads to a moment when Fluttershy looks in the mirror and sees herself with devil horns.
* [[spoiler:Tarrlok]] by the end of Season 1 of ''WesternAnimation/TheLegendOfKorra'' when he realizes that he's become the very tool of vengeance that his father [[spoiler:[[AbusiveParents Yakone]]]] wanted him to be and that he tried to avoid becoming. [[spoiler:Amon]] may have also had this at the end before [[spoiler:[[MurderSuicide Tarrlok kills them both]]]] but it's left more ambiguous.
* ''WesternAnimation/GravityFalls'': Mabel says this verbatim when she realizes she has begun behaving like Stan in "Boss Mabel." PlayedWith because she actually realizes that she ''needs'' to act like him to some extent in order to get things done.
* ''WesternAnimation/TeenageMutantNinjaTurtles2012'': Subverted. When Raphael and one of the Kraang switch bodies, the Krang escapes outside then sees its reflection in a mirror and says the line. It even starts raining.
* PlayedForLaughs in ''WesternAnimation/MiloMurphysLaw''--at the thought of competing against [[BoyBand Lumbermax]] in the BattleOfTheBands, [[OnlySaneMan Zack]] has a bit of a breakdown and begins treating the others badly, culminating in him preparing to play all of their instruments himself. Just then, a band called "Reflective Randy and the What Have I Becomes" pass by, with mirrors covering their clothes, prompting the standard HeelRealization.
* In ''TheSimpsons'' Season 24 episode 7, ''The Day The Earth Stood Cool'', Chief Wiggum recognizes he is abusing his power while threatening a donut-maker to make more donuts, and wonders this aloud, following up with the observation, "It's not a good feeling when you're saying 'what have I become?' more than once a day."
* ''WesternAnimation/SouthPark'': Heidi Turner has this reaction in season 21's finale after hearing Kyle's ArmorPiercingResponse. She becomes disgusted with herself for becoming Cartman's DistaffCounterpart, and was going kill him for "turning her into this." However, she soon realized that it wasn't Cartman himself but rather her "I'm a victim" attitude that resulted in her deteriorated state, and proceeds to break up with Cartman, because she no longer wants to be the victim.