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[[quoteright:343:[[Videogame/{{Contra}} http://static.tvtropes.org/pmwiki/pub/images/Contra_1_Alien_Heart_1514.JPG]]]]
[[caption-width-right:343:To be visceral, that is the mark of evil.]]

->''"The fear of blood tends to create fear for the flesh."''
-->-- ''VideoGame/SilentHill1''

There is something about organic material, especially viscera, being arranged in a grotesque eldritch fashion that is just not right and inherently disturbing/pain-inducing. That makes organic material -- internal organs in particular -- a favorite representation of evil. There are also things that evil forces make organic, or organic-looking, that really shouldn't be. The usual purpose of this is to {{Squick}} people as much as possible.

This trope also covers instances where the mere suggestion that something is like an organic thing -- for example, something pulsating as if it was a heart -- is supposed to indicate evil.
!!Sub-Super Tropes:
* BodyHorror
* AlienKudzu
* AndShowItToYou
* AttackOfTheMonsterAppendage
* BeatStillMyHeart
* BloodyBowelsOfHell
* BloodyMurder
* BugWar
* ChestBurster
** SpawnBroodling
* CombatTentacles
* EarAche
* FaceFullOfAlienWingWong
* FaceHugger
* FanDisservice
** ButterFace
** CreepyCrossdresser
** GrotesqueCute
** NoYay
* FetishRetardant
* FetusTerrible
* ImAHumanitarian
* LovecraftianSuperpower
* MalevolentMutilation
* MeatMoss
* ThePlague
** SyntheticPlague
* PuppeteerParasite
* TentacleRope
* VaginaDentata
* ViralTransformation
* TheVirus
* VirusVictimSymptoms
* TheWormThatWalks
* ZombieApocalypse

!!Related Tropes:
* AlienBlood
* AmbiguousRobots
* BeeAfraid -- Especially if the bees are shown close-up, and have realistic features.
* BigCreepyCrawlies
* BrainInAJar
* TheCorruption
* CruelAndUnusualDeath
* DemonicPossession
* EatenAlive
* EldritchAbomination
* EldritchLocation
* EverythingsSquishierWithCephalopods
* EvilIsBigger -- The {{Squick}} factor can be easily increased if the viscera and other organs are portrayed as much larger than even a single human.
* EvilMakesYouMonstrous
* EvilMakesYouUgly
* FetishFuel -- Rule 34, Rule 63, and MoeAnthropomorphism can conquer anything.
* FreudWasRight
* GoodScarsEvilScars
* {{Gorn}} -- It's okay for things to be blown up and chopped up in disgusting ways if they were already disgusting organic things to begin with.
** SceneryGorn
* HiveMind
* HumanoidAbomination
* LivingShip
* LoadBearingBoss -- Sometimes the boss is, literally, the brains or the heart of the place.
* LudicrousGibs
* MakeThemRot
* MoreTeethThanTheOsmondFamily
* NauseaFuel
* OneWingedAngel
* OrganicTechnology -- Especially if the good guys also have technology. In such an event, the bad guys' technology will be distinctly more organic-looking: wires and cables that look like veins, strangely-rounded shapes that suggest an insect-like carapace, random growths everywhere, people being directly-hooked-up to machines via meaty tentacles, etc.
* OrificeEvacuation
* OrificeInvasion
* PainfulTransformation
* ReptilesAreAbhorrent
* ScaledUp
* {{Squick}}
* TearsOfBlood
* VolcanicVeins
* WombLevel

!!Examples which do not fit neatly into the above:


[[folder:Anime & Manga]]
* The bad guys in the ''Manga/GetterRobo'' series all tend to have this to a degree, but the most obvious ones are the Invader in ''Armageddon''.
* ''{{Guyver}}'' -- The zoanoids' designs evoke this trope, as well as some of the bioboosted armors.
* ''Anime/MacrossDoYouRememberLove'' -- This visual element is added onto many Zentraedi things, especially their intelligent/command personnel.
* ''Anime/MDGeist'' -- The final boss' second form is introduced with a lot of strange fluids, and pulsates and breathes in an organic manner.
* ''Manga/NausicaaOfTheValleyOfTheWind'' -- The newborn God-Warrior takes this form, though much of this is due to it being awakened before its time and collapsing into goop as a result. Subverted with the rest of the creatures, when it turns out that humans can live together with them peacefully.
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* The demons in ''Urotsukidouji''.

* ''Creator/HRGiger'' -- Much of his artwork is based on this, thus leading to many of the subtropes listed above.

[[folder:Comic Books]]
* Pretty much everything that has to do with [[EldritchAbomination The Rot]] in the relaunch of ''Comicbook/AnimalMan'' fits this trope. Though it's also subverted, as the series [[BigGood Big Goods]] tend to use it as well.
* ''VertigoComics'' has many, MANY examples of this trope in action. Comics like ''ComicBook/{{Hellblazer}}'', ''Comicbook/TheSandman'' and ''Comicbook/SwampThing'' have this trope in spades.

* ''Franchise/{{Alien}}'' series -- In addition to creating many of the subtropes, the alien eggs and the visual design of the space jockey are also this.
* ''Franchise/{{Hellraiser}}'' series -- Uses this trope in the extreme.
* ''Film/JacobsLadder'' -- During the hospital gurney scene, many organs are shown laying on the floor, some of which get run over by the gurney.
* ''[[Film/TheThing1982 John Carpenter's The Thing]]''
* ''Film/{{Poltergeist}}'' -- Carol-Ann's closet turning into a squidgy, pink, mucous throat-esophagus sort of thing with a tentacle reaching out to grab her and pull her in. Poltergeist II had the Beast, a creature based on concept designs by Creator/HRGiger.
* ''Film/{{Species}}'' -- In addition to many other subtropes, part of the horror is simply that the alien hybrids were designed by Creator/HRGiger.

* Creator/HPLovecraft -- Many things are "squamous," which means scaly or looking like a close-up of a layer of skin cells.
* ''[[{{Nightside}} Something From The Nightside]]'' -- The BigBad turns out to be a house on the outside but all squidgy and organic on the inside.
** Additionally, EvilWeapon[=/=]ArtifactOfDoom the Speaking Gun is made out of meat, just to up the "ick ick get it away from me" factor.

[[folder:Live-Action TV]]
* ''Series/{{Andromeda}}'' -- Aspects of the Magog that are not already covered by the subtropes: they spit on people, and have exposed noses.
* The Reavers in ''Series/{{Firefly}}'' are quite fond of torturing, raping, flaying and eating people, in no particular order. They also favor the visceral aesthetic, like mutilating their own bodies, wearing human skin as clothing and using blood as paint.
* ''Series/StargateAtlantis'' -- The Wraith use OrganicTechnology and are not very pretty themselves.
* ''Franchise/StarTrek'' -- Species 8472, also known as the Undine, are introduced as the only threat to the hitherto biggest threat (the Borg). Their ships are organic and the (CGI) aliens themselves look "more organic" than the usual Rubber Forehead Alien because they don't wear clothes, have extra limbs and strange eyes with complicated irides.
* The monster designs in ''Series/SamuraiSentaiShinkenger''/''Series/PowerRangersSamurai'' are very visceral-looking, some clearly intended to look like bare flesh. And then, from the old days, there's [[Series/MightyMorphinPowerRangers Lord Zedd]]. Missing all of his skin, no skull so the top of his brain's exposed, tubes all over his body carrying fluid, a visor and vent-mask on his face... And this is an American-original villain.

* The entire design aesthetic of ''VideoGame/AlienCrush'', inspired by Creator/HRGiger.
* Ditto for Bally's ''Pinball/SpaceInvaders'' pinball, which "borrowed" Giger's designs from ''Film/{{Alien}}''.

[[folder:Tabletop Games]]
* This is very prevalent in ''TabletopGame/{{Warhammer 40000}}'':
** Everything about the [[HordeOfAlienLocusts Tyranids]].
** Many creatures of Chaos have long prehensile tongues and various other features covered by subtropes.
*** Nurgle -- The Great Unclean Ones have exposed organs, use their intestines as weapons, use vomit and pus as ranged weapons, etc.
*** Slaanesh -- Daemonettes have big crab claws in place of one of their hands, and are rumored to have a nasty surprise instead of normal genitals. Keepers of Secrets are a mix of many different body parts, including breasts.
* The Daelkyr of ''Tabletopgame/{{Eberron}}'' love this trope. From their biological armor and symbiotes, to practicing BodyHorror as both [[ForScience science]] and [[PlayingWithSyringes a hobby]]. Though said armor and symbiotes can be used for good, if you can overcome [[WithGreatPowerComesGreatInsanity their will]].
* Inverted in ''Splicers''. After humanity has lost a RobotWar, metal becomes unusable, and so the resistance is based entirely around OrganicTechnology.

[[folder:Video Games]]
* ''VideoGame/{{Abadox}}'' is full of this trope.
* ''Act-fancer: Cybernetick Hyper Weapon'' -- A sidescrolling arcade game in which you play a morphing biological weapon and fight against an invasion of far larger and far nastier variants. [[spoiler: Also notable for featuring a huge twist in the end. As the BigBad is revealed to be an {{expy}} of a classic R-Type ship, leading to a full inversion, as the bio-mechanical hero fights a fully robotic villain. The SoundtrackDissonance of the fight only makes it more jarring.]]
* ''VideoGame/AlienCrush'' -- Two pinball games all about this trope, with an aesthetic heavily inspired by Creator/HRGiger.
* ''VideoGame/AlienSoldier'' -- Nearly all the enemies and bosses until the last few bosses are this.
* ''VideoGame/AmericanMcGeesAlice'' - The Queen's castle is made out of her own organs, with tentacle-like veins acting as walls throuoght the game.
* ''VideoGame/AmnesiaTheDarkDescent'' has The Shadow. A cosmic force that generates walls and lumps made out of some kind of acidic, pulsating, and fleshy subtance.
* ''VideoGame/BadOmen'' a.k.a. ''Devilish'' -- The final boss is a beating heart.
* ''VideoGame/BattleClash'' -- The design of the ST Valius, the internals of the ST Baron, and pretty much everything about the ST Thanatos all invoke this trope.
* ''VideoGame/BioHazardBattle'' -- Pretty much the whole game, especially the organic rocket and the final level. Your characters are LivingShips, so it's not all evil.
* ''VideoGame/BioMetal'' -- Borderline- The titular enemies may look metallic grey, but they are more like a cross between flesh and metal.
* ''VideoGame/BrutalLegend'' -- In the land of HeavyMetal and HeavyMithril, everything one could associate with FireAndBrimstoneHell is either neutral or good. In particular, Ormagoden, a hellish looking monster MadeOfIron, is actually the storiy's BigGood and CrystalDragonJesus. Instead, the BigBad is the Tainted Coil, a race of disease, S&M and BodyHorror coated demons.
* Most of ''VideoGame/CallOfCthulhuTheWastedLand'' is set in a classical UsefulNotes/WorldWarI SceneryPorn setting with mud, trenches, ghost villages, and bomb craters. The penultimate and the last levels add to this organic growths and hostile tentacles protruding from nods in the soil.
* ''VideoGame/ChimeraBeast'' -- [[VillainProtagonist YOU play as the evil visceral creature]]!
* ''VideoGame/{{Contra}}'' series -- One of the recurring bosses is a gigantic beating heart. More generally, pretty much anything to do with aliens is this.
* ''VideoGame/CyberLip'' -- Despite being designed by members of IREM, it provided a major subversion. The Giger-esque aliens in question appear horrific, but are actually allies to humanity. At least before an [[AIIsACrapShoot insane AI]] brainwashed them. [[spoiler: And that's not even starting on the [[VillainProtagonist true villains]]]].
* ''VideoGame/{{Darkstalkers}}'' series -- Jedah fights by mutilating himself and using his tissues and blood as weapons(for example, he'll make claws by cutting the joints of his fingers and stretching them in lines of blood, as well as attack with a spray of blood by DECAPITATING HIMSELF). His stage is the inside of a [[WombLevel giant womb]], complete with [[FetusTerrible giant demonic fetus]] in the background.
* The ''Franchise/DeadSpace'' series purposely uses as many of the related tropes as possible. Even the creatures and bosses that are not man-shaped at all use organic features for maximum {{Squick}} factor. The game studio that develops the games is named Visceral Games, too.
* ''VideoGame/{{Dota 2}}'' -- Pudge, the Butcher, who looks nothing short of a FleshGolem, with certain internal organs sticking out of the gaps in his stitched body.
* ''VideoGame/DragonAgeOrigins'' -- The upper levels of [[spoiler: the Circle Tower]] are decorated in High Tumor.
* ''Videogame/{{Earthbound}}'' -- Giygas looks like this when the Devil Machine is active. After that... it's a little hard to classify what he looks like, other than pure horror.
* ''VideoGame/FinalFantasyVII'''s Jenova, an unspeaking Eldritch horror from outer space. When it landed on Gaia thousands of years ago, it assumed the form of humanoids to get close to them. In the present day, it resembles a nymphet without clothing, but can't get the details right: the "human" shape is a doll attached to tentacles and various fleshy components plugged into its torso. It's also missing ambulatory limbs.
* ''VideoGame/{{Gradius}}'' series -- The final boss in each game tends to be some sort of brain, or a head with a very big brain. The entirety of ''Life Force'' is also this.
* ''VideoGame/GuildWars: Nightfall'' -- Especially in the "Gate of Pain" map, which is set in a landscape composed entirely of overgrown viscera, but the whole landscape infected by Abaddon throughout the later parts of the game show signs of this trope, with tentacles and insectoid body parts growing out of the ground, rock formations with eyeballs in them, etc.
* ''VideoGame/{{Metroid}}'' series -- Mother Brain and the Aurora Units are [[ExactlyWhatItSaysOnTheTin big brains]] that do not look very pretty. Starting from the first game, the Metroids themselves have visible blood vessels of some sort. In the second game, they were given an insectoid life cycle. In the third game, one of them grows really big, letting you see even more organic bits inside of the body.
* ''VideoGame/NinjaGaiden'' series -- Almost everything related to demons and fiends, especially the NES games.
* ''VideoGame/PsycheMetal'' -- Is all about this trope. Even the main character is a floating eyeball.
* Almost all the humanoid [=B.O.W.s=] from ''VideoGame/ResidentEvil'' [[UncannyValley look just human enough]] to give you the creeps, but with enough exposed organs, protruding muscles, and [[CombatTentacles tentacles]] to shove them right into this territory.
* ''VideoGame/RobotUnicornAttack'' (Heavy Metal Version) -- The foreground islands, except for the layer on which you run, are made of assorted bones, and the background islands are held up by tentacles of some sort.
* ''VideoGame/RType'':
** All of the advanced forms of the [[OrganicTechnology Bydo]]. This includes and is not limited to: weaponized giant sperm, phallic bosses, bosses that look like vaginas, and on and on...
** ''R-Type Final'' also introduces the [[DarkIsNotEvil B-Series]] which attempted to make Bydo-like lifeforms which could be safely piloted. Most worked fairly well, but the project also had its [[WithGreatPowerComesGreatInsanity little bumps]].
* ''VisualNovel/SayaNoUta'' -- Lovecraft inspiration, and also because the insanity producing hallucination is that the whole world is... meat.
* ''Videogame/ShadowsOfTheDamned'' -- The game takes place in hell. A very fleshy, organ-splattered hell.
* ''Shippu VideoGame/MahouDaisakusen'' -- The boss of the Dead Forest stage is a naked woman connected to a three-faced EldritchAbomination via meat-tentacles.
* ''Franchise/SilentHill'' series -- Many of the monsters are based on this - if not visually, then with their sound effects.
** ''VideoGame/SilentHill3'' -- The mirror room uses the growth of veins and blood as part of its horror factor.
* ''VideoGame/SoulSeries'' -- the evil weapon Soul Edge and things associated with it tend to have a flesh-and-bone look, with a pulsating demonic eye as a focal point.
* ''VideoGame/{{Splatterhouse}}'' series -- Pretty much everything in this game series.
* ''VideoGame/{{Starcraft}}'' series -- Aspects of the Zerg that do not fit neatly into other tropes: the way that buildings pulsate when they are being constructed, their sound effects (especially if liquids are involved), the Overmind's influence is represented by a big eye. Then there's the growing tissue sample in ''VideoGame/StarcraftII''...
* ''VideoGame/{{Terraria}}'' -- The Wall of Flesh. The Crimson Biome too- a fleshy, MeatMoss alternative to TheCorruption that also ''spreads into its surroundings''. Inhabitants include flesh-based monsters like the [[GiantSpider Blood Crawler]], [[NightmareFace Face Monster]], Crimera, Herpling, Ichor Sticker and the Brain of Cthulhu.
* ''VideoGame/{{Valis}} 2'' -- Emperor Megas has lots of twisted bundles of huge biomechanical arteries underneath his armor and face.

[[folder: Web Original]]
* [[spoiler:Desert Bluffs]] from ''WebOriginal/WelcomeToNightvale''. The first hint that it's something more than an innocuous rival town in the series is when [[spoiler:Kevin]] finds it strange that Cecil's desk is "bloodless" in "The Sandstorm". We find out why in the alternate version of the episode -- we see Cecil's side of the pair swapping radio stations. [[spoiler:Every surface is ''covered'' with blood and the control panel has viscera instead of buttons and dials.]]


[[folder:Western Animation]]
* While it's not the case with [[HumanoidAbomination every villain]] this frequently comes up with the monsters of ''WesternAnimation/GeneratorRex''.
* In ''WesternAnimation/SpiralZone'', anyone affected by the eponymous zone will begin to develop MeatMoss and "overcome" TheEvilsOfFreeWill. However the latter effect doesn't apply to the Black Widows (due to AppliedPhlebotinum), resulting in the villains having parts of their bodies covered in red blotches.
* Majorly subverted in the ''WesternAnimation/YoungJustice'' series. The first two-parter seems to play it straight, with hordes of monstrous bio-weapons and MeatMoss covering the lower areas of the lab. [[spoiler: But it turns out that the only villain present who's truly evil is [[HumansAreBastards completely human]], though he does go OneWingedAngel later, the bio-weapons are innocent [[PunchClockVillain Punch Clock Villains]] secretly helping both sides to ensure their freedom. Even better, in the next episode, the heroes get a [[OrganicTechnology bio-ship]] of their own.]]
* Ricardio from ''WesternAnimation/AdventureTime'' is a sentient heart who wanted to rip out Princess Bubblegum's heart and make it his lover. [[spoiler: When he returned in "Lady and Peebles," he constructed himself both a strong new body and an [[WombLevel entire fleshy dungeon]] out of the Ice King's biomass so he can have Princess Bubblegum's "whole package."]]


!!Our ships (or mecha or...) [[ISOStandardHumanSpaceship look like bricks]]. Their ships that look like... some sort of EldritchAbomination...

[[folder:Anime & Manga]]
* In ''Anime/TengenToppaGurrenLagann'', the humans and Beastmen use your typical technological mecha and spaceships. The Anti-Spirals have spaceships that look like hands and feet, and their capital ships are basically [[StarWars Star Destroyers]] with giant human heads on them.
** It also contains a mild inversion: the human mecha all have faces and the first Anti-Spiral units seen, part of the Extemination System, are abstract machines with no organic looking features. They're quickly dubbed Mugan or "Faceless". They still look like [[EldritchAbomination Eldritch Abominations]] though. Or {{TRON}} rejects.
* The enemy ships in ''Anime/IrresponsibleCaptainTylor'' are rather insectoid and organic.
* ''Anime/{{Lensman}}'' anime -- The Boskone ships are depicted as more organic than their opponents.

[[folder: Live-Action TV]]
* ''Series/BabylonFive'' -- [[http://www.waynesbooks.com/B5Season3.html As seen here]]. Granted, [[http://babylon5.wikia.com/wiki/Excalibur some of the good guy ships also had a vaguely organic appearance.]]
* ''Franchise/StarTrek'' -- Species 8472 wasn't the only alien race that had organic - looking vehicles.
** Series/StarTrekTheOriginalSeries -- The [[http://memory-alpha.org/wiki/The_Doomsday_Machine_(episode) Doomsday Machine]]
** In later years, there have been a number of "free - roaming space whales" collectively known as [[http://memory-beta.wikia.com/wiki/Cosmozoan Cosmozoans]]. The Crystalline Entity was a nasty, but many of the others weren't.

* Tyranids from ''TabletopGame/{{Warhammer 40000}}''. Even their orbit-to-surface rapid re-entry vehicles are living monsters called Mycetic Spores.
* Inverted again in ''TabletopGame/{{Splicers}}'': The [[RobotWar Machines]] have all the cool technological toys, while LaResistance uses Organic technology and living weapons.

[[folder:Video Games]]
* ''VideoGame/MassEffect2'' -- Your ship is all clean lines and metal. The Collector ship is all black monolith tech overgrown by some kind of organic... stuff. The Collectors themselves have an exaggerated insectoid and exposed-muscles look.
** Slightly less prominent but still present in the case of the Reapers, who all look like gigantic black metallic space cuttlefish.
* Pure Bydo ships from ''VideoGame/RType'' are visibly cybernetically-enhanced alien creatures. Infected ships have a big fat glob of MeatMoss growing on them.

!!Aliens look like a cross between a bug and a tree or something...

[[folder:Anime & Manga]]
* ''Manga/BlueSeed'' -- {{Justified|Trope}} in that the Aragami fight by infecting earth creatures and turning them into monsters.
* ''SilentMobius'' -- As seen [[http://www.youtube.com/watch?v=6oNFpVOfxp4 here]] at 0:55.