Characters: SCP Foundation SCPs 001 To 299

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Plenty of SCPs contain tropes:

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    001- 099 
djkaktus's Proposal ("The Children")
  • Arc Words: The cryptic code phrase "Does the black moon howl?" is given a pseudo-origin story and explanation in the article. It is used in O5-1's message to O5-13 after O5-1's defection, and is a metaphor of the Foundation's gradual weakening against the anomalous threats.
  • Creepy Child: Nine of them, between the ages of 4 and 11. All of them are functionally brain dead, despite still showing vital signs.
  • Fate Worse Than Death: After an incident that resulted in the death of an administrator and the defection of their controller, they were all sealed underneath the former site of a church in San Marco, Mexico. They're all still alive.
  • Reality Warper: They all have the power to erase anything from existence at any point on Earth, just by giving them the coordinates.
  • Walking Wasteland: The Children are all radioactive, possibly as a byproduct of their reality bending powers.
  • Well-Intentioned Extremist: Dr. ███ █████, O5-1, head of the project that created the Children, and the implied founder of Chaos Insurgency (portrayed in the article as an organization similar to the Foundation but even more willing to Shoot the Dog). He proposed the project to eliminate anomalous threats completely, and then defected after he realized how the Foundation is too much of an Obstructive Bureaucrat to be able to actively stop threats.

Dr Clef's SCP-001 Proposal ("The Gate Guardian")
  • Attack of the 50-Foot Whatever: It's 700 cubits tall, that's 1050 feet (or 320 meters).
  • Badass: Comes with being one of the Cherubim. It doesn't even need to move to completely obliterate things. It kinda needs to be if it wants to effectively guard the gates of Eden.
  • The Dreaded: When a creature's so powerful that even Able refuses to fight it, you know it counts as this trope.
  • Light Is Good / Light Is Not Good: Depends on interpretation, but it could lean more toward good due to how it prompted the Founder to create the Foundation and contain so many dangerous entities and anomalies. It also violently terminated the researchers who killed a D-Class who refused to turn back.
  • No Name Given: Actually averted by implication. It's almost undoubtedly Jophiel, see Our Angels Are Different below.
  • 108: The angel is described as having up to 108 wings.
  • Our Angels Are Different: Specifically, a fiery Cherubim. It's heavily implied if not outright stated to be the Archangel Jophiel, who chased Adam and Eve out of Eden and took up the flaming sword to keep humanity out and implied by The Leak thread to be Dr. Clef (yes, it seems Clef proposed himself).
  • Playing with Fire/Flaming Sword: Has a sword which produces flames that are not only hotter than the Sun, but can completely remove whatever it hits from existence.

Dr. Mackenzie's SCP-001 Proposal ("The Legacy")
  • Alternate Universe: In his diary The Administrator claims to originally be from a parallel plane of existence that he calls an "alternate reality".
  • Dead Man Writing:
    • In one of the pages of The Administrator's diary it says "If you are in possession of — and reading — this document then I am probably dead."
    • The last page was written by someone who loved The Administrator in their original reality. They write "By the time you read this, I will already be dead."

Roget's SCP-001 Proposal ("Keter Duty")
  • And I Must Scream: The fate of many Keter-level SCPs due to their arranged containment procedures. In particular, SCP-682 is trapped inside SCP-296, a chamber of beings who determine whether or not those who enter are guilty and act out punishments they feel are appropriate. 682's punishment is that it's denied the opportunity to kill its captors, but also denied the ability to die.
  • Appendage Assimilation: The containment procedures for SCP-1055 (the ursine Animalistic Abomination that gets stronger, bigger, and more dangerous as more people know about it) involve putting it in with SCP-1048 (the adorable teddy bear that constructs copies of itself out of vile materials), respectively. Any 1055 growth is cut short when 1048 specimens violently maul it and use its flesh to make more of themselves.
  • Deep Sleep: SCP-122-1 specimens force SCP-990 into this to keep him anchored in the physical world and stop him from acting as a harbinger (and possibly instigator) of bad news in Foundation staff members' dreams.
  • Just Eat Gilligan: This is a scenario where the SCPs effectively neutralize the others of their kind. Literally applied in the case of SCP-058, the bovine heart-like monstrosity, which is placed within SCP-1983, a collective of entities that feed on hearts.
  • Laser-Guided Karma: The fate of SCP-682 in this scenario. It is imprisoned within SCP-296 which, in this incarnation, is composed of every staff member and Task Force agent murdered by the beast. See And I Must Scream
  • Power Limiter/Power Nullifier: The Keter-level subjects are imprisoned in a way that they either greatly limit or cut off their abilities. For example, SCP-689 (the tiny soapstone statue that kills when eye contact isn't maintained and then perches atop its victims' corpses) is imprisoned in a chamber of SCP-718 specimens (eyeballs that drive people to murderous rage and reproduce when the goo from their destroyed forms make more). Every so often, the 718 specimens look away, giving 689 a chance to murder one. However, this just makes more 718 specimens that use their sight and tendrils to nudge 689 back into place.
  • Riddle for the Ages: The details of SCP-579's and 055's containment ("Can't fit roud pegs in square holes"). Justified in that the former is an infohazard so dangerous that no-one — not even the reader — is allowed to know anything about it; and the latter is a "self-keeping secret" which no-one can learn anything about.
  • Sealed Evil in a Can: Of a sort, considering it's the proposed source of all Keter-level SCPs and all are kept in there.

S Andrew Swann's SCP-001 Proposal ("The Database")
  • Apocalypse How: Class Z.
  • Author Powers: SCP-001 are the authors of the SCP wiki, capable of completely rewriting reality if they want to do it.
  • Breaking the Fourth Wall: In the end, it concludes with the basic truth of the matter: But we found out that there is a God, and it is SCP-001. And it’s a bunch of horror writers.
  • Foreshadowing: The article outlines three (heavily censored, but left just enough to figure out the information behind them) containment operations perpetrated by the Foundation to cover-up the knowledge of SCP-001, hinting its true nature.
    • The first one is the seizure and capture of several internet short stories from the Internet.
    • The second one is the replacement of the script of the movie The Matrix; this foreshadows that SCP-001 is a force outside of the universe, like the relationship between Zion and The Matrix.
    • The third one is the failed neutralization of bestselling author Stephen King after the author submitted outlines for a new novel, The Dark Tower. This foreshadows that SCP-001 is the author of the universe.
  • Historical In-Joke: A rather dark one. It turns out that Stephen King's near fatal hospitalization was perpetrated by the Foundation to contain information about SCP-001, and the Foundation had originally aimed for outright assassinating him.
  • Rage Against the Author: The Foundation has a Containment Protocol ready to neutralize its own authors, although they don't plan to implement it. Yet.
  • The Fourth Wall Will Not Protect You: he Foundation had proposed Containment Protocol ZK-001-Alpha, in order to neutralize SCP-001 as a last resort. It involves inserting lethal memetic agents in the Foundation database, eliminating you, the reader of the Wiki.
  • Wham Line: "But we found out that there is a God, and it is SCP-001. And it's a bunch of horror writers."

SCP-008 ("Zombie Plague")

SCP-012 ("A Bad Composition")
  • Couldn't Find a Pen: People who look at it too long will be psychologically forced into trying to "complete" the song written on it. This almost always involves cutting themselves open to try and use their blood as ink, and then dying due to either blood loss or suicide (because the song is "impossible to complete").
  • Driven to Suicide: When a test subject managed to finish one line of the composition, the SCP caused them to committed suicide.

SCP-014 ("The Concrete Man")

SCP-017 ("Shadow Person")
  • Creepy Child: It has a similar anatomy to a child, but it is hostile.
  • Dark Is Evil: 017 is a shadow-being that will leap to anything that casts a shadow and completely envelop them.
  • Living Shadow: It resembles a shroud, but the Foundation has had no luck trying to find out what's underneath it.
  • Weakened by the Light: Not the light itself however. The reason 017's cell is surrounded by floodlights is to prevent 017 from using shadows to escape.

SCP-029 ("Daughter of Shadows")

SCP-030 ("Ariel")
  • British Accent/ What the Hell Is That Accent?: His voice is described as "androgynous, with a pronounced English accent not currently identifiable as specific to any modern region."
  • Major Injury Underreaction: Due to being made of clay, losing a limb is little more than a mild inconvenience for him as he can just stick it right back on.
  • Nice Guy: He's polite and helpful with foundation personnel.
  • Our Homunculi Are Different: He's known as "The Homunculus" and he's made almost entirely of clay.
  • Omniglot: He can speak , read and write in Ancient Greek, Latin, Italian, English, Spanish and Portuguese and even two languages that have not yet been identified.
  • Weakened by the Light: Inverted. He becomes inert when he's not exposed to a light source.

SCP-033 ("The Missing Number")
  • Science Is Wrong: Since we missed it, none of our mathematical formulas work with it. In fact, it causes anything related to mathematics to completely break down: Calculators, machine-printed paper, and the entire internet if it ever got online.

SCP-035 ("Possessive Mask")
  • Affably Evil: When in possession of a host, the mask is unfailingly polite and amiable to questioners. That said, like any good Satanic archetype, the mask is also seductive and manipulative, with its eventual goal being escape from containment. It also stops being friendly once it is denied host privileges, and starts trying to corrode or madden its way out.
  • The Corruption: Everything around it will decay and distort from its constant sludge or its telepathic whispering, from the specially alloyed containment chamber it is locked in to the minds of personnel assigned to guard it. Even its host bodies are not safe from its corrosive influence (to the entity's chagrin), and they all rot to uselessness after a few hours.
  • Cool Mask: An old style Italian drama mask. Whether it appears as a comedy mask or a tragedy mask to the viewer is random.
  • Covered in Gunge: Constantly emits a corrosive black slime from its eyeholes and mouth.
  • Demonic Possession: What the mask does when put on a wearer (a dummy will do as well as a human body), enabling it to speak and move about. Unfortunately for the mask, its power rapidly burns through hosts (and automatically kills living ones). It seeks to remedy this problem by possessing SCP-682.
  • Driven to Madness//Driven to Suicide: It can do this to people if they're exposed to its whispering for too long.
  • Evil Laugh//Giggling Villain: If its telepathic whisper-torment is anything to go by.
  • Make Them Rot: The physical danger of the mask and its main offensive ability.
  • Manipulative Bastard: Based on its psychological profile, the mask is skilled at flattery and guile, knowing the human mind inside and out.

SCP-040 ("Evolution's Child")
  • Black Eyes of Crazy: Subverted. While one of her eyes is black, she's not crazy.
  • Blessed Are The Cheese Makers: Her preferred pizza is a small pizza with extra cheese and cheese stuffed crusts.
  • Creepy Child: Although, its more due to her powers than her behaviour. That, and she does keep mutants as pets.
  • Genki Girl: This tale describes her as a "maelstrom of energy".
  • Green Thumb: She can manipulate plant matter, but she has more difficulty with it.
  • Ill Girl: See Squishy Wizard. Also in her interview log, she's getting over a cold.
  • Instant Costume Change: Her main article of clothing is SCP-040-1a, a shape-shifting sweater that changes into different types of clothing depending on the environment.
  • Living Gasbag: SCP-040-1c is a spherical creature that can fly using bladders filled with helium.
  • Lovecraftian Superpower/LEGO Genetics: She can manipulate organic matter, i.e. induce mutations at will.
  • Necromancer: She once resurrected a corpse, but it had the mentality of a child and she was quite upset by it
  • Nice Girl: She's polite and genial with personnel and generally a sweet girl despite her creepiness.
  • No Name Given: Not on her main article, although according to this tale related to the "Olympia Project", her name is "Emily".
  • Performance Anxiety: She suffered from this in the experiment log.
  • Pet Monstrosity: Instances of SCP-040-1 are normally this. She's allowed to keep three of them for her mental wellbeing.
  • Picky Eater: She doesn't like peas, but does like green beans.
  • Powered by a Forsaken Child: In a sense. She was one of the SCP items used during the Olympia Project (a project to attempt to create an Artificial Human using several SCP items for the Foundation's benefit) where she was to manipulate the raw materials intergrated to bring it to life.
  • Retcon:
    • An older version of her used to have telepathy which she couldn't fully control, but it was removed for obvious reasons.
    • She was also implied to have a crush on an older version of SCP-182, who was a benevolent teenaged telepath, and spoke to him via each other's respective telepathy. While that might've seemed cute at the time, it would be quite squicky now considering SCP-182 is now a middle-aged deaf and mute man who can transfer his consciousness to other people and effectively "ride" them.
    • SCP-040-1j used to be a chair with a mouth, now it's a blue and pink furred quadruped with no eyes or ears that 040 likes to use as a stead.
  • Rose-Haired Sweetie: She has pink hair, which is implied to be a result of her powers. It's very brittle and falls out constantly. She's also quite sweet.
  • The Symbiote: SCP-040-1a is described as such and feeds on the nutrients in SCP-040's blood stream.
  • Squishy Wizard: In a sense, her skin is very sensitive and fragile, her hair falls out constantly and she's blind in the aforementioned black eye.

SCP-042 ("The Formerly-Winged Horse")
  • Broken Angel: It's a Pegasus with amputated wings.
  • Driven to Suicide: It tries to kill itself through various means from refusing to eat to "pleading" to personnel to put it out of its' misery.
  • Pegasus: Albeit a physically disabled one.

SCP-049 ("Plague Doctor")
  • Affably Evil: When he speaks, he is rather polite and well mannered.
    • Obliviously Evil: He also doesn't seem to realize that his actions do more harm than good. He genuinely believes that he's the only one who can stop the plague, even though said plague is no longer a threat.
  • Ambiguously Human: The plague doctor outfit is part of his body, for one thing.
  • Evil Brit: He was first captured in England and his voice in SCP Containment Breach has a British accent. The "evil" part might be in question, though.

SCP-053 ("The Young Girl")
  • Abusive Parents: Her father's journal reveals that even her parents were consumed by her Hate Plague and wanted her dead.
  • Admiring the Abomination: Has become very fond of SCP-682, even crying when they were separated. When photographed with a camera that would show what she wished she was doing at that exact moment, it showed her riding on his back through the countryside.
  • Berserk Button: Anybody older than three who make eye contact with, physically touch, or remain around SCP-053 for longer than 10 minutes will attempt to kill her, after killing or driving off everybody visible to them.
  • Conditioned to Accept Horror: Since many attempts on her life are so common due to the Hate Plague, she sees that as a normal part of her life.
  • Creepy Child: See Humanoid Abomination below. She doesn't seem to let it get her down, though.
  • The Diaper Change: Certain unruly foot soldiers were once threatened to be put on diaper duty for her.
  • The Fake Cutie: Subverted in the sense that she is genuinely as sweet and innocent as she acts, but played straight in the minds of those subjected to her effects.
  • Fluffy Tamer: An experiment placing 053 in contact with 682 ended with 682 being drawn on with crayons.
  • Good Thing You Can Heal: SCP-053 will regenerate almost instantaneously from any wound, regardless of severity.
  • Hate Plague: See Berserk Button above.
  • Humanoid Abomination: 053 is actually a sweet child, but with her power and fact that 682 is docile toward her, it's clear that there's something really wrong here.
  • Morality Pet: She's more or less this to SCP-682.
  • No Name Given: Actually, her name is mentioned in this recovery log. It's "Abby".
  • Obliviously Evil: She's completely unaware of the effects she has on other people.
  • Really 700 Years Old: Here's Gears' own words.
    When I first conceived 053 (no pun intended), I thought of her as unchanging and unchanging. To me, she is something that looks and acts like a little girl. What that is, I have no idea… maybe she's something very, very old, and the reaction people have is some kind of genetic imprinting that says this thing has to die ASAP. Some food for thought…
  • Would Hurt a Child: Anyone over 10 except SCP-682 who spends 10 minutes with her will want to kill her. Unfortunately, anyone who does harm her is killed near-instantly and she will heal all the injuries inflicted on her.

SCP-054 ("Water Nymph")
  • Beware the Nice Ones: While she's normally rather friendly, there was a point where she [DATA EXPUNGED], which injured two researchers putting an end to the experiments.
  • The Cutie/Break the Cutie: She was once a cheerful and friendly entity. The experiment in the past leave big mental scar on her.
  • Does Not Like Men: Since most of the previous experiment staffs are men, she exhibited signs of mistrust and aggression around male personnel now.
  • Elemental Embodiment/Making a Splash: Her whole body is made from water.
  • Shape Shifter: Since she's made of water she can take on any shape she wants, usually members of personnel for the lolz.

SCP-055 [unknown]
  • Exact Words/Loophole Abuse: While no-one can remember what it is, people can remember what it is not. For example, it's definitely not a sphere.
  • Incredibly Obvious Bug: It's been theorized to be this... and there's nothing the Foundation can do about it.
  • Nothing Is Scarier: Not only does no-one know what it is, no-one can know what it is. Illustrated here:
    The thing can't be remembered, not even indirectly, except for what it isn't. It isn't alive. It isn't safe — oh God, it's not safe! And it isn't contained... And Jim doesn't remember very much of his recent history.
  • Perception Filter: Its entire existence causes this, with a dose of Laser-Guided Amnesia after the fact.
  • Running Gag: There's an 055?

SCP-056 ("A Beautiful Person")
  • The Ace: Deconstructed. His perfection causes everyone to hate him because he's pretty much designed to be better than everyone.
  • Anything You Can Do, I Can Do Better: His forte; when in contact with... well anything, he immediately transforms into a superior version of that thing.
  • Beauty Is Bad: He's very beautiful but very self-absorbed.
  • The Faceless: It's impossible to see his "natural" form through any known means. For example, if you try and look at him through a video camera recording, he'll just turn into a superior version of said camera.
  • Faux Affably Evil: Maybe not "Evil" though. He acts all polite, but is a massive narcissist.
  • Hello, Nurse!: When around anyone of either gender who is considered conventionally attractive, he tends to take on a form that's even more attractive.
    Ten (10) Class D Personnel, all male, intending and carrying nothing. (Subject appeared as a beautiful woman, dressed in a low-cut red dress. After approximately ten minutes, all personnel began showing signs of irritation, and five minutes later broke out in fighting. Subject waved them away after watching them for seven minutes.)
  • Humanoid Abomination: Probably, although, compared to most abominations in Foundation custody, he's pretty tame.
  • Insufferable Genius: All the time.
  • Involuntary Shapeshifting: Although it doesn't seem to bother him. He actually seems to like it.
  • Narcissist: Oh so much. At one point, he got a computer and started spilling secrets about the Foundation all over the internet simply because he "wanted the whole world to know his face".
  • No Biological Sex: More like "Variable Biological Sex"; he can appear as a man or a woman (or an animal or object) depending on who he meets. He's referred to as male because his most common form (mimicking his guard) is male.
  • Not So Harmless: He's mostly just an annoyance, but remember that he's the one who killed SCP-151-D, and he turned into something that killed twenty-seven people (seventeen of them field agents) before being contained. It's been stated that the Foundation refuses to use him on SCP-682 because they're convinced that all he'll do is turn into an even deadlier version of it.
  • Pretty Boy: His most common form.
  • The Scrappy: He becomes this in-universe when anybody spends enough time with him.
  • Screw the Rules, I'm Beautiful!: Invoked, somewhat. It's implied that he was able to charm someone in the Foundation to give him somewhat more lax containment procedures.
    SCP-056 is to be kept in a room of its choosing, with whatever furnishings it expresses desire for.
    The subject is to be allowed access to any object it desires, with the exceptions of weapons, communication devices, an internet connection, and other SCP objects.
  • The Sociopath: He doesn't seem to care about anyone but himself.
  • Your Mind Makes It Real:
    • It is believed that he has no natural form and his very existence is dependant on perception.
    • Another, less popular theory, is simply You Cannot Grasp the True Form.
  • 0% Approval Rating: Everyone who interacts with him ends up hating him.

SCP-058 ("Heart of Darkness")

SCP-065 ("Destroyed Organic Catalyst")
  • Nice Job Breaking It, Hero: The GOC's attempts to destroy a figurine that a farmer was using to boost crop yields had this effect.
  • 108: SCP-065 is a spherical area that causes bizarre effects in living tissue. When it was originally created it had a radius of 108 meters.

SCP-070 ("Iron Wings")

SCP-071 ("Degenerative Metamorphic Entity").

SCP-073 ("Cain")
  • Artificial Limbs: His arms, shoulder blades, legs and spinal cord. He's bordering on Cyborg.
  • Attack Reflector: He has an ability similar to this. When a person inflicts injuries on him, that person receives the injury, leaving Cain unharmed.
  • Blessed with Suck: Although he is invulnerable, he still he feels the pain of all injuries inflicted on him.
  • Cain and Abel: He's the Cain. Notably, 6,000 years of cursed life has reversed his role; he's now more of an Abel than Abel himself (see below).
  • Creepy Monotone: He's described as being cold and somewhat mechanical in his speech.
  • Make Them Rot: He withers all plant matter in a small radius arounds himself.
  • Mundane Utility: The organization has an immortal, indestructible person with a photographic memory. They decide to use him as a backup data storage system.
  • Nice Guy: The opposite of what one would expect of someone based on the first murderer.
  • Nigh Invulnerable: Due to his reflecting back all damage.
  • No Sell: Any damage done to him will simply appear on the person who attempted to harm him; relates to the Biblical Mark of Cain, which prevented people from killing him.
  • The Omniscient: He knows a lot about historical events and can speak commonly spoken languages fluently. Having a photographic memory also helps.
  • Photographic Memory: Another of his notable traits, such that the Foundation uses him to back up records.
  • Real Men Eat Meat: Due to his effect on vegetation.
  • Secret Keeper: The SCP Foundation is using him as a living data storage system.

SCP-076-2 ("Able")
  • Big Eater: His choice of pizza is a large, thick crusted one topped with meatballs, pepperoni, bacon, Canadian bacon, sausage, & hamburger. That's quite alot of meat on a large, thick crusted pizza.
  • Blood Knight: He considers the battle against 682 "the best fight he had had in ages". So good that he wanted to celebrate with his team.
  • Blue and Orange Morality: This is the result of the psychological testing done on him.
  • Cain and Abel: He's the Abel. Notably, 6,000 years of undeath has reversed his role; he's now more of a Cain than Cain himself (who is also an SCP; see above).
  • Canon Sue: Invoked. Able is explicitly as stu-ish as you can go without being considered a Marty Stu, and you are not allowed to add an SCP more stu-ish than him. It's called the "Able line".
  • Deconstruction / Fridge Brilliance: Able has no interests beyond killing people, is perpetually bored, can summon weapons out of an apparently unlimited space and respawns upon death. He is a videogame player character.
  • Flight, Strength, Heart: Inverted. His "oddball minor power" of animal husbandry is the only one that has any actual explanation. It's all his major powers and skills that don't really seem to belong.
  • Godzilla Threshold: Back before he rebelled, the Foundation would often deal with particularly dangerous entities by throwing him at them.
  • Hammerspace: He has the ability to pull non-reflective black bladed weapons out of a miniature dimensional rift described as a "small hole in space". The instant the weapon leaves his grasp, it vanishes.
  • Implacable Man: It takes a lot to even stagger Able, let alone incapacitate him.

SCP-079 ("The Old AI")
  • A.I. Is a Crapshoot: Though given it "woke up" stuck in a crappy computer that its creator had abandoned, then got caught trying to upload into something better, one can hardly blame it for being angry about its condition.
  • I Just Want to Be Free: Something it repeatedly requests.
  • Laser-Guided Amnesia: Its hardware, at present, can only retain short-term memory for a little over a day and a half, though it always remembers its desire to escape and, strangely, Able and 682 (it perhaps sees these two as tools for escape, given it encountered them during a breach).
  • Odd Friendship: It becomes good friends with 682, of all things, and repeatedly asks to see him again.

SCP-082 ("Fernand" the Cannibal)
  • Bad Liar: He will lie at random when asked who he is or details about his life. Humorously, he never talks without keeping his teeth clenched, so that "I only lie when it's through my teeth!"
  • Blue and Orange Morality/Obliviously Evil: He's friendly enough but seems to not grasp that eating people is wrong.
  • Cannot Tell Fiction from Reality: Depending on the fiction. He knows Frankenstein isn't real, but thinks Silence of the Lambs is.
  • Cloud Cuckoo Lander: Frequently insists that he's a different person on an irregular basis, including Alexander the Great, Big Bird, The Hulk, and most recently, the King of France.
  • Creepy Crossdresser: Among his many outfits are women's clothing. Given his freakishly proportioned body, they probably don't make him any less ugly.
  • I'm a Humanitarian: He's called "Fernand the Cannibal" for a reason.
  • Psychopathic Man Child: Fernand is an aloof and carefree individual who loves cooking, singing, dressing up, and randomly devouring people at the drop of a hat.
  • Sarcasm-Blind: He doesn't grasp sarcasm, parody, or fiction in general (he has even expressed a desire to meet Hannibal Lecter).
  • Stout Strength: He's muscular and overweight.

SCP-085 ("Cassy")
  • And I Must Scream: Downplayed. She never seems to make a big deal out of it, but her situation does leave her feeling very lonely.
  • Art Initiates Life: Her origin.
  • Art Shift: If she transfers on to a painting, her body will take on that painting's style. (In a meta sense, Cassie used to be an anime-styled drawing, until the artist requested it to be taken down.)
  • Big Brother Instinct: The Foundation seems to have a collective one toward her. For example, it's stated that anyone caught intentionally causing harm to her will be demoted to Keter duty.
  • The Cutie: Admit it. You want to give her a hug.
  • Everyone's Baby Sister: The Foundation in its entirety is startlingly protective of her.
  • Medium Awareness: Deconstructed. Her being aware of her medium has led to her having a severe existential crisis.
  • Morality Pet: Could be seen as one for the entire Foundation.
  • Nice Girl: She's a total sweet heart.
  • Pet the Dog: The Foundation's treatment of her is better than most other sentient SCP's, even when they're also harmless.
  • Pinocchio Syndrome: She wants to be real.
  • Plucky Girl: She's described as amicable and motivated.
  • Speech Bubbles: She can communicate with these if she transfers onto a comic book.
  • Tomboy with a Girly Streak: She wears a summer dress, but also likes exercise and working on cars (see below).
  • Wrench Wench: She assembled a 1964 Ford Mustang from parts she found in a design document. In addition, when her picture was taken with SCP-978, her strongest desire was shown to be working on cars as a real human.

SCP-087-1 ("The Face")
  • Adaptation Expansion: The video game gave it giant hands.
  • Alluring Anglerfish: The interpretation taken by one tale.
  • The Blank: Inverted, the face is the only thing you see of it.
  • Eldritch Location: It resides in an impossibly deep staircase that goes on and on and on for a few kilometers and over 450 landings. No one has ever found the bottom end of the staircase.
  • Humanoid Abomination: One of the theories and stories on what the creature is, is a predatory monstrosity in the guise of a child, mimicking the cries of one to lure unwitting rescuers to their deaths.

SCP-093 ("Red Sea Object")
  • After the End: The world accessible by SCP-093.
  • Alternate History: Links to an alternate world where outside intervention resulted in the creation of a theocracy with technology much more advanced than ours.
  • Apocalyptic Log: All of the recovered notes are this, but the last one has to be seen to be believed.
  • Assimilation Plot: The Unclean are the result of this.
  • But What About the Astronauts?: The only people who survive SCP-093's end of the world are up in space. They're waiting for the world to be purified.
  • By the Eyes of the Blind: The "unclean" infesting the SCP-093 world can be seen on camera, but not by people exploring it. This is because they're really the "ghosts" of the people absorbed inside, which can only be seen by machines or those affected by His Tears, and through which they can communicate.
  • Cosmic Horror Story: There is no happy ending in that universe, and it seems unlikely that there will ever be.
  • Eldritch Abomination: Whatever was responsible for destroying SCP-093's alternate world. It turns out it can pass on to other worlds too, including our own.
  • God Is Evil: Said Eldritch Abomination is basically outright stated to be God. If not a god-like being posing as the Christian God to enslave mankind.
  • Heroic Sacrifice: The agent who wrote the last report destroyed his SCP-093 and sent it back into the mirror to attempt to stop the Eldritch Abomination from reaching our world, leaving him trapped in the alternate universe.
  • Holy Is Not Safe: You don't say.
  • Humanoid Abomination: The Unclean, the zombie-like creatures inhabiting SCP-093's world.
  • Imported Alien Phlebotinum: "His Holy Tears" in SCP-093's world, which was used to cure people of anything, even adultery. It eventually turns people into the most horrifying sort of zombie imaginable.
  • One Password Attempt Ever: In the "Violet" test the Foundation team tries to log into a computer they find. The first attempt fails, after which the screen prints a message that the maximum number of attempts has been exceeded and the PC turns itself off.
  • Religious Horror: This is what would happen if God was an evil Eldritch Abomination.
  • Too Dumb to Live: The agent in the final report mentions doing a taste test on His Tears, then lampshades his poor judgement.
  • Wham Line:
    there was no war it was him him him him him IT. IT! it came from between the folds of time and space and worlds and light and dark something that is but should not be slipped in and called out to them as their god and they believed it and they tasted it and touched it and laid with it and became its property and did its will and IT IS STILL HERE
  • Zombie Apocalypse: A nasty example. Imagine, if you will, towering, lightning-fast monsters the size of skyscrapers with no faces or lower body. Then imagine End of Evangelion.

SCP-096 ("The Shy Guy")
  • Berserk Button: Looking at its face will send it into a rage. Hell, one of SCP-096's most damaging escapes was because a guy accidentally caught it in a picture, the creature's face only being represented by four pixels total.
    • Interestingly, the effect doesn't work with artistic renderings.
  • Blue and Orange Morality/Obliviously Evil: It isn't sentient and does not seem to be aware of the harm it causes. In fact, it's stated to be fairly docile as long as nobody's looking at its face.
  • Creepily Long Arms: Its arms are 1.5 metres long. For comparison, 096 is 2.38 metres tall.
  • Don't Look at Me!: Played horrifically straight. See Berserk Button.
  • Heroic Sacrifice: Dr. Dan had decided that 096 would inevitably cause a catastrophe, thinking that any introduction to a major population center might mean the whole world would be hunted. If any major or minor news network manages to get 096 onscreen, then it would hunt down every single person that catches a glimpse of it. Dr. Dan decided that he would purposefully construct a faulty method of looking at its face, just so that the Overseers would approve speedy termination of it... but Dr. Dan will be executed after due to his "mistake."
  • Humanoid Abomination: Its a tall, non-sentient humanoid creature with no hair or pigmentation in its eyes or skin, but does have a human voice.
  • The Juggernaut: Once someone looks at its face, nothing will stop it from killing them, not even a GUA-19 or AWACS plane. The Foundation put someone in a bathysphere eleven kilometres underwater in a deep-sea trench hundreds of kilometres away from SCP-096's containment site with a photograph and a sketch pad to get an artist's impression. It bought them an hour.
  • Lean and Mean: Its inhumanly tall and appears to be malnourished.
  • Lightning Bruiser: Able to cross hundreds of kilometers in an hour and take the brunt of missiles and a minigun without much hassle, if any.
  • Muscles Are Meaningless: It has very little muscle mass yet can smash its way through virtually anything.
  • Perpetual-Motion Monster: It will not stop until it's killed SCP-096-1.
  • Schmuck Bait: Fulfills this role in Containment Breach. Just look at its face in its containment cell, I dare you.
  • Super-Persistent Predator: Not only does it know when someone is looking at it, be it through video feed or even just a photograph, but it knows the location of that person and will charge towards them regardless of their distance or how difficult it is to reach them.
  • Unstoppable Force Meets Immovable Object: It was one of the SCPs that the Foundation tried to kill SCP-682 with. After 27 HOURS of the two of them fighting, 682 was found with 85% of its body mass missing, and 096 was staring at it from the other side of the room in a Troubled Fetal Position.
  • Volumetric Mouth: Its mouth is 4x larger than a normal humans and it screams when someone looks at it.
  • Unstoppable Rage: It will go insane if you look at it's face, with your near complete reduction to survival rate and Cruel and Unusual Death following afterwards.
  • Why Did It Have to Be Snakes?: The Foundation attempted to get 096 and 682 to fight again after their aforementioned battle. Upon being introduced to 682, 096 would start screaming and clawing at its own face and wouldn't even make the attempt to engage 682, every single time. The reason for this is anyone's guess, but it says something about 682 when even 096 refuses to fight it.

    100- 199 
SCP-105 ("Iris Thompson")
  • Broken Bird: It's obvious that her confinement in the Foundation is depressing her. Besides her ability, she's just a normal girl.
  • Clear Their Name: She was accused of murdering her boyfriend.
  • Granola Girl: She shows signs of this considering she prefers healthy food, as seen on her choice of pizza from SCP-458.
  • Hair of Gold, Heart of Gold: Just as sweet as can be, with the hair to match.
  • Hello, Nurse!: She's often the subject of many personnel and humanoid SCPs affections in various tales. For better or worse.
  • Magical Camera/Portal Picture: She can turn photographs taken by her personal camera (SCP-105-B) into these. It's only limited to the photographs taken by SCP-105-B.
  • Motor Mouth: Her interview implies that she can be quite chatty when on a certain subject.
  • Nice Girl: Very nice, which makes her predicament all the more tragic.
  • Parental Substitute/Cool Big Sis: She acted as a sort of surrogate sister for SCP-239 before she was put into a coma.
  • Retcon
    • She used to be able to turn any photograph into a portal, but her ability was nerfed to only applying to a specific camera, probably to make it seem less like a "superpower".
    • She was also specifically aged at 18 but this was removed due to being unnecessary.
    • Her special containment procedures used to include her being allowed to wander the facility at her leisure like Cain, however this was changed due to the security risks. Although, she is still allowed socialization privileges with approved site personnel as a reward for good behaviour.
    • One part of her containment backstory had her temporarily escape SCP custody after a sympathetic researcher told her that if her power conveniently disappeared, the facility would have no choice but to release her. She is recaptured when the higher ups get wind of this and—realizing that her excuse was obviously untrue—force her to use her powers in front of them, take her back into custody, and fire the researcher who helped her. This got retconned twice: first, by having the Ethics Committee see through their trick and never release her, then by erasing the whole thing when the interview between Iris and the researcher was removed.

SCP-106 ("The Old Man")
  • Body Horror: It resembles a rotting, diseased corpse of an old man. Plus it makes its victims look like this.
  • The Cameo: His appearance in SCPokemon, by replacing an old man NPC who tell the player about catching Pokemon. Aside from invoking an Oh Crap! moment from Agent Bridge for Rule of Funny, it has no impact on the plot at all.
  • Cold-Blooded Torture: What it does to its victims when it drags them into its pocket dimension. The Old Man prefers to hunt, and will merely hobble his target before stalking and killing them.
  • Dimension Lord/Domain Holder: He has absolute control over his pocket dimension and those he's pulled into it.
  • Dirty Old Man: Has a taste for young people, between the age of early adolescence and late twenties. In Containment Breach, he sometimes comments that the player's hair "sMelLs sO nIcE". He also attempted to violently sexually assault a nurse in his backstory, resulting in her being partially blinded and maimed.
  • Evil Brit: Possibly as "Corporal Lawrence" appeared to be a British WWI solider with no identification papers, known relatives, or even a first name.
  • Evil Old Folks: Looks like one, anyway.
  • Evil Laugh: He does this when he captures the player. Sounds a bit like Bowser.
  • Hollywood Acid: The Old Man is dripping with a viscous, black fluid which eats through anything, even the 40 layers of lead-lined steel that lines its cell. The fluid is apparently meant to aid "digestion".
  • Humanoid Abomination: JUST LOOK AT HIM.
    • He might have been this from the very start as there was something very clearly "off" about him and his mere presence resulted in both extreme unease and outbreaks of minor illness. However, 106/Lawrence didn't pick up his modus operandi until he fell into a pit of black ooze.
  • Hunting the Most Dangerous Game: 106 enjoy toying with the player in Containment Breach, first by cutting their tendon to prevent them from running, then pursuing them in his maze-like dimension like Freddy Krueger.
  • Implacable Man: Along with SCP-173 in Containment Breach. Unlike the former, however, SCP-106 can be imprisoned again by sacrificing a redshirt to it. If you pass up that opportunity, 106 gets zapped by a containment field just as it's about to escape the complex.
  • Loves the Sound of Screaming: This is used to lure him back into containment if he breaches, using a male D-Class who's femur they forcibly break causing him to scream and attract 106.
  • Make Them Rot: He does this to absolutely everything he comes into contact with.
  • Maybe Magic, Maybe Mundane: In his backstory, it's suggested that even before he became the entity that is 106, he had a strange unsettling effect on the people around him, had no paperwork to explain his presence or apparent links back home, and illness seemed to strike everyone he was around. But it's never explicitly stated whether he was anomalous before becoming 106, or whether he was just an odd, creepy but otherwise normal loner whose paperwork got lost in the confusion of World War One and who was a frequent subject of rumours from superstitious comrades.
  • Perpetual Smiler/Slasher Smile: Seems to be because he doesn't have any flesh on his mandible. He did this when he was younger, too.
  • Plague Master/Walking Wasteland: Anything it touches corrodes away, which allows it to pass through walls. The lining of its prison has to be replaced regularly.
  • Pocket Dimension: Has one of its own.
  • Psychopathic Manchild: According to this tale, he treats hunting on Halloween like trick-or-treating, even sorting the bones of his victims like candy when he's done!
  • The Spook: His backstory reveals that while still a "man" he simply appeared out of nowhere in the WW1 trenches without any orders or paperwork to explain why he was there, nor did he have any correspondence with family or friends.
  • Vader Breath: In Containment Breach, he makes a deep growl-like breathing sound when chasing the player.
  • Was Once a Man: If this tale is any indication.
  • Weakened by the Light: It cowers away into its pocket dimension when it is subject to very bright flash.

SCP-110 ("Subterranean City")
  • Dead Man Writing: One of the documents found in the buried city was a note from the Chief Engineer. It begins "My name is Stephen Kolsnik. Rather, my name was Stephen Kolsnik. I will be dead by the time you read this." The life support for the city had been damaged and couldn't be repaired in the time they had left.
  • That Was the Last Entry: A note written by the Chief Engineer estimates that life support will last from 4-10 more hours. The last entry is a warning to not make the same mistakes the city dwellers did in trying to contain SCPs.

SCP-111 ("Dragon Snails")
  • Breath Weapon: They can breath fire, although its more as a warning than an actual weapon.
  • Cool Pet: Their intended purpose.
  • Imprinting: Hatchlings can imprint on humans who are nearby when they're hatched. This was done so they would obey their owners.
  • Instant Awesome, Just Add Dragons: The reason for their design.
  • Mix-and-Match Critter: Half snail, half dragon. Which may or may not be an allusion to the Lou Carcohl of French folklore.

SCP-126 ("Invisible Friend")

SCP-127 ("The Living Gun")

SCP-131 ("The Eye Pods")
  • Cyborgs: Implied to be considering they have little mechanical wheels.
  • Evil-Detecting Dog: If someone they've bonded to approaches an Euclid or Keter class SCP, they'll become panicky and swirl around the individuals feet to try and stop them.
  • Oculothorax: A rare benign example.
  • Punny Name: Well, nickname. "Eye Pods" is obviously a reference to iPods.
  • Ridiculously Cute Critters
  • Staring Down Cthulhu: They did this to 173, an action of which is justified because SCP-173 can't move when being observed & the Eye Pods never seem to blink.
  • Team Pets: They're free to roam around non-restricted areas, and the staff adore them. Though it's advised to not let them bond to you, as they may interfere with delicate work.

SCP-134 ("Stella")
  • Accidental Misnaming: The name "Stella" was given by a childhood development specialist, who suggested that proper childhood development requires a personal name. However, 134 is autistic, with patterned behavior and resistance to change, and already learned to associate being referred to by her SCP number by certain people. So she becomes upset when called with that name by someone who previously called her by her number.
  • Ambiguous Disorder: She's more or less stated to be autistic.
  • Black Eyes of Evil: Her eyes are pitch black due to being essentially windows to another point in the universe where star systems can be seen in low-light conditions. However the trope is averted in that she isn't evil.
  • Creepy Child: She certainly looks creepy, but she's pretty harmless.
  • Girls Love Stuffed Animals: She likes stuffed animals and is allowed eight of them.
  • Stealth Pun: She literally has stars in her eyes.

SCP-140 ("A Chronicle of the Daevas")
  • Artifact of Doom: It will use blood as ink if it has to.
  • End of the World as We Know It: Capable of causing an CK-Class restructuring of society. The Daevas are a separate subspecies of human who could take over the world if people keep giving the book liquids.
  • Fling a Light into the Future: What it seems to be at first.
  • Human Sacrifice: The Daevas loved it.
  • Reality-Writing Book: It is a book that chronicles the history of Daevite culture. Every time it gets more ink it will continue the history of the Daevas. New archaeological sites that correspond to this new history appear every time this happens. It is hypothesized if it gets enough ink, the book will manifest the Daevas into our current time.
  • Retcon: In-universe and overlapping with Cosmic Retcon due to the nature of the book. The book thus far has always ended with the Daevite civilization destroyed beyond repair, only for it to be retconned as a recoverable loss when someone provides it with more liquid. Originally, the book had the Daeva being destroyed in sometime in the 200s BCE. Now it records them as surviving until the early conquests of Genghis Khan, or the 12th century...
  • Sinister Minister: The Daevite theocracy indulged in cannibalism.
  • There Is Another: It is confirmed that there are an unknown number of copies of the book, possibly double digits, that exist and have not been accounted for and/or destroyed by the Foundation. Several expansion events have happened when the copy in Foundation hands was not exposed to any sort of writing, so other copies are still being fed, as it were.

SCP-143 ("Bladewood Grove")

SCP-148 ("Telekill Alloy")
  • Kryptonite Factor: Acts as this to mind-effecting anomalies. And, for some reason, SCP-239.
  • Organic Technology: It can grow.
  • Reimagining the Artifact: It was one of the most widely used items the Foundation had, so it was rewritten to have more downsides, namely the destruction of the ability to comprehend nonverbal cues and language with too much exposure.
  • Unobtanium: It was used for the containment of mind-effecting SCP items.

SCP-163 ("An Old Castaway")
  • Starfish Alien: Subverted mentally speaking. If you read past the technical details, you can see his psychology is very much similar to the human one. Physically however, he plays this trope completely straight. For example, his mouth is on his bottom and his anus is on the back of his head.
  • Super Strength: Averted. The strength of his "heavy manipulators" is bigger than, but comparable to, that of an average human.
  • Trapped in Another World: He crashed on earth several millenniums ago and was retrieved by the foundation. Its also clear in the experiment log that he misses his home world.

SCP-166 ("Teenage Succubus")
  • Anti Anti Christ: She's implied to be the daughter of Clef/Satan or a demon.
  • Horny Devils: Well, she's called a succubus. Downplay that she's chaste and faithful, and Word of God claim that her mother is actually a nature goddess.
  • I Ate WHAT?: She only gains sustenance by consuming human semen, though she can and does also eat other things, albeit without being able to derive sustenance from them.
  • Innocent Fanservice Girl: She's constantly naked due to her extremely sensitive skin.
  • Naughty Nuns: Though not of her own choice.
  • Pet the Dog: She invoked this trope twice to GOC. According to The Leak thread, her mother was killed by GOC, but they can't bring themselves to kill a baby. And later she was sent to the Foundation by former GOC member to protect her from his old comrades.
  • So Beautiful, It's a Curse: She's desired by all men (regardless of their orientation) to the point where they force themselves on her.

SCP-169 ("The Leviathan")
  • Big Creepy-Crawlies: Described as a massive aquatic arthropod.
  • Eldritch Abomination: A gigantic sea creature that is very old, very big and if or when it wakes up, nothing would be able to stop it. The only containment procedure is basically "Hope it keeps sleeping. And if it wakes up, hope it's friendly."
  • Kraken and Leviathan: More than large enough to fit under this trope.
  • Stock Ness Monster: A giant sea beast.
  • Turtle Island: SCP-169 is a sea creature 2,000-8,000 kilometers long that has spent at least the last few millenia just below the surface of the ocean. The rock-like plates protruding from it constitute an archipelago of islands.

SCP-173 ("The Sculpture")

SCP-179 ("Sauelsuesor")
  • Big Good: On a cosmic level, she and her "brother" (the SUN) are the most benign and helpful superpowered entities which the Foundation has encountered to date. In the universe of the SCP Foundation, that quality is vanishingly rare. Sauelsuesor is not classified Thaumiel for nothing.
  • Guardian Entity: For every sapient species living in (or around, or beside, or looking in) Earth's solar system, of which humans are simply one of the most talkative. She points towards incoming or active threats to life in the system, at times growing extra arms to point. When a threat is addressed by the Foundation, she will nod, and then put the arm down.
  • Meaningful Name: A rather obscure one; her name means "the sister of the Sun" in what appears to be ancient Indo-European.
  • The Needless: Floats in space just a few hundred miles below Sol, having no need for food, rest, or air.
  • Power Tattoo: A series of glowing alchemy symbols over her matte black body.
  • Rapunzel Hair: Over 34 kilometers long. In the SCP's discussion, the author has said the SCP herself is no taller than two metres.
  • Was Once a Man: Formerly a hunter-gatherer woman from prehistoric Earth. She also speaks fluent French.

SCP-182 ("Rider")
  • Disability Superpower: He claims that the incident that rendered him deaf and mute also gave him his powers.
  • Good Scars, Evil Scars: He has a scars on his abdomen and cranium, although he seems to be "good" or at least "on the Foundation's side".
  • Master of Illusion: He can force the people he's "riding" to suffer hallucinations.
  • Seeing Through Another's Eyes: Essentially, as well as all their other senses.
  • Sharing a Body: In a sense. He has the ability to transfer his mind to another person's body and perceive everything they do.
  • Retcon: An older version of him was a benevolent telepathic teenager who didn't age known as "Saint", but he was changed for a pretty obvious reason.
  • The Speechless: He is a mute.
  • Telepathy: Can use his ability in this manner.
  • That Was the Last Entry: An audio report by a guard details the mass hallucinations and killings caused by SCP-182's ability going out of control. It ends with the guard saying he was going to kill himself and then a gunshot.
  • Voice for the Voiceless: He uses his ability to communicate with people since he can speak telepathically to them.

SCP-183 ("Weaver")
  • Absurd Cutting Power: SCP-183 is a biological entity that creates monofilament wires that can cut through anything up to and including body armor. It uses the wires to kill animals so it can consume them.
  • Invisibility: SCP-183 is effectively invisible. The only evidence of its existence is the monofilament wires it creates.

SCP-184 ("The Architect")
  • Alien Geometries: After SCP-184 has been working for a while things inside the expanded areas start to get so strange that it drives people insane.
  • Bigger on the Inside: SCP-184 does this to any structure it's left inside, with the insides getting bigger the longer it's left there.
  • Bizarrchitecture: If it's left inside a structure for too long the newly created space ceases to be mere copies of the original structure and becomes really weird.
  • That Was the Last Entry: The Personal Log of Gordon Rivers tells how the title operative entered the temple altered by The Architect and searched for it. The last entries show that he was losing his mind. He disappeared and his log was found after the temple was destroyed.

SCP-186 ("To End All Wars") .
  • Body Horror: The weapons the soldiers were given did things like causing tumors to rapidly grow and forcing victims to stay alive even after half of their heads had been blown off.
  • Evil Versus Evil: Dr. Jean Durand and Mátyás Nemeş.
  • Humanoid Abomination: Whatever Durand and Nemes are, neither is human.
  • That Was the Last Entry: One of the documents is a letter written by one of the Russian soldiers. It tells of the horrible effects of the superweapons and ends with a statement that he will die once the soldier he will give it to has left.
  • War Is Hell: When the one known survivor is asked to take a letter for his comrades wife or girlfriend he jokes he might get a commendation for delivering mail from Hell. The other man wonders if he might be right.
  • Well-Intentioned Extremist: Dr. Jean Durand and Mátyás Nemeş, the creators of the anomalous weapons. Both of have the same goal of creating a world free of war, but do so in their own extreme ways. Durand aims to strike fear in all nations, deterring a war from happening, while Nemeş aims to conquer and unite the entire Europe, so that no war can happen again.

SCP-187 ("Double Vision")
  • Blessed with Suck: Her precognitive powers are a complete hinderance to her as she can't look at anything without seeing how it will end up and, considering where she is, that is almost always something bad and she's going insane.
  • The Ditz: She scored below average on an IQ test.
  • Eye Scream: She regularly attempts to do this to herself due to what she sees to the point where she has to wear padded mittens.
  • Seer: A unique example in that she sees things as they currently are and how they will be in the future simultaneously.

SCP-191 ("Cyborg Child")
  • Adult Fear: She was normal girl that was abducted and turned into a cyborg.
  • Back from the Dead: Her lungs, heart, and major blood vessels have been replaced with mechanical parts that can "restart" her bodily system after death.
  • Cybernetics Eat Your Soul: The experiment log (see below) seem to imply that she sees herself as a machine rather than a human being.
  • Cyborg: Hence why she's known as the "Cyborg Child".
  • Flawed Prototype: It's believed that she's simply a testbed for other subjects. Some of her modifications seem to be pointless. She's susceptible to injury and infection, and the modification leave her with impaired motor skills.
  • The Grotesque: Her hideous mechanical form and the fact that she was forcibly altered into said form makes it hard not feel sorry for the poor girl.
  • Shrinking Violet: The experiment log hint that she's this.
  • Sole Survivor: Other subjects were destroyed during the raid on the laboratory of her creator Mad Scientist.
  • Techno Wizard: Can perform some amazing feats when linked to a computer. She can draw perfect copies of photographs with MS Paint using only the pencil tool, copy and load the contents of a broken game disc onto a console and make a perfect run-through, and perform impossible video-enhancement techniques (from cop shows) using a normal program. The last one isn't perfect (she made-up license plate numbers for cars she could not identify, and substitutes Foundation staff for individuals she can't make out), but they're good enough that many on-site personnel were unable to tell they were the forgeries.
  • Troubled Fetal Position: Prefers to stay in this position out of comfort, thanks to all the haphazard machinery sticking out of her flesh.

SCP-194 ("Carrion Host")
  • Animalistic Abomination: They at first seem to be ordinary ravens, but their metamorphic abilities and possible psychic powers imply that there's something not quite right about them.
  • Creepy Crows: They're actually ravens, but the principle still applies.
  • Metamorphosis: A possible, horrifying subversion. The description implies that there are methods of reversing the transformation, but they're all fatal.

    200- 299 
SCP-204 ("The Protector")

SCP-208 ("Bes")

SCP-212 ("The Improver")
  • Auto Doc: SCP-212 is a medical device with three large robotic arms. When anyone gets too close to it it grabs them and starts performing bizarre surgical procedures on them.
  • Body Horror: This device performs bizarre surgical procedures on its victims that leave them worse for wear. Changes have included replacing teeth with sharp blades, replacing feet with pads, and replacing hands with tentacles or crab claws.

SCP-216 ("The Safe")
  • Bag of Holding: Each time SCP-216 is opened using a different combination its interior is different as well. There are 10 million possible combinations to open it, so it could have up to 10 million possible interiors to store things.
  • Year Outside, Hour Inside: Two experiments indicate that time does not pass inside the safe while the door is closed.
    • In one experiment an ice cream bar was placed inside the safe and the door closed. Three hours later it was taken out again. It had not melted at all during that time.
    • In another experiment an operating videocamera was placed inside the safe and the door closed. After some time the door was opened again and the videocamera removed. When the tape was played it showed that no time at all passed between the door being closed and opened again.

SCP-217 ("The Clockwork Virus")

SCP-224 ("Grandfather Clock")
  • Brown Note: When the clock chimes, anyone in range of the sound will undergo Rapid Aging.
  • Rapid Aging: When SCP-224 chimes it causes time to speed up in the surrounding area, sometimes causing people within range of the sound to age up to several years in a short time.

SCP-229 ("Wire Weed")
  • Kill It with Fire: Because of SCP-229's nature (a mass of power lines and cables), incineration is recommended as the best way of destroying it.
  • Silicon-Based Life: Foundation scientists have tentatively identified SCP-229 (a mass of wires and electrical cables) as a form of silicon-based life.

SCP-230 ("The Gayest Man Alive")
  • Asexuality: He doesn't use "gay" to refer to his sexual orientation, and in fact does not express sexual desire at all. This is probably because of Compound-███ making everything pleasurable to him.
  • Psycho Serum: Compound-███, in addition to the very high euphoria levels it induces, has some pretty nasty side effects.

SCP-231-7 ("Special Personnel Requirements")

SCP-232 ("Jack Proton's Atomic Zapper") .
  • Logic Bomb: In the Interview Logs, one of the test subjects became convinced that they were a robot. When the interviewer asked them to answer a paradoxical question, the victim started acting very confused and then slumped over and stopped responding.
  • Mind-Control Device: Within 30 seconds of picking up a powered SCP-232, the person doing so will start to talk like a character in an old science fiction novel series. If they're familiar with the series they will believe that they're a character in it.

SCP-237 ("Modern-Day Pygmalion")
  • Mook Maker: Many of them have been made into Foundation personnel.
  • Otaku: Given many of the homunculi he creates are of popular manga/anime characters.
  • No Name Given: It's there but it's censored out.

SCP-239 ("The Witch Child")
  • Arch-Enemy: Of Dr Clef. Maybe. It's implied he may have accidentally influenced her into thinking that he might kill her, and since she warps reality based on her beliefs...
  • Charm Person: Her powers can be implemented in this way, converting people into her "friends".
  • Child Mage: One of the ways the Foundation tried to control her was by convincing her that she was actually a Witch, hence why she's known as "The Witch Child", and that she was unable to use her powers without the aid of a specially-created spellbook. This, sadly, no longer works.
  • Creepy Child: Although not malevolent.
  • Deep Sleep: She's to be kept in a medically induced coma until further notice.
  • The End of the World as We Know It: A possibility, if she starts becoming malevolent, and one of the reasons why she is still in a coma.
  • God: One of many theories. Of course, it's one of Clef's theories.
  • Glowing Eyes of Doom: Her eyes emit a previously unknown but classified form of radiation. In low concentrations, the waves are harmless, but if concentrated can break down matter on a subatomic level.
  • Goo Goo God Like: She's incredibly powerful and dangerous, but she doesn't even know it.
  • Little Miss Almighty: Deconstructed.
  • Mike Nelson, Destroyer of Worlds: The reason for her Keter classification despite being non-malevolent.
  • Nice Hat: She was given a witch's hat to further strengthen her belief that she's a witch.
  • Nice Girl/Not Evil, Just Misunderstood: Despite being Keter-class, she wants to be a "good girl" but her power makes her too dangerous and too difficult to control.
    • Just to prove how not evil she is, she brought a dead bird back to life because its chicks were crying for it.

SCP-252 ("Humboldt Squid")
  • Combat Tentacles: This small squid can use Mass Hypnosis to cause anyone looking at it to see it as a giant monster with up to 200 limbs, including suckered tentacles up to 5 meters long.
  • Mass Hypnosis: SCP-252 is a squid up to 1 meter long. It can rapidly change the colors of its skin, hypnotizing anyone looking at it and causing them to think it's a giant monster up to 75 meters long.

SCP-261 ("Pan-Dimensional Vending")
  • Alien Lunch: The things dispensed by SCP-261 are presumably snack foods from various other universes and dimensions. Most of them are edible and some even delicious, but some of them have horrifying effects on human beings, such as the can of "Prangles" that compelled the test subject to eat the never-ending supply of chips from the can until she fell over and died.
  • Berserk Button: Don't give it counterfeit money. It always knows, even when the forgery is perfect. Oh, and don't try the coin-on-a-string trick. Last time that happened, people died. Finally, don't play with its "coin reject" button.
  • Bigger on the Inside: Some of the items dispensed by SCP-261 have this quality.
    • A straw contained more Dr. Pepper than was physically possible - as much as a full sized bottle.
    • A tube contained an infinite amount of "Prangles" potato chips.
  • Deadpan Snarker: Some of its outputs can be considered this. For example, giving it "B yen", the military currency used in US-occupied Okinawa will cause it to dispense nothing but things that are related to American fast food. Other examples include dispensing literally half a Coca-Cola can for giving it literally half of a 100 yen note.
  • Flipping the Bird: Giving it fake money resulted in it dispensing gummy hands with this gesture. They were made of cyanide.
  • It Can Think: While at first simply seeming like a vending machine that can give you food from across the multiverse (among other things) it has become clear that the machine has some form of intelligence, along with a sense of humor, and, most dangerously, limited patience. As mentioned above, putting counterfiet money into it resulted in cyanide gummies, though other instances include:
    • Dropping a live grenade after one-too-many instances of the "coin on a string" trick. As mentioned, people died showing this machine has no qualms about ending you if you piss it off.
    • Accepting thousand year old Japanese coins... and dispensing thousand-year-old Japanese rice.
    • Apparently being aware of its testers' thoughts; after dispensing several more bizarre (and harmful) snack items, a researcher suggested that the machine was being "tired out" by all the testing. The next day, the machine promptly dispensed normal items again.
  • Let's Meet the Meat: One item it dispenses is a pack of "Eetmees", Ugly Cute crab-like critters with dewy eyes and high-pitched voices that cheerfully beg you to eat them. Not only do they not mind being eaten, they'll force themselves into your mouth and scream joyfully as they are chewed into bits and swallowed.
  • Money Fetish: A picture taken of it with SCP-978 showed it buried in an ocean of yen coins.
  • No Snack For You: Subverted. If you put in Japanese yen, it will always give you something. That something, however, is not always safe for humans to eat, or even safe period.
  • Rainbow Motif: One of the items provided by SCP-261 was a flashlight with 6 lenses, each a color of the rainbow (with indigo being the color missing). When the flashlight was used to shine light on someone, they tasted an appropriate flavor: Red (cherry), Orange (orange), Yellow (banana), Green (lime), Blue (blueberry) and Violet (grape).
  • Shout Out: One item it dispensed was a white cake in a box labeled "TASTE ME". When eaten it increased the subject's size by 7 inches and their mass by 13.6%. This is a reference to Alice's Adventures in Wonderland, in which Alice ate a cake with "Eat Me" written on it and grew to tremendous size.
  • Stealth Insult: During one testing, it was given 100 yen instead of the usual 500. It provided a suppository, essentially telling the staff they could shove it up their ass for being so cheap.
  • Stealth Pun: The pyramid-shaped candies that reportedly taste like chalk. Testing reveals that they contain roughly the recommended daily intake of nutrients. In other words, they're food pyramids.
  • Vengeful Vending Machine
    • While not vengeful, per se, it gets very passive-aggressive if you try to give it something that isn't genuine Japanese currency. For example, one experiment involved giving it a counterfeit 500-yen coin. SCP-261 responded with toxic gummi-bears shaped like a human hand with middle finger extended.
    • In a more humorous tone, when someone tried to slip in an "I. O. U. 500 Yen" note, it responded with an empty popcorn bag containing the note "I. O. U. 41 popcorn kernels". And true to its word, the next time someone put in 500 yen, it spat out exactly 41 popcorn kernels...without the bag. It was a bit of a mess.
    • Hitting the coin return produced a zero-value coin, then a note telling the user to stop when this was repeated. Using the zero-value coin produced a lunch utterly devoid of taste, nutrition, texture, or really anything else. The test-subject who ate it said it didn't fill her up at all.
    • After several attempts by an agent to use a coin and string trick to avoid actually paying, 261 dispensed a live and armed grenade, which detonated with casualties.

SCP-278 ("A Large Mechanical Spider").
  • Spider Tank: SCP-278 is a giant mechanical vehicle in the shape of a spider, made of steel, iron, and banyan wood. It can be piloted by humans using mechanical controls. It is also capable of moving around on its own.

SCP-280 ("Eyes in the Dark")
  • Creepily Long Arms and Creepy Long Fingers
  • Fog Feet: Described as having smoke where its legs should be.
  • For the Evulz: Subverted; it rips people apart for absolutely no reason, but it also does not appear to be sentient, so it's unlikely to be acting out of real murderous intent.
  • Humanoid Abomination
  • Living Shadow: Not quite, but it resembles one; it's even compared to a shadow by most witnesses.
  • Muscles Are Meaningless/Super Strength: Not only does it tear people apart with its bare hands, but it can pull apart steel with no sign of stress.
  • The Needless: It doesn't eat, drink, breathe or sleep. Why it rips people apart is anyone's guess.
  • Spider-Sense: It can sense when a human is nearby.
  • Super Smoke: It resembles a mass of black smoke.
  • Weakened by the Light: It's weakened by light, and if someone shines a lot of light on it, it pretty much teleports away.
  • Would Hurt a Child: Many of the people it messily ripped apart were children, although one account notes an exception; a nine-year-old boy was found to be the only survivor of a house that was visited by an instance of 280 while he was invited for a sleepover. All the residents of the house had been gruesomely torn to shreds, but this boy was apparently smart enough to shine a flashlight at it, causing it to disappear. He was less than okay, though.

SCP-284 ("The Twins")
  • Creepy Twins: Although they're quite harmless, hence why they are Safe-class.
  • Half-Identical Twins: 284-1 is a girl, 284-2 is a boy.
  • Hive Mind: They both share half of a brain between them. each half is 50% larger than normal so they fill the entire cranium as a normal brain would.
  • Single-Minded Twins: Literally, see above.
  • Twin Telepathy/Synchronization: What ever thoughts or sensations one of them experiences, the other will feel as well.
  • Vague Age: Their DOB is censored, but the heights given for them imply that they are at least teenagers.

SCP-288 ("The "Stepford Marriage" Rings")
  • Brainwashed: A person wearing one of these rings is brainwashed into acting like a perfect wife or husband.
  • Emotion Control: When an appropriate woman wears one of the "female" rings, she displays very few (if any) negative emotions.
  • Mind-Control Device: When a man or a woman who is in a relationship puts on the ring appropriate to their sex, they start acting like an idealized 1950's U.S. version of themselves. Women start acting like perfect housewives, including performing domestic skills like an expert. Men act like an idealized husband, including being a hard worker and good with kids.

SCP-290 ("The Picasso Machine")
  • Body Horror: After a person enters SCP-290 it relocates their limbs and facial features to random parts of their body, but without affecting functionality. It also changes their internal organs, blood vessels and nerves to support the body parts' new locations.
  • Healing Factor: While a person is undergoing bodily reconfiguration inside SCP-290, it grants them rapid healing as part of the process to repair the harm it causes them.

SCP-294 ("The Coffee Machine")
  • Defense Mechanism Superpower: It can apparently provide drinks that temporarily endow its drinker with skills that they don't normally possess. This only occurred once (during a containment breach), and cannot be reproduced, leading to speculation that it can only do this when in danger itself.
  • Driven to Suicide/Seen-It-All Suicide: This happened to one subject who ordered "The Perfect Drink" from the Machine.
  • Gargle Blaster: Some of the liquids it dispenses can be this.
  • Insubstantial Ingredients: It will even comply with requests for abstract concepts. One researcher asked for "a cup of music", and received a clear, sparkling, vaguely alcohol-tasting fluid that allowed the drinker to dance with an impressive amount of fluidity. Another researcher asked for "his life story", and received a dark, viscous liquid. After drinking it, the researcher locked himself into his room, not emerging until 48 hours later, 538-page autobiography in hand. The Defense Mechanism Superpower stated above was when a desperate researcher asked it for "a cup of pertinent medical knowledge" so he could save his fellow researchers. SCP-294 complied, but after the disaster was dealt with, and the researchers stabilized, the researcher found he no longer had the "pertinent medical knowledge".
  • Literal Genie: It can dispense any liquid that is in range (even fictional ones), but do not use "Joe" as a synonym for coffee, especially if your name is "Joe". Another incident was someone requesting "Surprise Me" as their drink. It produced a cup of superheated water... which then exploded in said researcher's face. The researcher said that this was indeed quite surprising.
  • Running Gag: Like with SCP-261, any attempt by Dr. King to operate it will only result in apple seeds. For some reason.
  • Telepathy: It's fairly clear that it has this power, with its ability to consistently reproduce the best drink its operator had ever tried. In addition, when asked to provide a drink that Cassy would like, it produced a paper cup with an image of said drink, meaning it was able to ascertain what Cassy was without being directly given that information, and alter its output accordingly.

SCP-299 ("Infectious Tree")