[[quoteright:298:[[TabletopGame/CallOfCthulhu http://static.tvtropes.org/pmwiki/pub/images/Wizard_of_yog_sm.jpg]]]]
[[caption-width-right:298:Meet the [[ReligionOfEvil wizard]] of [[EldritchAbomination Yog-Sothoth.]]]]

Where StockSuperpowers make reality cry and sometimes meet BodyHorror.

Usually, when you gain some special ability, it will manifest in some fairly conventional forms. [[PureEnergy Energy blasts]], PsychicPowers, [[NighInvulnerability steel skin]], [[ElementalPowers control over different forms of matter]] and varieties of {{magic}} are all relatively common. Despite how fantastic some of these abilities may be, there is usually an underlying science or logic and at the least it seems normal or standard in the story's setting.

And then there are Lovecraftian superpowers. Now what makes abilities Lovecraftian can vary greatly but for an ability to be Lovecraftian, it usually falls under a few general rules:

# The power in question is used by the bad guys. If the power is used by one of the good guys, the power is shown to be bad or harmful in some way, be it to themselves, others, or the universe in general.
# The ability or power must be unique and/or abnormal. It is usually a power that is either not possessed by more than one person, rare, or functions in a fashion that separates it from other standard yet similar abilities. An example would be if the ability to phase through matter by slipping their molecules through an object as a common ability versus someone who can phase partially out of sync with reality to move through obstacles. Both have the same result but one is rarer and functions in a different way.
# The way the character gains the power is usually disturbing, horrible, or unpleasant. While it may not be the process of gaining the power (as some characters are born with their power), the implications and circumstances surrounding the origins of the ability are almost always anything but nice.
# The powers themselves may or may not produce strange side effects on the user. It usually varies and depends on how the user gains his powers, the user himself or the very nature of the powers themselves. Side effects may range from small to gigantic. For example, the user could develop a [[SuperPoweredEvilSide dark side if the source of his powers is malevolent in nature]] (like [[BlackMagic black magic]], for example).
# The powers may or may not require [[PowerAtAPrice specific criteria to be fulfilled in order to be gained]]. A price, so to speak. For example, a dark sacrificial ritual must be performed to summon a god that may grant said powers. Another good example would be to make a literal [[DealWithTheDevil deal with a demon]] so that he can give you powers at the cost of your soul.
# The powers may or may not be hard to control (at first, at least). This makes sense. After all, the user's powers are eldritch and alien in nature, so not only are they hard to understand, but also, nobody's really sure how they work, including the user, which will obviously make it hard for him to use them correctly. Maybe he'll destroy something he doesn't want to destroy by accident? Maybe his powers will have unexpected side-effects on whoever or whatever he uses them on? Maybe his powers will change and become different as time goes on?
# The last but most important rule is that the ability must clearly be unnatural or deviant in some way. Generally speaking, this means that the ability must in some way go against the internal logic of the story and what should or should not be possible. Emphasis on the word ''should'' because, since the ability exists, it's not impossible just...''wrong'' somehow.

While the most obvious way a power could be abnormal is if it bends, breaks, or flat-out ignores the laws of science and nature, it may be more subtle. Obviously, being able to bend space would be Lovecraftian but being able to invade someone's dreams would count as well.

For the less lucky, however, such new talents will have a [[{{Squick}} disturbing]] biological component. They find themselves able to sprout [[CombatTentacles thrashing razor-tipped tentacles]], drool highly corrosive acid saliva, or extrude venomous thorns from their flesh. Alas, for these people have been BlessedWithSuck [[note]]or CursedWithAwesome[[/note]] and granted a {{squick}}[[CrunchTastic tastic]] Lovecraftian Superpower.

The name originates from classic scifi/horror writer Creator/HPLovecraft, whose characteristic creations often seemed equal parts NightmareFuel and biology textbook.

A subtrope of BadPowersBadPeople (usually), possibly because MagicIsEvil. Alternatively, this can overlap with BadPowersGoodPeople, though less frequently. May be a useful side-effect of TheVirus or TheCorruption. Often manifests as CombatTentacles, [[YouAreWhoYouEat cannibalistic]] and [[BodyHorror horrific]] ShapeShifting (sometimes [[PartialTransformation partial shapeshifting]]), BloodyMurder, or a BeeBeeGun, and is likely [[PowerIncontinence not quite controllable]]. Can overlap with OneWingedAngel, PowerUpgradingDeformation and ShapeShifterMashup, and usually counts as a {{supertrope}} of SpiderLimbs and, on a sillier note, {{Fartillery}}.



[[folder:Anime and Manga]]
* In ''Manga/{{Akira}}'', Tetsuo manifests this trope in the Olympic Stadium when Colonel Shikishima tries to neutralize him; the flesh around the stub where Tetsuo's arm was fried off by the orbital laser shoots out in a massive bloody tentacle that attacks the Colonel. But then, later in the scene, Tetsuo gets shot by Kaneda's laser weapon. You see, Tetsuo is in so much pain that this trope suddenly combines with SuperpowerMeltdown. Naturally, Tetsuo's Lovecraftian Superpower Meltdown is just as bad as you can imagine it.
* ''Manga/AngelSanctuary'': So, so much. Rosiel's powers are exclusively this, and a few others get in on the act too.
* In ''Manga/AttackOnTitan'' [[spoiler:certain humans have the power to transform into Titans]]. It's implied that the main difference between them and [[spoiler:the other Titans]] is that they can ''control'' their power.
* Immortals in ''LightNovel/{{Baccano}}'' have the power to [[CannibalismSuperpower "devour"]] other immortals, acquiring all of their knowledge all the way down to muscle memory. This process is not pretty.
* [[Creator/HirohikoAraki Araki's]] previous manga, ''{{Manga/Baoh}}'', wasn't light on this either. Baoh's/Ikuro's attacks are Meltedin Palm Phenomenon[[note]]Ikuro secretes extremely powerful acid from him palms that can melt human flesh as easily as it can melt steel [[/note]], Reskiniharden Saber Phenomenon[[note]]Ikuro's skin extends and hardens into a pair of extremely sharp blades that he can detach and throw [[/note]], Shooting Bees-Stingers Phenomenon[[note]]Ikuro launches hairs that burst into flame when heated by human bodies[[/note]], and Break-Dark-Thunder Phenomenon[[note]]Ikuro creates thousands of volts in his body similar to an electric eel[[/note]].
* The Apostles of ''{{Manga/Berserk}}''. For [[JackassGenie some reason,]] fulfilling a person's most fervent (often dying) dream always involves turning them into [[WasOnceAMan a Lovecraftian horror.]] Rosine, the DarkMagicalGirl Apostle, partially averts this by being [[KillerRabbit actually kind of cute...]] until the final battle, where she turns into her TRUE form.
* In ''Manga/{{Bleach}}'' the 9th Espada Aaronerio has resurrection.
** [[spoiler: Aizen during his fight vs Ichigo gets a gruesome transformation with the skin of his face ''splits'' in half]]
* ''Manga/BoboboboBobobo'' is about a guy who can use his hair (including body hair and ''nose hair'') to fight enemies. His siblings can use different hairs to attack: Bebebe-be Be-bebe (Fist of Leg Hair), Bababa-ba Ba-baba (Fist of Chest Hair), Bububu-bu Bu-bubu (Fist of Armpit Hair), and Bibibi-bi Bi-bibi (Fist of Head Hair).
** Most of Bobobo's fusions share his ability to use their nosehairs as a FinishingMove onto the opponent, save for a few who use eyelashes or do without.
* In ''Anime/BungouStrayDogs'' H.P Lovecraft's ability allows him to generate and create tentacles. [[spoiler: It gets even more, Lovecraftian, when you realize that not only is he BASED off of the original Lovecraft, but his ability is one that is odd, even among people who can heal you when your half-dead, turn into a white tiger and turn a cloak into an omnivorous beast capable of eating space. Not only that, but someone who can cancel abilities and makes them defunct for a period of time, can't cancel Lovecraft's ability. He also transforms into an actual monster.]]
* [[EldritchAbomination Awakened Beings]] in ''Manga/{{Claymore}}'' tend to start sprouting tentacles to rip people apart with. That's [[UpToEleven only the beginning]] of the BodyHorror here, though...
* All the devilmen in ''Manga/DevilMan'' gain their powers through DemonicPossession and BodyHorror. It gets worse the more a demon takes over a human host or [[MixAndMatchCritters several merge]] into one body.
* [[TheWoobie Allen Walker]] of ''Manga/DGrayMan'' has a monstrously deformed left arm that can transform itself into a much larger flexible and extendable claw arm, or a uzi/cannon arm. This only gets [[FromBadToWorse worse]] as the series progresses, with Allen's arm transforming into an even more deformed claw, only for him to later be able to remove it from his body and turn it into a sword. And that's just the main character; let's not get started on the various Noahs, Akumas and [[spoiler:Third Exorcists]].
* In ''Manga/FairyTail'', the Strauss siblings' Take Over Magic has traces of this. Lisanna's Animal Soul Take Over is relatively benign, granting her the power to transform her body parts into that of various animals. Elfman's Beast Soul Take Over is a bit freakier, granting him the power to transform his body parts into that of various magical beasts. Mirajane's Satan Soul Take Over grants her the powers and forms of various ''demons''.
* ''Manga/FullmetalAlchemist'':
** Gluttony can eat ''[[ExtremeOmnivore anything]]''. In the manga, he can suck people through his BellyMouth into a PocketDimension in his stomach.
** Envy can turn into a huge green semi-EldritchAbomination covered in [[AndIMustScream the still living]] [[BodyOfBodies bodies of Xerxian humans]].
** Wrath from the 2003 anime can fuse his body with almost any matter.
* ''Manga/{{Guyver}}'' tends to invoke this trope, especially with the first activation of the eponymous suit.
* Alucard from ''Manga/{{Hellsing}}'' honestly resembles something much more disturbing than a traditional vampire, like a primordial being of chaos that personifies hunger and bloodlust. Appearing as an amorphous blob full of red eyes and sharp teeth, he can turn into an ocean of blood capable of drowning an entire city, its waves made up of wailing human bodies; those engulfed in the ocean wind up impaled on spikes. He carries scores of familiars whose body parts he can materialize into form, like deforming his arm into a snout, which can then ''hold and fire a gun''; these familiars are all individuals he has consumed, and there are ''thousands'' of them.
** [[spoiler: And Alexander Anderson, once he plunges Helena's Nail into his chest, becomes a creature of endlessly propagating, thorny, strangling vines that cause anything unholy to burst into flame on contact. They can block bullets and ''immediately'' repair any injury Anderson takes, even the severing of his limbs or his entire head getting blown away.]]
* Mentuthuyopi from ''Manga/HunterXHunter'', one of the elite Chimera Ants, has the ability to mutate his own body. There is seemingly no limit to the number of bodyparts or amount of distortion. He does some really cool stuff with this, too; his period as a centaur-thing was impressive.
* In ''Manga/{{Inuyasha}}'', this is Naraku's main method of attack.
* The Fractured Humans from {{Manga/Jagaaaaaan}}, [[PersonalityPowers manifests their psyches]] [[OneWingedAngel through their bodies]] in a morbid display of BodyHorror when triggered, often with lethal results for everyone around them when it happens. That their powers comes from UncannyValley frogs merged with their bodies only makes them more disturbing.
* The Pillar Men from ''Manga/JoJosBizarreAdventure'' are BodyHorror incarnate. Specific powers vary depending on the person, but they're all shown to be able to contort their bodies far beyond anything the most flexible, double-jointed human could even hope to do, and even crush their own skeletons into dust to slip through tiny spaces (fortunately, they also have an extremely powerful HealingFactor to undo it) and can effortlessly absorb any living thing into their bodies simply by touching them. More specific powers include burrowing inside other people's bodies and [[PeoplePuppets controlling them]], extending their ribcages to impale opponents, sprouting chainsaw arm blades, rotating their arms like drills fast enough to create powerful whirlwinds and firing RazorWind from holes in their bodies, and prehensile blood vessels that can inject literally boiling hot blood into people. When one Pillar Man is seemingly killed, his brain is able to escape his body and seize control of another person [[spoiler: and when the leader is transformed by the Stone Mask, he gains CompleteImmortality and the power to transform any part of his body into any animal, even when said parts aren't connected to his body (for example, he grows bird wings and fires razor sharp feathers at [=JoJo=]. The feathers then transform into piranhas to continue attacking him.)]]
** There's also the vampires [[spoiler:(originally created from humans by the Pillar Men with the Stone Mask ''as a food source'')]], and their [[OurZombiesAreDifferent zombie minions]] who get instances of this, such as being able to contort and warp their bodies in numerous freakish ways; one of them has a nest of venomous snakes in his head, another uses [[PrehensileHair his hair as a weapon]], and first arc BigBad Dio can ''[[EyeScream split open his eyes]] with a thought to shoot out the liquid inside with the power and accuracy of a sniper rifle''.
** And from the third arc onward, several Stands have those types of powers (such as a minuscule Stand that enters your brain through the ear canal and wreaks havoc on your nervous system or turns its victims into PeoplePuppets, or one that manifests as a pustulant, tumorous growth either on its wielder ([[spoiler:which covers them from head to toe and can be altered to make them look like a completely different person]]) or their enemy (where it grows into a grotesque homonculus/conjoined twin who then tries its damnedest to murder its host body). Those two examples are just two from early in the first arc to use Stands, and since the freakiness of said Stands only escalates in latter arcs... It's that kind of series.
* In ''Manga/KingOfThorn'', infection by [[TheVirus Medusa]] can grant this to those with [[HeroicWillpower sufficient willpower]]. The good news: you can make all your dreams into reality! The bad news: by having them explode out of your body like chestbursters. BodyHorror doesn't begin to cover it.
* Mushizo of ''Anime/NinjaScroll'' is a deformed hunchback with a hornet's nest growing straight out of his back.
* A few of the characters from ''Anime/NinjaScrollTheSeries'' are worthy of mention as well, such as a swordsman who has a hideous parasitic worm living in his stomach that attacks and kills anyone that is about to kill its host.
* Shino and the Aburame clan in ''Manga/{{Naruto}}'' turn their bodies into living hives for their Kikkai insects, but are portrayed much more sympathetically, and with only a few tiny holes in their cheeks as the only visible indicator of their trait (they wear rather concealing clothing, so any further changes are unseen).
** The [[BonusMaterial Omake]] at the end of Shippuden episode 110 strongly implies that [[EyeScream his eyes are empty sockets]]
*** His eyes are [[http://images.wikia.com/naruto/images/f/fa/Shino_Eyes.jpg seen from the side]] in episode 149 of Part I. The manga says nothing either way.
** Heck, a lot of ninjas are like this. Kimimaro's blood limit is to weaponize his ''bones'' stands out as pretty freaky. But then there is any ninja who can use the 2nd level of the curse seal, that transforms their body into some monstrosity. Or Juugo, the original source of the curse seal, whose abilities are basically shifting his body into whatever the situation at hand calls for. Kakuzu passes into this territory as well, given that he is partially made of freely-controllable string and artificially extends his life by using his opponents like organ banks whenever something grows too old to work, plus there's those... ''things'' that he can create out of the string.
** Orochimaru transformed himself into a humanoid snake-like being who can extend his body to bizarre lengths(including his neck and tongue), puke swords, eat large objects, body surf and do other nightmarish things. [[spoiler:Also, his real form is a big snake made of other snakes with his human head on the end.]]
** The ninja Pain has a lot of these. First of all, his ability to posses and use the bodies of dead people as if they were his own. Next, each body has it's own unique ability. The Shurando body that Pain uses can read peoples minds by [[YourSoulIsMine ripping out their souls]] which can kill them. The Jingokudo body can summon the king of hell which is a large demonic head that uses mouth tentacles to connect to a living person and if they lie, their life-force is drained and the target dies. The real big one is Gedo or "Outer Path" which allows pain to not only manipulate the forces of life and death by resurrecting people, but he can resurrect thousands of people at once.
* ''Anime/NeonGenesisEvangelion'' gives us a nice helping of this with [[EldritchAbomination the Angels]], but especially [[TheVirus Bardiel and Armisael]], though [[FusionDance Israfel's]] dance of death is also pretty bad. And, ahem, the entirety of the Instrumentality.
** Unit 01's [[spoiler: stealing Zeruel's arm to use for itself]] also counts.
* For Manga/OnePiece, we have [[MsFanservice Nico]] [[BadassBookworm Robin]]. It is very easy to forget that such a pretty woman ''consistently'' uses her powers to '''[[BodyHorror break the spines of her enemies.]]''' What are those powers, exactly? [[HeartIsAnAwesomePower Sprouting bodyparts out of anywhere.]] However, unlike most other examples, we do not [[{{Squick}} squirm in agony]] when she uses her powers, but instead ''[[CatharsisFactor relish]]'' when the [[TakeThatScrappy bastards get what's coming for them.]] And as an added bonus, she's a part of the Straw Hat Pirates.
** Of all the Devil Fruit powers that exist, Blackbeard's Dark-Dark Fruit (Yami Yami no Mi) is so far the closest to fit the criteria of Lovecraftian horror. It allows the user to become and manipulate [[CastingAShadow darkness]], but in a way that simulates [[PowerOfTheVoid black holes]], sucking in and crushing everything that comes near it with powerful gravitational force. This essentially makes Blackbeard a walking, '''human black hole'''. Worthy of note is that the ability itself is an abnormality thanks to it having its own peculiar perks that break the usual Devil Fruit rules, such as the lack of NighInvulnerability common for the Logia class it belongs to and the capacity to absorb other Devil Fruit powers.
* The aliens in ''Manga/{{Parasyte}}'' are worm-like creatures that get into a human's brain through the ears and can transform their hosts bodies to have tentacles ending in sharp blades. Main character Shinichi gets a worm in his hand instead, which allows him to retain his free will and his parasite agrees to help him fight the other worms, since they want him dead too for botching his infestation.
* Ashitaka in ''Anime/PrincessMononoke'' gets a cursed arm from contact with the tentacle-goop of a demon. It tends to pulse and warp bizarrely, giving him occasional SuperStrength and making his arrows [[OffWithHisHead considerably more lethal]]; he doesn't have much control over it, though, and it's going to kill him eventually if he doesn't find a way to remove the curse.
* In ''Manga/RanmaOneHalf'' the character of Pantyhose (yes, really) Tarou is bad enough with his ability to turn into a giant Bull/Yeti-Thing in his first appearance. Just to show how badass (or JerkAss more like) he is, he goes and mutates his body more to add tentacles. Obviously, this is form is based on the ''ushi-oni'' of Japanese myth, but that doesn't make it any less freaky.
* ''Anime/RebuildOfEvangelion'' also gives us examples, both with Unit 02's "The Beast" mode, which turns it into a spindly, elongated monster with a huge, grotesque mouth that [[GlasgowGrin opens up halfway down its neck]], and new-Zeruel's literal take on the saying "[[YouAreWhoYouEat you are what you eat]]".
* ''Manga/SgtFrog'': Subverted, as [[spoiler:Alisa's assumed to have this ability at first, but it's really due to her "Daddy", a shapeshifting symbiote that lives on her head]].
* ''Manga/SoulEater'', being [[CreepyAwesome the kind of manga that it is,]] has several examples of this trope.
** [[TykeBomb Crona]] has had all [[AmbiguousGender their]] blood drained and replaced with [[PsychoSerum Black Blood]] - as a result they gained the ability to solidify their blood at will, making them near impossible to cut, as well as to control it even when it leaves their body. This means that even if you manage to wound Crona, their spilled drops of blood will just skewer you. This would be just a classic case of BloodyMurder if not for the fact that their blood also serves as the host for [[EquippableAlly Ragnarok,]] a soul-eating liquid parasite that can manifest as a massive HumanoidAbomination [[BodyHorror sprouting out of Crona's spine,]] or as a pitch black longsword fashioned out of Crona's blood that ''[[HellIsThatNoise screams constantly]]'' when Crona is fighting.
** Snake Witch [[BigBad Medusa]] has her entire body completely stuffed full with writhing magical snakes. She can put these snakes into others' bodies as well through their mouths, where they will serve as a parasitic case of AnimalEyeSpy and [[LudicrousGibs messily tear them apart from the inside out at her command.]] [[spoiler:After she was killed by Dr. Stein during the Kishin's awakening, she managed to pull off a risky magic, turned into a snake and came back [[AdultFear in the body of a little girl]] whose body she [[BodyHorror invaded]] through the mouth in her snake form.]] Yeah, it's not pretty.
** While less pronounced than the rest of the examples here, the witch Arachne has her entire body [[TheWormThatWalks composed of millions upon millions of spiders.]]
** Obviously, the [[HumanoidAbomination Kishin]] [[GreaterScopeVillain Asura]] excels at this. Aside from carrying an aura of all-permeating madness that causes anyone near him to undergo horrifying hallucinations, he wears his own stretched-out skin as a scarf and can use it as CombatTentacles. On top of that he can messily regurgitate a [[https://en.wikipedia.org/wiki/Vajra vajra]] (which he gained by ''eating his [[EquippableAlly Demon Weapon]] alive'') from his throat and use it to fire off FrickinLaserBeams. He can also regrow lost limbs entirely, a process which is agonizingly painful for him, but he simply ''doesn't care.''
* In ''Anime/SpeedGrapher'', one of the Euphorics[[note]](people with disturbing sexual fetishes turned into super powers)[[/note]] is a dentist who can make lots of tentacles made out of dental instruments sprout out of his back. Because backs sprouting tentacles and dental tools weren't terrifying enough on their own.
* All ghouls in ''Manga/TokyoGhoul'' have this to some degree. Their defining trait is the ability to explosively expel a blood-like cellular structure from holes ripped in their back, forming them into a variety of extra body parts such as tentacles or razor wings. More powerful ghouls take it to an even greater extreme, being capable of gruesomely putting themselves back together when sliced, diced, disemboweled, or blown apart. Then there are the Kakuja, ghouls that have mutated as a result of serial cannibalism -- sprouting protective shells or fleshy armor, and generally being driven completely insane by their own powers. The One-Eyed Owl, in particular, displays the ability to form a giant flesh mecha with numerous chattering mouths that carry on disjointed conversations with each other. The Owl explains to a helpless victim that the form a kagune can take is limited only by the user's intelligence and imagination. And few people are as intelligent and creative as [[spoiler: a bestselling author specializing in psychological horror]].
* ''Manga/{{Variante}}'' has the main character obtain a monstrous arm that can mutate further [[spoiler:(her arm ate a dog)]]. She uses the arm to fight monsters.
* Almost everyone from the Demon World in ''Anime/WickedCity'' has some kind of Lovecraftian Superpower. Main character Maki's FemmeFatalons is probably the tamest example in the movie, which says something. The only demon whose power doesn't evoke BodyHorror is DirtyOldMan Giuseppe [[spoiler:who wields [[ShockAndAwe lightning]] instead]].
* Xam'ds in ''Anime/XamdLostMemories''. Even the most subdued use of their powers involves transforming an arm into a grotesque alien appendage or blade.
* ''Manga/YuYuHakusho'':
** Elder Toguro has the power to manipulate his physical form. This allows him to form his body into any weapon imaginable, travel unseen through the ground by liquefying his body, avoid fatal injuries by shifting his organs around, reattach severed limbs, regenerate from any non-fatal wound, and so on. [[spoiler: Later on his body mutates to the point where he becomes truly immortal, unable to die of age due to being a demon, and being able to regenerate from anything ''including'' injuries to the heart or brain and obliteration.]]
** Younger Toguro bulks up as he uses more power. 100% has him going outright OneWingedAngel; his skin turns grey and his body becomes over-muscled to the point of deformity.

[[folder:Comic Books]]
* In the New 52 ''ComicBook/AnimalMan'' series, Buddy Baker becomes infused with more power from The Red (the metaphysical manifestation of the Animal Kingdom, and the animal equivalent to ''ComicBook/SwampThing'''s The Green), and his power to use animal abilities is morphed into actually physically manifesting animal characteristics. These transformations are [[BodyHorror visceral and not pleasant to look at]].
* [[ComicBook/XForce The Spike's]] mutant ability allows him to fire bone spikes out of his body. The film version has him shooting huge spikes out of his wrists. His teammate Phat can fill himself up with extradimensional gunk, growing to grotesque proportions but increasing his strength and durability exponentially.
** In the ''WesternAnimation/XMenEvolution'' series, the character who inspired him, Spyke[[note]][[WebVideo/AtopTheFourthWall Because poor literacy is kewl]][[/note]], [[spoiler: eventually becomes completely covered in armadillo like plates which he [[IJustWantToBeNormal can't get rid of]]. Although on the upshot, he gains the ability to launch spikes that are ''[[IncendiaryExponent on]] [[KillItWithFire fire]]'']].
** And of course, there's Wolverine's claws. Which are bone knives that slice through his forearms and hands everytime they extend. [[GoodThingYouCanHeal Good Thing He Can Heal]] indeed.
*** [[http://www.youtube.com/watch?v=-vQ2RVqJCNM This]] video parodies the problems that result from having the claws [[RequiredSecondaryPowers without the healing factor]].
*** And a parody video isn't actually needed. The comics and adaptations [[{{Pun}} make no bones about]] the fact that having metal bonded to your skeleton and blades made of the stuff stuck into your arms is in fact not actually a good thing. Logan's healing factor is all that allowed him to survive having it done to him, and when deprived of it by power-dampening characters or tech, the adamantium in his body starts to poison him; he'd ''die'' without his powers. And at least before the bone-claw {{Retcon}}, driving those claws through his forearms and out of the back of his hands without his healing factor is ''insanely'' agonizing - surgery-without-any-anesthesia agonizing because that's ''kinda what's happening'' - to the point of being in real danger of having a heart attack on the spot. You're expected to kindly ignore all this when he loses his adamantium and writers who don't want to deprive him of his signature weapon say "Oh, he always had 'em, they were just covered with metal." We also learn just how damaging the presence of the adamantium was during this period, though: his healing and animal-based powers were in ''overdrive'' compared to how he normally is; apparently, the overwhelming majority of his mutant might is usually not available to him because it's busy keeping the deleterious effects of the adamantium in him at bay.
*** Even after the bone-claw retcon, it's shown that popping the claws is still very painful. The first time he popped them in ''Origins'', he screams in agony a moment later. By the present day, he's used to the pain. Also, when the bone-claw retcon was first introduced, Wolverine popped his bone claws a few days after Magneto had ripped the adamantium out of his skeleton, which in the process had overloaded his healing factor. Meaning that in addition to the extreme pain, he started ''bleeding profusely'' out of the holes his claws had just created in his hands. When his healing factor is functioning, the wounds from popping his claws just instantly close as soon as he retracted them. With it on the fritz for a while, he treated claws like giant piercings in his hands, and kept them extended for while every day until his body adapted to having six new holes on a permanent basis.
** Predating the Spike is the even more Lovecraftian Marrow, whose bone growths were originally uncontrollable, random, and disfiguring. She would tear them out periodically to use as melee weapons, healing the wounds left behind with her HealingFactor.
** As well as the rest of TheMorlocks living in the sewers. Their powers come with varying degrees of deformity built in, often quite hideous in nature. Hence their living in the sewers; they're so obviously mutated that they can't blend in with normal humans.
** And then there's Tusk, who predated Marrow but was fairly similar... except he also had pods on his back from which he could spawn Mini-Me versions of himself.
** A oneshot Morlock was named [=MeMe=]. He absorbs people into himself physically to get bigger and stronger; at any given point, screaming humans melted into him and each other will be wriggling around on his body, with the limbs and faces of his less-intact victims jutting out every which way. As they shift and more are added, he never looks exactly the same in any two panels.
** A former X-Man with the charming name of [[XtremeKoolLetterz Maggott]] had two parasitic slugs that ''crawled out of his belly'' and could eat anything. He spent most of his childhood nearly starving to death until his primary digestive system (the slugs) emerged.
** Johnny Dee of the 198 isn't a mutant, but his internalized parasitic twin is. It extends poison tentacles from his gut, and makes mind-controlling zombie dolls of anyone whose DNA it eats.
* One short-lived member of ''ComicBook/XForce'', Sluk, (and when we say "short lived", we mean "he was already dead when his team was introduced") had ''creepy [[ShapedLikeItself tentacle]] [[BuffySpeak things]]'' growing from his face and tentacular feet and hands. His teammates secretly hated him for a few reasons. One was that he was only handy in close combat situations and it was difficult to get him into the right spots a lot of the time. Another was that he wasn't exactly Mr. Personality. But mostly they didn't like him because he just looked really, really weird.
* ComicBook/GenerationX foe Emplate had mouths on his hands that let him cannibalize mutant bone marrow. In the BadFuture that X-Men character Bishop came from, Emplate's powers had become contagious and vampiric "emplates" were a constant danger even though the original had apparently been killed.
* ComicBook/NewMutants has the Project Purgatory arc which introduces the Inferno Babies, the latent mutant infants used during [[{{Comicbook/Inferno}} Inferno]] to open a portal to Limbo over Manhattan. Some of them have monstrous mutations fitting the hostile environment they were raised in; Scab's blood becomes body armor, Maw is covered in fanged mouths and Alex is a BlobMonster.
* Franchise/SpiderMan has on at least one occasion [[OneWingedAngel turned into a literal multi-limbed arachnid-humanoid creature]]. Even normal Spider-Man, in those incarnations where the [[DoesThisRemindYouOfAnything sticky white silk]] he shoots from his hands is organic, arguably counts.
** Or the time when he fights Miss Arrow. Or, really, just her entire being. Bonus points for being a Lovecraftian horror in the FIRST place, madam.
** Minor Spidey villain the Squid can grow multiple tentacles and spew black ink from his skin.
** Spidey villain the Sandman can sometimes appear like this, as some adaptations have him using his ability to reform himself to make an arm come out of his head or other limbs where they just don't belong.
* The Bride of Nine Spiders from ''ComicBook/ImmortalIronFist'' can summon hordes of spiders from her chest. [[http://img.photobucket.com/albums/v614/Grey420/link34.jpg This looks even worse than it sounds.]]
* Milder example in ''ComicBook/FantasticFour'': The Thing looks like a giant rock hulk. This produces plenty of angst for Ben Grimm, and the fact that other people in the Marvel Universe have been mutated in much worse ways isn't exactly a great consolation.
* The various symbiotes in the Franchise/MarvelUniverse may as well be parasitic shoggoths, capable of forming tentacles, spines, extra mouths, and other grotesque metamorphoses.
** Most noticeable is ComicBook/{{Carnage}}, a psychopathic serial killer whose symbiote tends to turn into a cloud of barbed tentacles whenever it feels like it. Also, the reason his suit is red is that it's made up of the ComicBook/{{Venom}} symbiote mixed with Cletus Kasady's blood.
** Of course, in the ''VideoGame/SpiderManWebOfShadows'' videogame, Spider-Man's old "Black Suit" symbiote also has the potential to turn into this, if you buy all its upgrades. Waves of writhing, black tentacles covering half a city block is just the beginning...
* The ''Comicbook/IncredibleHulk'' is one of the most prominent examples of this trope. And perhaps one of the tamest. At least Bruce maintains a totally humanoid form. There are a number of gamma mutates who aren't ''nearly'' so lucky...
* Top Cow seems to be fond of this, with two parts of their Triarchy, ''Comicbook/{{Witchblade}}'' and ''ComicBook/TheDarkness'' fitting the description. CombatTentacles being just the start for both powers. The third of them, [[LightIsNotGood the Angelus]], is more of a HolyHandGrenade.
* It's possible that [[Franchise/GreenLantern Guy Gardner's]] [[ShapeshifterWeapon Warrior powers]] weren't supposed to invoke this trope, but the terrible '90s art on his [[NinetiesAntiHero solo series]] made his transformations deeply squicky.
* Most of the characters from Creator/GrantMorrison's run on the Comicbook/DoomPatrol.
** Perhaps most emblematically, Freak. A parasitic tentacle beast lives in her body. While she has total control over its tendrils... ''ick''.
* [[spoiler: The evil Green Martian D'kay D'razz]], introduced in ''ComicBook/BrightestDay'', uses her shapeshifting powers to frightening and effective use via CombatTentacles and ''turning her head into a Venus Flytrap''. Assuming a monstrous form comes naturally to her, since she's a murderous lunatic.
* In the Franchise/MarvelUniverse, the Celestial experiments on proto-humans that created the Eternals and mutants also created the Deviants. While the Eternals are superhumans with the ability to manipulate energy, the Deviants look like horrible monsters straight out of Lovecraft's works. Fortunately, [[DarkIsNotEvil most of them aren't that bad]] and just want to live in peace.
* SelfDemonstrating/{{Deadpool}} was an attempt to replicate Wolverine's healing factor that went wrong by having Wolverine's DNA injected into him. He had cancer that was killing him already, and they thought the healing factor would cure that. Unfortunately, the healing factor applied to his body AND the cancer cells, so while his superhuman immune system is perfectly capable of killing the cancer, the cancer can recover and mutate just as quickly.
* The first three issues of ''ComicBook/GenerationHope'' dealt with the manifestation of the powers of Kenji Uedo, the fifth new mutant since M-Day. His power is a sort of "techno-organic" shapeshifting, but that doesn't quite convey [[http://marvel.wikia.com/Kenji_Uedo_(Earth-616)/Gallery how very Lovecraftian they can be]] (the first image through the link even looks like an obvious ShoutOut to Tetsuo's transformation in ''Manga/{{Akira}}'' above).
* The miniseries ''ComicBook/{{North 40}}'' deals with what happens when some kid reads the TomeOfEldritchLore in a small town's library, triggering a MassSuperEmpoweringEvent of this type. The lucky ones get more or less StockSuperpowers like invulnerability, super-strength, and [[AnimalEyeSpy the ability to see through an animal's eyes]]. The ''other'' ones, however, get the ability to make [[HumanResources man-powered]] killing machines, see through any photograph of themselves with their "new eyes" (which [[EyeScream look like fanged maws]]), or just plain all purpose BodyHorror of various and sundry varieties.
* In ''ComicBook/TheUmbrellaAcademy'', the Horror is pretty much the embodiment of this. He's said to have several monsters hidden under his skin. Whether or not they're from space or another dimension or something else has yet to be stated. However, according to some people in universe, they're horrible and disgusting.
* Comicbook/TheInhumans are a subspecies of humanity that the Kree genetically modified long ago. Those of Inhuman lineage manifest superpowers when exposed to the Terrigen Mist. The lucky ones retain their human forms after Terrigenesis, or at least something fairly close to human. The unlucky ones [[BodyHorror don't]].
* The Creator/DCComics {{Elseworld}} ''Comicbook/{{Batman}}: The Doom that Came to Gotham'' is a Cthulhu/Batman mashup that presents Penguin, Mr Freeze, Poison Ivy, Two-Face and ultimately [[spoiler: Batman himself]] as this. In particular, Harvey's scarred side becomes a flesh-portal to Lovecraftian dimensions, while his normal side is still capable of carrying on a conversation.
* "The Reaching Hand" (in ''Elseworlds 80 Page Giant'') is another DC Elseworld, which reinvents DC's RubberMan characters as Barely-{{Humanoid Abomination}}s.
* The DC character [[ComicBook/SandmanMysteryTheatre Wesley Dodds]] was the Golden Age Sandman. When [[ComicBook/TheSandman Dream of the Endless]] was captured, it wreaked havoc on the dream-scape and messed with people's ability to dream or sleep. As the narrator says in ''Sandman'' #1: "The universe knows something's missing and slowly tries to replace it". Dodds became a vessel for a fraction of Dream's essence. What ability did a piece of the lord of dreams grant Dodds? Every night he dreamed of crimes and saw murders and horror with the nightmares continuing until the perpetrator was caught. After that he had no dreams for a few nights, and then the whole thing started all over again. While prophetic dreams don't seem too lovecraftian, keep in mind that Dodds was just a man and shouldn't have had a piece of the Dream-lord's soul inside of him. (The one time they met, in ''Sandman Midnight Theatre'', the notoriously distant Dream showed pity for Dodds and his situation... [[BlueAndOrangeMorality but he's not known to have reclaimed the part of himself Dodds held]], even after being freed; in some continuities, the dreams passed to Dodds' heirs when he died.)
* The primary antagonists of ''ComicBook/DeathVigil'' are necromancers, who shapeshift into and summon {{Eldritch Abomination}}s that have freaky {{eyes|DoNotBelongThere}}, [[CombatTentacles tentacles]], and [[MoreTeethThanTheOsmondFamily teeth]]. One of the characters on the protagonists' side is Mia, a girl who was bound to a Primordial, an elder Eldritch Abomination. She can assume [[http://nebezial.deviantart.com/art/death-vigil-we-are-beautiful-on-the-ins-oh-454231404 her true, monstrous form]] to better battle necromancers and eat the horrors they summon.
* Long-running ''ComicBook/TwoThousandAD'' strip ''ComicBook/{{Slaine}}'' (being a fusion of Celtic mythology, Creator/RobertEHoward novels and the good old-fashioned, classic 2000 AD, punk aesthetic) has its eponymous hero (an appropriate fusion of Cuchulainn and Conan, with a punk aesthetic) "warp-spasm", causing him to mutate into grotesquely ugly forms while gaining incredible strength, resilience and bloodlust.
* ''ComicBook/{{Arawn}}'': After becoming the god of death thanks to the [[ArtifactOfDoom Cauldron of Blood]], Arawn is able to spontaneously summon black tentacles from his body.
* ''Comicbook/{{PS238}}'' has a minor character named [[http://ps238.nodwick.com/comic/2016-06-24/ Necronomik]] on [[MuggleBornOfMages Tyler]]'s parents' SuperTeam. We don't really know his origin or power source, but it clearly has some Lovecraftian angle.

[[folder:Fan Fiction]]
* In the ''VideoGame/{{Touhou}}'' story ''FanFic/ImperfectMetamorphosis'', the resident BlobMonster qualifies. [[spoiler:Rin Satsuki was just a young Kirin with an interesting native power, and gained the power to [[PowerCopying absorb other people and use their abilities in turn]], thanks to Eirin's experiments. At the cost of her own body. It goes without saying that she [[GoneHorriblyWrong really doesn't take that well]].]]
** In the same fanfic, [[spoiler:Yuuka Kazami is capable of shapeshifting her own body into all kinds of horrid, twisted forms, all with a floral theme. This isn't just vine tentacles and root claws either. She can actually turn herself into Kaiju-sized plant monstrosities and weaponize every single part of her body. This power of Yuuka is justified in that she's actually an [[EldritchAbomination Elder God]], albeit a very weakened one]].
* In the ''Series/DoctorWho'' fanfic ''Who's Afraid of the Big Bad Wolf'', Rose's ability to connect to the Time Vortex is treated as this. She nearly dies almost every time she uses it, she actually [[CameBackWrong did]] [[DeathActivatedSuperpower die]] in the process of gaining it, and it's treated as so terribly ''wrong'' by the other character that Rose chooses to hide it from the Doctor - with disastrous consequences.
* Taylor in [[https://www.fanfiction.net/s/9920320/1/Starry-Eyes Starry Eyes]] can harness the {{Eldritch Abomination}}s in her body and use their powers while in fights. Currently she can fly, use sound eating snow, and use [[CombatTentacles shapeshifting tentacles]].
* One ''Manga/{{Naruto}}'' fanfic has the titular character taking PoisonousPerson UpToEleven. His saliva is poisonous (he can change the poison but has to flush his venom sac a few times to prevent cross contamination), he bleeds hydrofluoric acid, sweats nitroglycerine, and pees cyanide. What really sells it however is how he replenishes his fluids from spitting poison or bleeding acid. He manipulates his spilled blood and that of others, causing it to flow into any open wounds on his body as well as his eyes, ears, mouth, and nose. Kiba mentions that he hasn't been able to sleep alone ever since seeing Naruto use an Exploding Blood Clone to take out a group of bandits then absorb their blood.
* Tails of all people gets one of these in ''FanFic/SonicXDarkChaos'' after getting infected with Shroud parasites, complete with tremendous amounts of BodyHorror. Among the highlights of his first transformation is ''his semen turning solid and slithering across the floor'' - before ''wrapping around him and hardening like body armor.''
* In ''Fanfic/CaveStoryVersusIMMeen'', the [[spoiler: TrueFinalBoss]], Website/DeviantArt, has the ability to transform into horrifying representations of his own fetishes. First, he transforms into a Main/GiantFootOfStomping as a huge swarm of flying vaginas appears in the upper part of the enormous room. Then, he [[SuperGenderBender gender-bends himself]] into a morbidly obese floating woman with a circle of eight giant, lethal, fat-dripping donuts flying around her. Finally, last but not least, four of her protective donuts suddenly grow huge amounts of mold as she sends out an array of giant blood-stained used condoms for the hero to stand on as ''[[TurnsRed her stomach explodes violently and gorily from overinflation, turning the vaginas into pus-oozing, tainted-blood-squirting blue waffles and prompting a bunch of naked anthropomorphic flies to crawl inside her body and feast on her endlessly regenerating entrails.]]'' NauseaFuel at its finest.
* Rei in ''Fanfic/ThousandShinji''. She has full control of her body and all her biological processes. She can turn herself into a mass of dripping puss or a diseased, rotten zombie. Her body is also a living factory of diseases. Diseased, sick animals are drawn to her and do her bidding.
* In ''Fanfic/ChildrenOfAnElderGod'', the main characters kill cosmic horrors from the Franchise/CthulhuMythos and steal their powers. Some examples:
** Shinji is capable of creating and control insects, spiders and snakes.
** Rei possesses people (among other things).
** Touji bends and twists three-dimensional space.
* In ''{{Fanfic/Daymare}}'' this becomes Izuku's Quirk, Living Nightmare, which at it's most powerful allows him to turn into an EldritchAbomination, leaving destruction in his path. Still, having a terrifying Quirk like this left its mark, with this Izuku being a lot more messed up than his canon counterpart.
* The Black Beast from ''{{Fanfic/The Missing Worlds}}'' falls under this. He used to be a human warrior who was given a [[BlessedWithSuck blessing]] by his priestess: with each person he killed, he would become stronger. When he passed the limits of strength a human body could support, he began to morph into something monstrous (implied to resemble the Minotaur.) Then [[TorchesAndPitchforks a mob of angry villagers]] killed his MoralityChain. By the end of his RoaringRampageOfRevenge, he wasn't even remotely humanoid.

* Engineers from ''Film/TokyoGorePolice'' are genetically modified humans who sprout weapons from injuries they receive. For example, the first one in the film grows a bio-mechanical chainsaw after his arm is cut off.
* Creator/ShinyaTsukamoto's films often use this; most obviously his ''Tetsuo'' films, where the main protagonists ([[MindScrew well, as far as they can be identified as such]]) invariably end up sprouting/fusing with various pieces of metal and machine, becoming hideous Creator/HRGiger-esque biomechanical monstrosities.
* Creator/DavidCronenberg uses this a lot:
** Seth Brundle in ''Film/TheFly1986'' gains the ability to wallcrawl, super strength, and even vomit a corrosive enzyme to dissolve food (or enemies). Unfortunately, he gained these abilities when he accidentally fused his genes with a fly, and slowly mutates into a grotesque giant insect/human hybrid. BlessedWithSuck indeed.
** ''Film/TheBrood''. While Psychoplasmics isn't ''necessarily'' a superpower, the ability to birth homunculi from your traumatic memories who end up subconsciously doing your bidding might be considered useful, if fucked up.
** ''Film/{{Videodrome}}'', where Max ([[UnreliableNarrator probably]]) gets mutable flesh and a giant mouth in his stomach, which can apparently create hand grenades.
* In ''Film/{{District 9}}'', [[spoiler:Wikus]] is exposed to alien fluid which slowly transforms him (starting with his arm) into one of the aliens. This gives him both an alien's strength and the ability to operate their weapons.
* Generally the {{Big Bad}}s from the movies of ''Film/ResidentEvil'' gain this through [[TheVirus the T virus]].
* Perverse MadScientist Dr Pretorius in ''Film/FromBeyond'', after [[OffWithHisHead getting his head torn off]] by fishlike ...'''things''' from AnotherDimension, [[CameBackWrong comes]] [[WasOnceAMan back]] as a HumanoidAbomination who takes entirely too much pleasure in abusing his newfound powers to manifest some of the squishiest, most disturbing forms ever put to film.
* The eponymous Thing from both the [[Film/TheThing1982 1982]] and [[Film/TheThing2011 2011]] movies usually takes pains to hide itself as those it absorbed... but once discovered or when thinking it's possessing the advantage, the fangs, claws, CombatTentacles, etc. burst out every which way to kill and [[TheVirus infest]] any nearby lifeform it can.
* ''Film/{{Society}}'': The members of Society can distort and mutate their bodies to use as a weapon; growing elongated arms is one of the more mundane uses.

* In Literature/{{Pathfinder}}, [[TheHero Rigg]] bonds with a [[PuppeteerParasite Facemask]]. A [[MentalFusion successful]] [[FusionDance bonding]] can benefit both parties, however there is a very high chance of ending up as a MeatPuppet. As a result of a successful bonding Rigg (who was WeakButSkilled until this point) becomes [[StoryBreakerPower REALLY]] over powered.
* Corrupted spellcasters in ''Literature/TheBannedAndTheBanished'' are linked to animals, but the link is always perverse in some way. The first in the series gives birth to man-eating spiders, and they scale up from there all the way to twins who grow pustules that explode into rats. The only one who initially avoids this [[spoiler:transforms into any animal he wears the skin of]], and he later [[spoiler:skins and wears one of the protagonists]].
* In books by Creator/CliveBarker, villains ([[DarkIsNotEvil and otherwise]]) tend to have these.
** In [[Literature/{{Abarat}} The Abarat Quintet]], the Prince of Midnight, Christopher Carrion, has the ability to distill his nightmares in physical form. They come out of tubes set in his skull and into a tank around his neck, cavorting in the fluid he breathes. On command, they can grow to many times their size and attack.
*** Leeman Vole is a man who enjoys growing insects. [[NauseaFuel On and in his own body]].
*** Leotho is a boy with a [[InvoluntaryShapeshifting ravenous beast form]]. He works for Carrion in return for the antidote, which he needs continual doses of to remain human.
*** Mater Motley, [[NeverMessWithGranny Carrion's grandmother]] [[spoiler: and his eventual killer]]. The things she can do with needles...
** Midianites' powers in ''Cabal'' are pretty much all different types of this.
* A number of Jokers from the Literature/WildCards series. One that particularly pops to mind is Bloat. And Mother. And Ti Malice.
* The Denarians from ''Literature/TheDresdenFiles'' are often {{Mind Rape}}d by {{fallen angel}}s (and sometimes NotBrainwashed) and have the ability to transform into a [[OneWingedAngel demonic form]]. These forms are often a bit disturbing, the best example being the one who transforms into a giant mutated praying mantis. That bleeds praying mantises.
* Oddly enough, the kindly, feminine protagonist of ''Confessions of Super-Mom'' has a Lovecraftian power--her warped right hand constantly leaks a mysterious living fluid. She can blast it from her hand with incredible force as a way of knocking people over or making holes in weak objects, and she discovers that it can also be [[MundaneUtility used as a stain remover]].
* Another heroic example: Bes from ''Literature/TheKaneChronicles'', whose trademark attack is scaring the crap out of his enemy by [[NightmareFace warping his face hideously]]. [[CatchPhrase "BOO!"]]
* Drake from Literature/{{Gone}} ends up with a long, dangerous whip where his arm should be.
* As a heroic example, the ''Literature/MaximumRide'' series give us [[spoiler:"The Gasman," or "Gazzy" for short, who in later books gains the ability to incapacitate enemies with his super-farts]].
* ''Discworld/TheLightFantastic:'' [[spoiler:Trymon gains this ability]] when possessed by [[EldritchAbomination the Things from the Dungeon Dimensions]]. It's not as powerful as one would think, though, since Rincewind [[DidYouJustPunchOutCthulhu punches him out]]. Literally.
* ''Literature/{{Imaro}}'' has the "gifts" of the Mashataan, grievous deformities like tentacles, tumors, over-sized limbs, discoloration, and more, but you get black magic and death rays in the process. WordOfGod is this was inspired by Wilbur Whateley's BodyHorror from ''Literature/TheDunwichHorror'' but weaponized.
* ''Literture/TheBehemoth'' features [[TheSymbiote symbiotes]] that [[TheCorruption corrupt and empower]] people who are [[CursedWithAwesome lucky]] enough to have one. They grant [[BodyHorror horrific]] [[SuperMode transformations]] that are themed after parts of the body -- the hero has [[BloodyMurder armor made out of coagulated blood]], another is a WingedHumanoid with a carapace made of [[SkeletonsInTheCoatCloset his own bones]], and that's not even counting the [[KrakenAndLeviathan Leviathan made out of human fat.]]
* Inverted in ''Literature/TheLaundryFiles''; in the sixth novel, ordinary humans begin to manifest superhuman abilities; while the actual source of these abilities is an unconscious version of the series's [[EvilIsNotAToy rather nasty version]] of RitualMagic (with all the same [[CastFromLifespan downsides]]), they look enough like comic book superpowers that those so-empowered [[WrongGenreSavvy tend to put on spandex and capes]] when it happens.
* The main characters in ''Literature/EdenGreen'' are infected with an alien needle symbiote that keeps them alive no matter what. This results in some horrifying but useful mutations, such as when Eden falls from a cliff and her hand warps into a sick claw with which she can catch herself.
* The Order of Ahriman in the [[Literature/AhrimanTrilogy Ahriman Trilogy]] turn their bodies into gateways between a sentient alien world, bringing in [[EldritchAbomination Lovecraftian horrors]] to do their fighting for them.
* John Henry Booth starts manifesting these in ''Literature/CthulhuArmageddon.'' At first he believes this is because he was experimented on by the MadScientist EvilSorcerer Alan Ward. [[spoiler: In truth, he is a HalfHumanHybrid blessed by Nyarlathotep.]]

[[folder:Live-Action TV]]
* ''Series/DoctorWho'' has the Slitheen, who can disguise themselves by wearing people's skins.
* In Season 3 episode "Earshot", [[Series/BuffyTheVampireSlayer Buffy]] fears she might get a Lovecraftian superpower after touching demon blood. Instead she got PsychicPowers, though with great power came great [[BlessedWithSuck suckiness]] that got her nearly insane.
* In one of the ''Series/{{Heroes}}'' online novels, one man's superpower was to involuntarily grow spikes; he accidentally killed his wife this way, and then everyone in the van he was being transported to prison in (except for a guard who could turn into liquid).
** And then, of course, there's volume 3 Mohinder, who [[spoiler:uses his own serum to grant him Spider Man-style powers, with the side-effect of growing scales over his skin]].
** Maya could cry toxic tears.
** In another graphic novel, there was a character who breathed out chlorine gas instead of carbon dioxide.
* Pathfinders in ''Series/{{Farscape}}'' can shoot poisonous bristles from the gills in their heads.
** Aside from the Corlata's ability to shapeshift in a particularly gruesome way, one of them apparently had the power to exude an explosive fluid from his hands.
** The Halosians can animate their vomit into a separate entity.
** When starved, Delvians produce venomous buds from their skin and exhale clouds of paralysing spores.
** E'Alet, the villain from "A Prefect Murder", could [[BeeBeeGun grow swarms of mind-controlling sgabba flies inside his skull and emit them.]]
* Series/HemlockGrove: [[spoiler:Christina]] chooses to become a werewolf, by drinking from a werewolf's paw-print. Unlike natural werewolves, this character can change at will, not just when the moon is full--but also unlike natural werewolves, the character can't control the wolf's bloodlust. The character also shows physical manifestations even in human form, like hair gradually turning white with each change.

* The warp-spasm of Cuchulainn from Myth/CelticMythology is all this. Think the ComicBook/IncredibleHulk, [[http://en.wikipedia.org/wiki/Cuchulainn#The_Cattle_Raid_of_Cooley only uglier]].

[[folder:Tabletop Games]]
* A feature of ''The Dreadful Secrets of Candlewick Manor'', a supplement for ''TabletopGame/MonstersAndOtherChildishThings''. The more powers you have, the more creepy other people find you and the less you can pass for normal. (In the original game, you have a {{mon}} companion. In ''Candlewick Manor'', you have an eerie power which (usually) manifests physically, or else mentally or psychically.)
* Sorcerers in the game ''Sorcerer'' who have Parasite demons commonly have this kind of power.
* Many of the mutations {{mutants}} and Chaos champions gain in ''TabletopGame/{{Warhammer}}'' and ''TabletopGame/{{Warhammer 40000}}'' fit this, usually a physical boon specific to the chaos god they represent. If they are unlucky, however, they might get something like an eye on their navel or an emu's leg.
** Hell, an eye or emu's leg is nothing compared to the grotesque explosions of tentacles (with breasts and tongues if we're talking about Slaanesh) that you can get stuck with!
** Chaos Marauders, at least in their [[MassivelyMultiplayerOnlineRolePlayingGame Age of Reckoning]] manifestation, use Chaos energies to spontaneously mutate their limbs into a variety of crablike claws and similar weapons.
** In fact, a persistent danger to Chaos champions is that their gods will [[BlessedWithSuck "gift"]] them with so many of these mutations that their minds and bodies collapse. These are known as Chaos Spawn.
** Possessed Marines-- Chaos Space Marines that invited chaos daemon into their bodies. In addition to having an incarnation of rage and hatred in their heads it also grants them extensive and very unpleasant-looking mutations. Obliterators and Mutiliators are victims of a virus that makes their bodies mutate into demonic hulking monstrosities that can grow weapons (long range and close combat respectively) and armor. The process is very painful and the result is not pretty.
** Second generation Genestealers look like this. They are regular humans with one or several adaptations (boneswords, extra limb, chitin armor, etc.) from their EldritchAbomination overlords. Most of them are able to pass for humans in low security areas, but have increased combat capacity.
** Psychic powers in general fit neatly into this trope. Although they can be used by nearly all factions, including the protagonist factions, the setting's EvilVersusEvil nature means they're still not being used by any nice people. Psychic powers are fuelled by a connection to [[HyperspaceIsAScaryPlace the Warp]], and drawing too deeply from it invites disaster, such as opening a warp rift or suffering daemonic possession. Not to mention, the Warp is constantly tempting and influencing those who are attuned to it, forcing psykers to fight a never-ending mental battle against the gibbering voices in their mind. Consequently, even the most normal of psykers tends to come across as at least a little "off", with most being out and out crazy.
* Several ''TabletopGame/DungeonsAndDragons'' {{prestige class}}es do this. The Alienist is very explicitly Lovecraftian, as it involves abandoning their sanity, summoning [[EldritchAbomination pseudonatural beings from the Far Realm]], and modifying their bodies with otherworldly effects. There's also the Vermin Lord (who gets covered in bugs), the Fleshwarper (monster flesh grafts for all!) and the Cancer Mage (how does "Sentient Tumour" sound as a superpower?). You can also take Aberrant feats, which improve your body while making you look really messed up. Special mention should be made of the 3.0 Song and Silence Prestige Class "Fang of Lolth", who slowly gives over her body to the image of the above-mentioned Spider-Queen. Unhinged jaws, bug-eyes, hairy limbs, EXTRA limbs. There are also TWO versions of the Pseudonatural Creature template. As well as a Half-Farspawn template. Both of which add tentacles to an existing creature (although, the first is more of a template for creatures native to Lovecraftian dimensions that happen to bear some resemblance to their Material Plane equivalents, rather than a modification).
** The core rules have the Phantasmal Killer spell, which essentially makes you appear to your foes as though transformed into a alien monstrosity. If it works, they die of fright.
** Another notable one is called the Warshaper, which basically involves taking a character that can change shape in some way, and going nuts with it. Sprouting claws, horns, mouths and spikes at will, being able to double the length of limbs for better reach. Growing more limbs, all of the above at once...
** The Expanded Psionics Handbook doesn't have anything explicitly aberrant (besides illithids and intellect devourers), but many of the powers available to the psychic warrior involve sprouting claws and spitting acid. One of the higher-level abilities, Form of Doom, makes the psychic warrior's body stronger and faster, "complete with an ooze-sleek skin coating, [[CombatTentacles lashing tentacles]], and a [[PrimalFear fright-inducing countenance]]".
*** Its expansion/followup, ''Complete Psionics'', has illithid feats and the related flayerspawn psychic prestige class, which allows characters to take on mind flayer traits (up to and including brain-extracting face-tentacles).
** Fourth Edition warlocks (particularly the Star-Pact variety) can attack foes with writhing tentacles and swarms of crawling unearthly vermin that sprout directly from the enemy's flesh, or simply attack their sanity with visions and apparitions of this nature. Gained, as the name suggests, by channeling the powers of various cosmic God-beings.
** The ''TabletopGame/{{Pathfinder}}'' campaign setting offers sorcerers different bloodlines. One of them, the Aberrant bloodline, gives the practitioner slightly 'wiggy' anatomy (which gets progressively more so as he gets higher in level). Starts out with the ability to spit acid, ends with Aberrant Physiology, in which your character's [[HumanoidAbomination so messed up]], he's immune to critical hits.
*** The Vivisection Alchemist's recommended Discoveries are things like tentacles, parasitic twins, Tumor Familliars, and vestigial arms. And their base skillset [[ArsonMurderAndJaywalking is focused on making]] [[PettingZooPeople furries]] from animals who piss them off.
** A ''ForgottenRealms'' special is the spellscarred multiclass feature, which has all kinds of nasty BodyHorror powers. Including unhinging your jaw to take a bite out of your enemies, bleeding on your sword to make it blister with plague, and creating a rope of flesh that binds you to your target so they can't escape you.
** ''Magazine/{{Dragon}}'' #s 296 and 300 introduced the Monster Cultist prestige classes. Give yourself over to a monstrous god, and you gain the powers of their natural worshippers ... at the cost of becoming more like them. Examples include Sphere Minion (beholders); Illithidkin (mind flayers); Snake Servant (medusas); Waker of the Beast (tarrasque); Faceless Ones (doppelgangers); Deep Thrall (kraken); Shoal Servant (kua-toas); and Tiger Mask (rakashas). Anything that involves shifting your Creature Type from Humanoid to Aberration is probably applicable.
* In ''TabletopGame/VampireTheMasquerade'' is the Obtenebration discipline, which at a certain level allows the user to make tentacles out of shadows.
** Don't forget what Tzimisce can do with their Vicissitude, which allows them to sculpt themselves or others into [[BlobMonster slimy pus-heaps]] or powerful [[{{mutants}} mutant monsters]], as they see fit. One sourcebook played up the Lovecraftian connections by making it a parasitic virus from the Umbra. [[CanonDisContinuity This was not well-received and eventually struck out]], but the idea remained that Vicissitude isn't so much a proper Discipline as a virus devised by the clan's antediluvian founder for some foul purpose. The Gangrel's Protean discipline also has weird shapeshifting, though usually much less spectacularly disturbing.
** Fomori have this and TheCorruption as pretty much their entire schtick in ''TabletopGame/WerewolfTheApocalypse'': sure, you can get SuperStrength, but you're gonna look like a ''reeeally'' ugly Hulk for the rest of your life. Or that convenient [[NighInvulnerability armor]] power you just got takes the form of a thick, chitinous exoskeleton that covers your entire body. It doesn't stop there and Storytellers are often encouraged to go further down the HumanoidAbomination route. {{Justified|Trope}} by the fact that Fomori get their powers from being fused to a [[EldritchAbomination Bane]] on a physical and spiritual level, and that for each Power Point they get at creation, they must take on an equivalent Taint to balance it out.
** Also from ''TabletopGame/WerewolfTheApocalypse'', the Black Spiral Dancer tribe of werewolves. While other werewolf tribes get gifts that allow them to talk to spirits or heal with a touch, the gifts of the Black Spiral tribe are more likely to be hideous mutations.
* ''Tabletopgame/NewWorldOfDarkness'':
** In ''TabletopGame/HunterTheVigil'', the Cheiron Group's "thaumatechnology" is based on implanting monster organs and body parts into a human host.
** The reality deviant worshippers in ''Second Sight'' get a whole ''section'' of BodyHorror-themed features and rituals.
** [[TabletopGame/GeistTheSinEaters Sin-Eaters]] have the Caul Manifestation, allowing them to assume a whole range of horrifying forms. Most notable are the Industrial Caul (which allows them to implant objects in their body) and the Phantasmal Caul (which lets them transform into a living nightmare that can induce paralytic fear or outright madness).
** And then there's the Centimani of ''TabletopGame/PrometheanTheCreated'', Prometheans who turn their back on [[ToBecomeHuman the Great Work]] and embrace [[TheDarkSide Flux]]. They can buy all sorts of twisted mutations, from tentacles to extra organs to the ability to turn into a puddle of sentient liquid.
*** Similarly, the [[ILoveNuclearPower Zeky]] get a ''whole'' bunch of unwholesome Transmutations based around atomic energy and its side effects. Three words: [[PunctuatedForEmphasis Mind. Control. Tumor.]]
** In ''TabletopGame/VampireTheRequiem'', a few of the [[PrestigeClass bloodlines]] have these kind of abilities. Take [[CircusOfFear the Carnival]], whose special Discipline ranges from contortion tricks to merging with another vampire to form a hybrid. Or the [[ImAHumanitarian Noctuku]], who alter their flesh so they can absorb more blood and better digest vampiric flesh. Or the Norvegi, who lack fangs but make up for it by producing bony spines that allow them to feed through their fingers. Or...
** In ''TabletopGame/MageTheAwakening'', Mages have Branding [[MagicMisfire Paradox]], where the [[CosmicHorrorStory Abyss]] warps their body in various ways, which can include temporarily granting them strange mutations of their bodies (such as horns, claws, tails, and, of course, tentacles). There is also a [[BlackMagic Left]]-[[OmnicidalManiac Handed]] [[PrestigeClass Legacy]] called "[[NamesToRunAwayFromReallyFast the Legion]]", whose whole shtick is that they give up parts of their body to the Abyss, and receive mutated transplants in return.
** The fourth clause of the Contract of Mirrors allows [[TabletopGame/ChangelingTheLost changelings]] to turn a limb into a weapon, their skin into bark, etc.
** [[TabletopGame/MummyTheCurse Mummies]] are all over this, able to call up eldritch abominations or turn themselves into avatars for them.
** [[TabletopGame/DemonTheDescent Demons]] are basically eldritch abominations in human form, and when they need to, they can reassume their true forms.
** In ''TabletopGame/PrincessTheHopeful'', a lot of [[TheHeartless Darkened]] tend to develop abilities like this, such as growing a gigantic mouth filled with teeth, turning their arms into claws or spitting acid. Being warped by [[TheCorruption the All-Consuming Darkness]] will do that to your body.
** ''TabletopGame/LeviathanTheTempest'' lets you play as an EldritchAbomination. This should speak for itself.
* In the Glorantha setting of ''TabletopGame/RuneQuest'', Chaos Features (powers granted by exposure to "primal Chaos") often have a physical side effect like this--But some folks get Chaos Flaws instead, all side effect and no power.
* In ''TabletopGame/CthulhuTech'', Tagers and their Nyarlathotep-worshiping counterparts, the Dhohanoids, manifest a Manga/{{Guyver}}-style ability to transform into [[EldritchAbomination Eldritch Abominations.]]
* Nightbane. A Palladium horror dark fantasy, where your BlessedWithSuck powers are to transform into an inhuman, grotesque, powerful form.
* ''TabletopGame/{{Exalted}}'' has a fair number of horrors with these abilities. Chimera Knacks for Lunars, some of the freakier Yozi charms for Infernals, the Abyssals and their freaky undeath powers...and let's not even get into a discussion of the Wyld. (With the Broken-Winged Crane expansion, Infernals can even literally turn into a [[Franchise/CthulhuMythos shoggoth]].)
** Voidtech Charms for the Alchemicals generally appear as a techno-Lovecraftian device made of equal parts rust, meat and scientific blasphemy.
** 3e Infernals are slated to have some new weird things, like the prerequisite for Mind-Hand Manipulation being a ''brain tumour''.
* You can learn the Celtic "warp-spasm" in ''TabletopGame/{{Scion}}''. The picture that accompanies it shows someone in the middle stages of transformation, and it isn't pretty (he's effectively turning into a mutant crow).
* One of the many consequences of taking high levels of Taint in Creator/WhiteWolf's ''TabletopGame/{{Aberrant}}''. Low-level aberrations might include glowing eyes or bulging muscles, while the higher levels of aberration include becoming too hideous to view or having an entire vestigial body. By the time of ''TabletopGame/{{Trinity}}'', set in Aberrant's future, as far as most people are concerned, all Aberrants are mutated, twisted freaks... though as the game goes on, it's revealed there are a good number who still look pretty human.
* In general, PointBuildSystem games such as TabletopGame/{{Champions}} or TabletopGame/{{GURPS}} give a player the option of building a character with a repulsive appearance in order to gain points that can be applied to extra powers.
* ''TabletopGame/{{GURPS}}'' lists the Battle Jaw, Tentacle Transplant and Ripsnake as potential body modifications, which can come as quite a shock to the unsuspecting.
** ''GURPS Myth/CelticMythology'' also includes the above mentioned warp-spasm. All Fomorians [[HalfHumanHybrid and their descendants]] also receive a RedRightHand that gives them the ability to horrify opponents.
* Twisted Adepts from ''TabletopGame/{{Shadowrun}}'' have embraced the dark side to gain more points to spend on powers. The effect also causes physical mutations and the game suggests that these mutations should represent the powers gained, with an example being supernatural toughness coinciding with growing scales.
* ''TabletopGame/{{Chaotic}}'''s Stelgar: though originally a very spiny starfish [[http://chaotic.wikia.com/wiki/File:Stelgar01.png and slightly creepy]], his new look [[http://chaotic.wikia.com/wiki/File:Stelgar.png.png makes his old look seem cute and snuggly]]
* ''TabletopGame/MagicTheGathering'' sometimes does this with cards like [[http://gatherer.wizards.com/Pages/Card/Details.aspx?multiverseid=3952 Unstable Mutation]] and some of the versions of [[http://gatherer.wizards.com/Pages/Card/Details.aspx?multiverseid=205237 Unholy Strength]] feature frightful asymmetry. Other cards, like [[http://gatherer.wizards.com/Pages/Card/Details.aspx?multiverseid=247150 Fallen Angel]], involve sacrificing creatures to pump them up.
** Or there's the direct route, via [[http://gatherer.wizards.com/pages/card/Details.aspx?multiverseid=193492 Eldrazi Conscription]].
** The set ''Eldritch Moon'' features many examples of BodyHorror related superpowers, [[http://gatherer.wizards.com/Pages/Card/Details.aspx?multiverseid=414304 including two]] [[http://gatherer.wizards.com/Pages/Card/Details.aspx?multiverseid=414319 corrupted angels]] being forced to [[http://gatherer.wizards.com/Pages/Card/Details.aspx?multiverseid=414305 meld together into an abomination.]]
* ''TabletopGame/{{Pandemonio}}'''s Sacraments, in large part, which let you do things like summon tentacled horrors and giant worms; cause a vicious, gigantic toothy grub to manifest by tearing itself partway out of your stomach; or rip off your skin like a tear-away dress to reveal a demonic form underneath. Blasphemies are nicer in this regard, but still let you do things like fuse people into a single grotesque entity, turn your hands into crab claws, or literally turn your guts into snakes and eels... and it's probably better ''not'' to describe what exorcisms tend to entail, though the fact that they're solely the purview of a class of magic known as "Blasphemies" is probably a hint they're not pleasant.
* The [[BlessedWithSuck "super powers"]] in ''TabletopGame/DontRestYourHead'' allow you to grotesquely violate the laws of physics, causality, or basic logic, in ways ranging from surreal to nauseatingly visceral. Push them too far, though, and each one has its own unique FateWorseThanDeath in store.

[[folder: Video Games]]
* ''Franchise/ResidentEvil'':
** The Las Plagas parasites usually spawn such mutations in those they infect. Even villains who don't go full-on OneWingedAngel tend to have giant claws (Krauser) and CombatTentacles (Saddler before fully transforming).
** The T Virus usually just creates zombies, but properly treated, victims can be turned into boss monsters such as the Tyrant and the Nemesis. The point of the virus was to mass-produce these guys--the zombies and most everything else are the result of accidents.
** The G Virus gives you a healing factor, claws and CombatTentacles at the cost of your higher brain functions. You also end up degrading into a giant, cancerous mass over time. Lovely.
** As Albert Wesker, who himself gained quite a few of these powers, revealed, this was the ultimate intention of the Uroburos plague; to transform select humans into superpowered monsters and kill all others.
** Alexia in ''VideoGame/ResidentEvilCodeVeronica'' has similar superpowers as a result of the Veronica-T virus.
* The hero of {{FPS}} ''VideoGame/TheDarkness'', Jackie Estacado, sprouts a pair of snapping serpentine demon-heads from his shoulders, as well as producing dark tentacles to impale foes and destroy walls as needed.
* In the first ''VideoGame/BatenKaitos'' game, [[spoiler: Geldoblame]] is transformed into a hideous deformed monstrosity after [[spoiler: infusing himself with the power of Malpercio]]. JigglePhysics are involved, which is as [[{{Squick}} unpleasant]] as it sounds.
* ''VideoGame/{{BioShock}}'': Most of the plasmids, which are injected in order to [[LegoGenetics rapidly modify your genetic structure]], combine this with ElementalPowers.
** [[VideoGame/BioShock1 The first game]]'s "Insect Swarm" plasmid causes a small hive-like growth to form on your palm, which allows you to ''[[BeeBeeGun throw live swarms of hornets]] at your foes''.
** All of the Vigors in ''VideoGame/BioShockInfinite'' have shades of this, most notably Murder of Crows, which works similarly to Insect Swarm above and causes Booker's hands to sprout dark feathers and talons, and Undertow, a MindOverMatter-themed Vigor that causes Booker's forearms to develop cephalopod-like suckers.
* Similarly to ''TabletopGame/{{Warhammer}}'' and ''TabletopGame/{{Warhammer 40000}}'', ''VideoGame/AncientDomainsOfMystery'' features various "corruptions" that you eventually gain after enough exposure to the forces of Chaos (from traps and Chaos beings, but also simply being deep in a dungeon). These most commonly take the form of Lovecraftian superpowers - although as "superpowers", they're mostly examples of BlessedWithSuck. Also similarly to the ''Warhammer'' games, taking enough corruption will turn you into a "writhing mass of primal Chaos".
* ''VideoGame/{{Prototype}}'' has the main character capable of significantly altering his own body, allowing him to grow everything from claws to CombatTentacles to better destroy absolutely everything around him... or he can ''eat someone'' to steal their appearance and blend into a crowd. Combine this with SuperStrength, SuperSpeed, and NighInvulnerability, and you've got one very scary VillainProtagonist on your hands.
* ''VideoGame/MetalGearSolid3SnakeEater'' has The Pain, who is technically covered in hornets. He attacks by spitting hornets that burrow into Snake's flesh unless removed.
* Yuri and other Harmonixers (except Shania) in ''VideoGame/ShadowHearts'' fuse with various demons, in ways that cause their bodies visible pain and take a toll on their minds. The villains tend to be even more so.
* The Spines and Thorns powersets from ''VideoGame/CityOfHeroes[=/=]VideoGame/CityOfVillains''.
* ''VideoGame/{{Dishonored}}'': The Outsider is "entirely ambiguous." His gifts reflect this description. Summoning flesh-eating rats to dispose of bodies and attack enemies, using tendrils of darkness as rope and hook, becoming a spindly walking shadow that can slice people's limbs off, turning the corpses of those you kill into ash, possessing other people's bodies...
* ''Videogame/FinalFantasyXI'' has this in Blue Mages and the backstory's precursor experiments toward creating the Blue Mage. The original experiments included grafting monstrous appendages and material to people, which gave them power but either drove them insane, or transformed them into flan (spell-casting blobs) or soulflayers (read: D&D's mindflayers with the serial numbers barely filed off). When they attempted to just graft a portion of a monster's magic and spirit to the experiments' subjects, they created the first viable blue mages, but even then, a Blue Mage gains their power from assimilating their opponents, and if pushed too far, carries the risk of becoming a soulflayer as well. Which invites the thought: just imagine how many players have unlocked Blue Mage on any given server...? In fact, their powers are so risky and their teammates so paranoid about said risk it's said no blue mage has ever died of natural causes.
* Saki of ''VideoGame/SinAndPunishment'', as a result of absorbing [[MysteriousWaif Achi's]] blood ([[spoiler:she turns out to be an EldritchAbomination, incidentally]]), gains the ability to transform into a really scary-looking {{Kaiju}} that can teleport, shoot giant lasers out of its claws, and grow to such immense size that it is fully capable of battling ''entire planets''. As long as he's paired with Airen, he can control it. [[SuperpoweredEvilSide If not...]] [[TheEndOfTheWorldAsWeKnowIt it's not pretty.]] After it activates, even in his human form, he has disturbing looking patches of alien flesh on his body.
* The ''Videogame/SoulSeries'' has a couple of examples. The various forms of Nightmare have a [[RedRightHand horribly disfigured and mutated arm]], and Abyss, the ultimate form of Zasalamel...[[BodyHorror yeah.]]
* In the [[VideoGame/ScottPilgrim Scott Pilgrim video game]], Todd has [[http://paulrobertson.mechafetus.com/toddingram_freakout_a.gif this attack]]. It's a ShoutOut to ''Manga/{{Akira}}''. [[BodyHorror Is there any wonder?]]
* ''Videogame/BaldursGate''. In Shadows of Amn, the main character eventually gains the power to transform into the Slayer, a giant demonic creature with huge claws that's nearly unstoppable. Unfortunately, there are [[BlessedWithSuck side effects]].
* ''Franchise/DeadSpace'': Unitologists believe that the power of the Marker will allow them to become a new, immortal form of life... [[GoneHorriblyRight and they're not wrong]]. It just so happens that this "immortality" involves losing your mind and having your body transmuted into a specifically-formed zombie with no purpose than to harvest biological matter to propagate your species.
* Some lucky Infected in ''VideoGame/Left4Dead'' gain considerable powers, at the expense of their... human appearance. May not apply because you can't "Choose" to become a special infected, but the theory is there anyway.
* Being what amounts to a [[CuteMonsterGirl cute little girl with an eldritch tentacled horror attached to her back]], ''VideoGame/{{Disgaea 4| A Promise Unforgotten}}'''s Desco naturally comes with quite a few of these.
* Being a direct and very obvious ShoutOut to Tetsuo, [[VideoGame/TheKingOfFighters K9999]] has this power, particularly as part of his [[LimitBreak Desperation Attack]] (which, yes, turns his hand into a horrifying giant tentacle of flesh).
* ''VideoGame/{{Skullgirls}}'':
** Ms. Fortune. Her power comes from her undying body and nigh-infinite HealingFactor, allowing for such things as using HighPressureBlood for propulsion and ensnaring her opponents in her own muscle fibers.
** Painwheel. Her powers come from severe and [[PlayingWithSyringes unwanted]] bioaugmentation that required [[http://wiki.shoryuken.com/images/d/d5/SG_Painwheel_portrait.jpg major disfigurement]]. Many of her attacks involve spikes tearing through her skin, and/or severe, painful contortions.
** Eliza. She replaced her ''entire skeletal system'' with a power-granting parasite, and the rest of her "body", save for her brain and possibly some other organs, is just [[ThePowerOfBlood blood shapeshifted into a human-looking form]]. She's [[ShapeshifterWeapon constantly shapeshifting to attack]], with grotesque results.
** Double, sort of. She is an EldritchAbomination. In battle, she doesn't use much of this: she's a {{Voluntary Shapeshift|ing}}er with the ability to assume the form of any of the other fighters and use their powers in battle. [[CutscenePowerToTheMax She makes up for it in cutscenes]].
* A more subtle example are the deformed, EldritchAbomination-worshipping swampfolk and tribals in the ''VideoGame/{{Fallout 3}}'' DLC ''Point Lookout'', which, while they don't have tentacles or other Lovecraftian appendages, do have [[MadeOfIron superhuman durability]] and [[AWizardDidIt magical]] [[ArmorPiercingAttack armor-ignoring weapons]].
* The Flood in ''Franchise/{{Halo}}'', once they've infected an organic body, have the ability to morph it into various shapes to aid in combat, most commonly sprouting CombatTentacles and spikes. At a certain point they start developing Pure Forms: Flood creatures built out of a mishmash of organic material which can shift forms fairly drastically to fit into a variety of situations, from aptly named [[TheJuggernaut Tank Forms]], to the intermediary [[LightningBruiser Stalker Forms]], to the [[SpikeShooter Ranged Form]].
* In ''VideoGame/Kirby64TheCrystalShards'', those possessed by Dark Matter gain some disturbing abilities. [[https://www.youtube.com/watch?v=GtniImmEHR4 King Dedede]] in particular becomes able to sprout either a giant eye (to shoot shadow balls from) or a giant maw with razor-sharp teeth from his stomach. Y'know, for kids.
* ''Franchise/TheElderScrolls'':
** In ''[[VideoGame/TheElderScrollsIIIMorrowind Morrowind]]'', the BigBad is Dagoth Ur, a PhysicalGod DeityOfHumanOrigin who gained his power by tapping into the [[CosmicKeystone Heart]] of a [[GodIsDead "dead" god]]. Aside from his CompleteImmortality [[spoiler:(at least until his connection to the Heart is severed)]], he also gains the power to create and spread the [[ViralTransformation Corprus]] [[MysticalPlague Disease]], a form of TheCorruption which turns sufferers into Dagoth's mindless, BodyHorror, HumanoidAbomination, PlagueZombie minions.
** ''[[VideoGame/TheElderScrollsVSkyrim Skyrim]]'':
*** Peryite, the [[OurGodsAreDifferent Daedric Prince]] of [[{{Plaguemaster}} Pestilence]] and Tasks, offers a quest to kill the leader of a group of his rogue followers who have been "[[BlessedWithSuck blessed]]" with a particular MysticalPlague. One of the effects of the plague gives the suffers a weaponized version of ''projectile vomiting''. Before going rogue, Peryite intended to have these followers spread the plague to the entire world.
*** In the ''Dragonborn'' DLC, the [[PlayerCharacter Dragonborn]] has to defeat EvilCounterpart BigBad Miraak, who also happens to be the champion of Hermaeus Mora, the Daedric Prince of [[TheseAreThingsManWasNotMeantToKnow Knowledge]] and the only Daedric Prince who doesn't bother using AFormYouAreComfortableWith (preferring to appear as a true EldritchAbomination). After defeating Miraak, [[spoiler:Mora proclaims the Dragonborn to be [[YouKillItYouBoughtIt his new champion]]]]. He grants a set of tentacle-tastic armor, a staff and sword which wriggle and drip slime, and the unholy ability to summon pools of necrotic darkness, tentacles, and floating eyes.
* The Terror Mask in ''VideoGame/{{Splatterhouse}}'' gives its wearer this along with a HealingFactor in addition to making them a hulking giant in the remake. Rick is able to protrude bones from his body and sharpen them into blades, or open his chest to siphon blood from his enemies.
* ''VideoGame/{{Bloodborne}}'' has a few enemies that are the result of this. [[DownloadableContent The Old Hunters]] introduced the means for the player to do it as well, using the Milkweed Rune (an item gained from the mind of a woman who experimented on herself until her head was so bloated with fluid that it was all that was left from her) combined with the [[CombatTentacles Kos Parasite]] (a creature from the carcass of an EldritchAbomination. [[https://www.youtube.com/watch?v=TR9uxl90F0g The end result looks like this]]. One of the weirder things about it is how the dodge animation is changed to make it look as though the Hunter is being [[PeoplePuppets dragged around by their tentacles]].
* The ''Whispers of the Old Gods'' expansion in ''VideoGame/HearthstoneHeroesOfWarcraft'' added a lot of new cards that represent pre-existing cards - even Legendaries - imbued with the Old God's power, tentacles and all. Effects range from [[https://hearthstone.gamepedia.com/Mukla,_Tyrant_of_the_Vale King Mukla]] giving ''you'' Bananas instead of to the opponent, or the [[https://hearthstone.gamepedia.com/Twisted_Worgen Twisted Worgan]]'s single extra point of Attack.
* ''VideoGame/DarkestDungeon''
** The cultists, more specifically those residing in the titular location, gain boons as terribly effective as they are nasty to see. Some are so distorted that they lose their Human typing, and become Eldritch-Beast.
--> '''The Ancestor''': The creature's blessings are as repulsive as they are robust.
** On the player's side, the Occultist has access to summonable CombatTentacles, as well as a variety of curses and debuffs. It's heavily implied these powers come from a DealWithTheDevil.
* The Wyrm Master from ''[[VideoGame/NexusWar Nexus Clash]]'' is a demon that has witnessed the thoughts of Tholaghru, a festering pain-ridden botched deity-golem that was a failed experiment by the setting's squabbling gods who managed to claw its way onto the pantheon itself. The Wyrm Master's BodyHorror summoning powers are its attempts to share these revelations with you.
* The Foreigner Servants from ''VideoGame/FateGrandOrder'' are historical figures [[BeethovenWasAnAlienSpy who made contact]] with [[EldritchAbomination beings lurking in a higher realm]] who inspired Creator/HPLovecraft's various works. Foreigners have a relatively normal stage with the power granted to them by the Outer Gods restrained and a more eldritch stage with a darker palette and far more disturbing attacks.
** [[spoiler:Abigail Williams]] at first appears to be a normal twelve-year-old girl but it's revealed that [[spoiler:she was modified into becoming the host of Yog-Sothoth and became its Silver Key, with a literal keyhole growing on her forehead. This transforms her from a little girl to someone with the power to bring in Yog-Sothoth's tentacles into our world as she pleases, summon butterflies out of nowhere, and tap into an unearthly light for attacks. In the climax of the story she debuted, her power goes out of control, creating a dimensional breach into the universe for the Outer Gods to come through and only the protagonists beating the god inside her back into dormancy allows her to reassert control over herself. She also should've died after the protagonists resolved the crisis but her newfound temporal and spatial powers from tapping into Yog-Sothoth allow her to simply ignore that and carry on.]]
** Katsuhika Hokusai made contact with Cthulhu and the artwork he and Ou'i reproduce [[AlienGeometries contains the]] [[BrownNote madness of Cthulhu]], creating a disorienting dissonance (their version of Mount Fuji in this form erupts from the sky and the Great Wave off Kanagawa[[note]]Which is also implied to actually be depicting the waters over Ry'leh[[/note]] is blood-red).
* ''VideoGame/{{Warframe}}'' features Nidus who looks like a flayed humanoid whose power grows from consuming enemies and transforms to become even less human in appearance as a visual indicator of his current strength level.
* Megaera in ''VideoGame/GodOfWarAscension'' has a four SpiderLimbs and can secrete [[PuppeteerParasites parasites]] from her chest that burrow underneath the skin of any living creatures. Once infected, these beings will grow into more [[BodyHorror twisted and horrific forms]] unlike anything seen in Greek myth.

[[folder:Visual Novels]]
* Nero Chaos in ''VisualNovel/{{Tsukihime}}'' is a magus whose entire body consists of the loosely drafted together biomass of 666 wild animals, beasts and legendary monsters that he can either send out in their true form or, more in tune with this trope, use partially, such as generating black tentacles, fangs, claws and such out of his flesh.
* Tiberius in ''VisualNovel/{{Demonbane}}'' is a walking, immortal, perpetually rotting corpse. No matter how damaged he becomes, he can regenerate as long as his grimoire is intact (which he hides inside his soul, making it hard to get at). His methods of close combat involve using his intestines as tentacles or shooting his ribs like javelins.

* Black Mage of ''Webcomic/EightBitTheater'' is strongly implied to be a walking BodyHorror (besides repeated jokes that he is short, fat, and doesn't bathe adequately, a glimpse at his unshrouded face is apparently enough to drive men to madness), and his Hadoken attack is powered by love. Which is to say, it sucks love out of the world and turns it into an energy beam of pure destruction. Black Mage is the only character shown to be able to use this attack (possibly due to his nature as the most evil thing in the world), and claims that the divorce rate doubles every time he uses it.
* The Cubi in ''Webcomic/DanAndMabsFurryAdventures'' can reshape their back wings into CombatTentacles with razor-sharp ends that can cut rock.
* In ''Webcomic/TheNonAdventuresOfWonderella'', Wonderella, unlike her DCU counterpart, has "[[http://nonadventures.com/2006/11/04/bound-for-vengeance/ like a spillion powers when tied up.]]"
%%* Harp's Bane and [[spoiler:Gravehouse]] in ''Webcomic/NecessaryMonsters'' both have rather [[http://www.necessarymonsters.com/2009-07-16-106 unsettling transformations]].
* ''Webcomic/{{Shadowgirls}}'', which has ''literal'' Lovecraftian powers (like "turn into living shadow" or "become a snake-monster made of light").
* Alcolla in ''Webcomic/{{Reliquary}}'' becomes an angel, [[OurAngelsAreDifferent but not the attractive kind]]: [[http://reliquary.comicgenesis.com/d/20090629.html She looks more like an undead shadow creature]].
* Vorte from ''Webcomic/HitmenForDestiny'' can puke up a sticky liquid and use "deadly headspikes". Also at some point [[spoiler:Bianca grows a tentacle on her back]].
* Nergal demons in the fancomic ''FanFic/GrimTalesFromDownBelow'' have CombatTentacles that can form [[http://grim.snafu-comics.com/index.php?comic_id=41 just]] [[http://grim.snafu-comics.com/index.php?comic_id=44 about]][[http://grim.snafu-comics.com/index.php?comic_id=46 anything!]]And also [[http://grim.snafu-comics.com/index.php?comic_id=85 a gun]].
* The Infernomancer from ''Webcomic/DominicDeegan'' fits this trope, best seen [[http://www.dominic-deegan.com/view.php?date=2008-11-09 here]] and [[http://www.dominic-deegan.com/view.php?date=2008-11-10 here.]]
* ''Webcomic/{{Homestuck}}'': Rose Lalonde, after spending most of the early Acts communing with the [[EldritchAbomination Noble Circle of Horrorterrors]], [[http://www.mspaintadventures.com/?s=6&p=005543 goes grimdark]] and gains a massive black aura that manifests as thorned tentacles.
** After Rose's prototyping takes hold, all the game's enemies (including [[spoiler: the Royalty of Derse]]) gain prehensile chest-tentacles. This is also a natural consequence of [[spoiler: the prototyping of Glyb'golyb in the trolls' Session]].
* ''Webcomic/{{Redd}}'' has [[NamesToRunAwayFromReallyFast Esmerelda Bizarre]], who pretty much has the works: Worships an EldritchAbomination called the Flesh God, has [[AndIMustScream thousands of tiny screaming faces]] of long-dead HumanResources sacrificed to him long ago [[http://www.bumrushcomics.com/?comic=chapter55 on her arms,]] the ability to summon CombatTentacles, [[EyesDoNotBelongThere Eyes That Do Not Belong There]], MoreTeethThanTheOsmondFamily provided by TooManyMouths, [[BackFromTheDead raising the dead,]] yadda yadda yadda... [[DarkIsNotEvil but she's a]] [[PerkyGoth pretty nice girl!]] She's even a bit of CombatMedic at IBISEC.
* Severian from ''Webcomic/{{Runewriters}}'' can turn himself into an aberrant, which is a Lovecraftian-esc monster with strong magical abilities. The specific type he turns into has tentacles and exposed bones, including a skinless face.

[[folder:Web Original]]
* Pretty much ''everything'' in ''{{WebOriginal/Mortasheen}}'' that has a power of any sort.
* [[LovecraftLite Squid Kid]] in the ''Literature/MetroCityChronicles'' can make indestructible tentacles sprout out of her back at will. When she leaves them out for too long, she starts turning all amorphous and inky-looking.
* Shadowspawn of the Roleplay/GlobalGuardiansPBEMUniverse is an EldritchAbomination from outer space who [[DarkIsEdgy generates tentacles of shadow and darkness]] that can drain the life out of people. In addition, Shadowspawn itself is a ClingyCostume that is slowly devouring the human being it has engulfed. When it finishes eating its current "host", it will move on to another host.
** Dagon, another EldritchAbomination, has fused itself with a human being whose body was transformed into the spitting image of a ''Dungeons and Dragons'' mind flayer. The tentacles that have replaced his mouth are not just for show; they can inject a rotting poison into his victims.
** The Swarm can transform herself into a horde of carnivorous cockroaches. The very thought of having this power has driven her stark raving mad. She's not a cannibal serial killer. Similarly, Hive can transform himself into a swarm of wasps, but has taken it a lot better than The Swarm has and uses his powers to fight crime.
** Bloodstone of the Sinister Circle is a [[{{Whatevermancy}} "hemokinetic"]]. That is, he has telekinetic control over blood. His usual first move in any fight with a hero is to gather up some nearby blood to use as a weapon, and he gathers it from any nearby innocent bystander who is unfortunate to be close enough to become an unwilling donor.
* The Cure from ''Roleplay/RubyQuest'' causes this. It's a filmy red substance that, when given to a person, acts as a panacea, up to the point of curing conditions (like blindness) present from birth and making it unnecessary for the recipient to eat or drink. [[spoiler: It can even resurrect people (though it gives them amnesia)]]. However, it also serves as TheCorruption, and its use by the Metal Glen caused an outbreak of violence. It also mutates people whenever they are wounded, and over time it twists them into creatures mutated so horribly /tg/ called them zombies. The mutations tend to give the afflicted special powers. [[spoiler: Ruby gets a ThirdEye with some kind of True Sight, Tom has two extra arms on his abdomen, Filbert has a giant mutated arm and teeth harder than iron, Tom Nook can create fleshy growths, and Jay can project a shadow of himself anywhere in the facility]]
* Carmilla in the Literature/WhateleyUniverse, since she literally is a HumanoidAbomination: one of her grandparents is Shub-Niggurath, on on her mother's side she's directly related to Cthulhu and the Deep Ones. And you thought ''your'' family was freaky. She's got the CombatTentacles and wierd shapeshifting down. In one story, she split her face open to reveal what it looked like inside, and scared a superhero so bad he wet himself.
** A lot of Whateleyites have such powers, due to the Mythos nature of the universe, not to mention plain(!) old mutations. Tennyo's is subtle, but she's no longer remotely human due to channeling the spirit of an ancient construct designed to destroy (or EAT) Great Old Ones, has (occasionally, when she's mad) anti-matter for blood, and even when her powers are negated, can inspire pants-crapping terror merely by making eye contact. Or Fey, who is the reincarnation of a GOO-level elven sorceress, and is supernaturally, mind-controllingly pretty, and can throw around spells that other mages can't even learn. Or more mundanely, Tool (now Demona) who used to have a body in constant flux, which occasionally reacted to his impulses by sprouting erections all OVER! Or any mage who decides to play around with GOO powers. Or any number of GSD sufferers, who have all manner of horribly inhuman transformations to contend with, up to and including AndIMustScream levels, like Puppet, whose blood is so horribly toxic it KILLED HER, and she now lives by occasionally-malfunctioning mad-science. Or... well, most of the Thornies, actually. Or the Foob, who got Mythosed fighting off something we've yet to find out about, and turned into, essentially, a mini-Cthulhu, which dramatically enhanced his psychic powers, rendering him basically unable to tune out the mind-numbing horror people experience when they see his physical form. Whateley's pretty screwed up in places.
* ''Literature/{{Worm}}'': Night (of the villain duo Night And Fog) turns into ... ''something'' incomprehensible, fast and super strong as long as nobody can see her.
** The effect Rachel has on her dogs counts as this as well.
** Echidna definitely counts. She absorbs any dead tissue she encounters into her body, which has accumulated over years into a massive amalgamation of jumbled body parts below her waist. When she comes into contact with something that's still alive [[spoiler:[[EvilTwin she can create copies of it]] that are always distinctly ''wrong'' in some way, and homicidally insane to boot. And if she copies a parahuman, the clone will have their powers or a similar variation on them]].
* Throw a rock at the Wiki/SCPFoundation and you'll probably hit something of this nature.
** For a specific example, [[http://www.scp-wiki.net/scp-040 SCP-040]]. A little girl who can [[LegoGenetics manipulate organic matter]] which allows her to transform animals into hideous mutants that [[PetMonstrosity behave as her pets]]. She's allowed to keep three of them.
** [[http://www.scp-wiki.net/scp-1119 SCP-1119]], a middle-aged man who [[TheAssimilator absorbs human tissue into his body giving him added mass and organs]]. [[CursedWithAwesome He doesn't like it]]. ''[[TheWoobie At all]]''.
* In ''WebAnimation/IfTheEmperorHadATextToSpeechDevice'', Lucius has additional tentacles. Spoofed in that he uses them to [[MundaneUtility pick up the phone]] while holding a gun in both hands.

[[folder:Western Animation]]
* The Big Bang from the ''WesternAnimation/StaticShock'' animated was a MassSuperEmpoweringEvent that gave all nearby characters varying superpowers. The Metabreed was a gang of these characters who banded together specifically because they were the unfortunate characters stuck with Lovecraftian Superpowers.
* ''WesternAnimation/SamuraiJack'': [[BigBad Aku]] inherited it from [[EldritchAbomination the Black Mass]]. Any kind of body horror, physical manipulation, shapeshifting, and dark magic is at his disposal as he is the [[GodOfEvil embodiment of evil]]. [[spoiler:The bit of himself he gave to the Cult of Aku, when drunk by the High Priestess, caused her to become pregnant and give birth to seven daughters, all of which carried Aku's essence inside him. Aku is able to take direct control of them and, by adding some more of his power, turn them into {{Humanoid Abomination}}s.]]
* This is pretty much standard issue for [=EVOs=] in ''WesternAnimation/GeneratorRex''. The level of freakiness ranges from "cactus guy with vine whips" to [[EldritchAbomination "If there are words to describe that thing, I don't want to know what they are"]].
* ''Franchise/{{Ben 10}}''
** In ''WesternAnimation/Ben10UltimateAlien'', Osmosians have the power to absorb matter and energy and use it to transform their bodies. Absorbing energy has the nastiest effects and warps [[BodyHorror body]] ''and'' [[WithGreatPowerComesGreatInsanity mind]]. This {{Retcon}} explains [[SameCharacterButDifferent the complete overhaul of Kevin's personality and powers]] between the original ''Ben 10'' and the rest of the series. When we first saw that he'd gone from an energy-absorbing, murderous, sociopath (who'd absorbed the power of the Omnitrix to become a horrific mishmash of Ben's original 10 alien forms, and eventually lost the ability to turn human again) to a gruff but decent guy who can turn into any material he touches. It made no sense, but now it turns out it's that he could always absorb matter and energy; doing it with energy created the Kevin of the original series and once he switched to matter he went ''back'' to being the Kevin of the later series, in mind and body. In ''Ultimate Alien'', he's forced to absorb the Omnitrix's power again, becoming a hideous mashup of Ben's ''new'' aliens instead of the original ten. (Yes, this makes him AxCrazy again, too.)
** Come to think of it, ''Ben himself.'' He can turn into aliens; initially ten, eventually a lot, potentially ''one million, nine hundred and three'' (and counting! He can scan new ones.) Many of them have powers that ''only'' work under cartoon physics, and in terms of appearance, the spectrum runs from "UglyCute" to "Ghostfreak."[[note]]Ghostfreak's on the creepy side to begin with, with the voice, and the way the cracks on his body are actually tracks that his one eye moves along, but what you think is his body is in fact a cloak. ''Opening'' it immediately reduces the opponent - sometimes quite monstrous also! -- to absolute gibbering, whimpering terror.[[/note]] There are ''no'' RubberForeheadAliens in this bunch. And except for Ditto, the un-scary forms are the ones with the most FridgeHorror, like Alien X[[note]]Looks like a man-shaped window into outer space. Able to control time and space at will, but its multiple souls can't agree on anything and so it's hard-pressed to act. Ben risks AndIMustScream condition; what if they never get around to deciding to ''move'' or ''allow Ben to change back?'' They almost didn't the first time, and he vowed never to use Alien X again. Naturally, he's been forced to a time or two anyway.[[/note]] and Way Big[[note]]Looks like a more alienesque Series/{{Ultraman}}. Is powered by some kind of "cosmic energy," so it's not just as strong as its size implies, it's strong enough to ''destroy whole worlds in one shot.'' The race's ''native environment'' is the ''inside'' of a certain kind of NegativeSpaceWedgie. They're ''perfectly'' capable of generating some of their home environment right over your hometown. ''That would be bad.'' Not that he'd have to do that to ruin your day; one punch has the cosmic power to destroy things ''miles'' away from the point of impact. Mind you, some of this is AllThereInTheManual and hasn't been displayed in-show. However, it's not hard to imagine what could happen if the force with which he did some of the things he's done, like throwing an opponent into orbit, were simply applied to the ground beneath him. A nuke would be nothing by comparison... maybe his best tricks remain in the manual because ''destroying continents'' would be the side-effects of deploying them.[[/note]] If anyone sees Ben in action and their initial reaction isn't to scream, we almost always find out five seconds later that they're either aliens themselves or familiar with them.
** If Ben qualifies, then so does Khyber's pet in ''WesternAnimation/Ben10Omniverse''. The Nemetrix on its collar grants the dog-like alien the power to transform into vicious non-sapient alien predators. Predators that happen to be the apex predators from the homeworlds of Ben's aliens. All of them are horrifying monsters.
* Alpha from the ''WesternAnimation/MenInBlack'' cartoon, due to grafting alien body parts onto himself. Whenever he looks like an ordinary human, you can bet he's really seconds away from sprouting tentacles - and less and less of him is human every time he reappears. Oh, and the aliens those parts came from? ''[[OrganTheft They didn't exactly volunteer to give them up.]]''. Worse, in his first form, he had actually stolen a few heads. And they are ''still alive'' within Alpha's body. They actually talk.
* ''WesternAnimation/SouthPark'':
** [[spoiler:Kenny, who has BornAgainImmortality thanks to his parents constantly attenting Cthulhu cult meetings for the beer. Whenever he dies, his mom always gives birth to a new Kenny and puts him in bed. [[{{Snapback}} And no one else remembers that he had died.]]]]
-->[[spoiler:'''Kenny's dad:''' God, this must be the fiftieth time this has happened.]]\\
[[spoiler:'''Kenny's mom:''' Fifty-second.]]
** Mr. Slave can fit objects ''as large as [[spoiler:Paris Hilton]]'' up his ass. That's nothing compared to Cartman, though, who actually managed to fit ''[[spoiler:all of Disney World]]'' up his ass (to smuggle it into prison).
* ''WesternAnimation/AvatarTheLastAirbender'' and ''WesternAnimation/TheLegendOfKorra'' give us bloodbending, a sub-type of waterbending which can turn victims into PeoplePuppets [[spoiler:or remove their bending abilities]] by bending their body fluids. Whereas most types of bending looks like standard martial arts, bloodbending looks very much like a puppeteer at work. A body under control of a bloodbender tends to shake and make ''really'' disturbing sounds.
* In ''WesternAnimation/{{Wakfu}}'', [[spoiler:Rushu in his true form]] weaponizes BodyHorror, being able to sprout tentacles and fanged maws anywhere on his body. During his fight with Goultard, Goultard tried gut-punching him. This backfired when [[spoiler:Rushu's]] torso simply grew a mouth and bit down hard on Goultard's hand.

[[folder:Real Life]]
* There's a species of lizard, the Texan Horned Lizard, that sprays blood from its eyes when threatened.
** Other species can stab their own ribs through their poison glands and out their sides.
* Sea Cucumbers can [[SuperSpit eject part of their digestive system]] when threatened. They also can near-liquefy themselves to fit through small spaces.
* Bombardier beetles can spray a [[MadeOfExplodium small chemical explosion]] of boiling acid from their abdomens. And they don't have an orifice for it to come out of. It just explodes out through their skin (fortunately it's a pretty weak explosion, so they aren't really hurt by this).
* Starfish feed by moving their stomachs out through their mouths and over whatever they're eating. [[AsteroidsMonster They also clone themselves when they lose a limb.]] Some species of starfish have clams as their favorite food. How do they get to the tasty clam meat inside? By breaking open the shell with a rock like an otter? No! They latch onto the clam, FaceFullOfAlienWingWong-style and ''force'' the shell open! The clam can only watch in horror as its only line of defense is pulled away and the starfish's stomach acids leak inside!
* Most (if not all species) of octopuses can: strangle and crush enemies or prey with their tentacles, confuse them by spraying black ink into the water, paralyze them with potent toxins from their beak-like mouthparts, or change their coloring at will. Some species can even change their texture and limb orientation so they look like harmless seaweed or fish. It's like ''VideoGame/{{Prototype}}'', but in real life! The mimic octopus can mimic twelve species, one of them being a venomous snake.
* Spiders inject digestive acid into their prey to make it nice and squishy before sucking out the liquefied organs. They rinse and repeat until all that's left are the totally inedible parts
* [[https://en.wikipedia.org/wiki/Conus Marine Cone snails]] possess some of the prettiest shells of any mollusc. They are also extremely effective predators, several species fully capable of killing a human being. How does something limbless, nearly blind, and [[ShapedLikeItself slow as a, well, snail]] hunt fast prey like fish? Obviously by tracking prey by smell and the motion of the surrounding water, and carefully aiming its organic tank turret which fires a harpoon-tooth laced with custom multicomponent neurotoxin cocktails tailored to its current target type, silly. The venom of the cone snail is being studied for medicinal uses because it apparently hacks the victim's nervous system; certain species produce a cocktail for hunting fish capable of completely paralyzing and killing an aquarium-sized fish in under half a second. Then they reel in and engulf their prey like a real-life Franchise/{{Kirby}}. Which, by the way, is [[AndIMustScream potentially still alive but paralyzed and slowly suffocating]], if the cocktail mix wasn't perfect. Remember the part about them having pretty shells? Most reported human deaths have occurred when the person picked up that pretty shell from the bottom of the lagoon and [[YouAreAlreadyDead felt a pinprick]].
* And then, of course, there's [[SmellySkunk that one critter that drives away enemies, and can even temporarily blind them, with a horrible-smelling sulfuric mist from glands near its rectum]].
* There is a species of mouse with tearaway parts of its skin, which is also covered in spikes. When a predator catches the mouse, the skin [[FlayingAlive tears right off]], leaving said predator with a [[{{Zonk}} booby prize]] of spike-studded mouse skin rather than lunch. [[GoodThingYouCanHeal The mouse then regrows its skin]], [[ComicBook/XMen Wolverine-style]].
* Some insects can bleed on command. It's often used to glue themselves to predators so they can't remove them as they're being attacked.