Although it's a simple and cute indie horror game, Spooky's Jump Scare Mansion quickly become known for its characters, namely the Specimens that are featured throughout the house.

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Main Characters

The Protagonist

An amateur historian who enters the house to find out its mysteries.

And I Must Scream: It's implied that this is the fate that awaits the player character if they are killed in the house. The game over message is "Your soul wanders an endless maze." Specimen 11's CAT-DOS entry makes it clear that this isn't an exaggeration.
- Turns out that this might not be the case, since you are killed in one of the endings, and Spooky instead uses your soul to join her undead army.
And Then John Was a Zombie: Two endings have a variant of this. One of the endings has Spooky turn the protagonist into a new Specimen, while the other has the protagonist die by falling debris, making them become a ghost for Spooky's ghost army.
Curiosity Killed the Cast: The reason why they're in the mansion to begin with. As a history enthusiast, they want to explore. This is played straight in one of the endings, where the protagonist dies.
Dark and Troubled Past: Frequently speculated to have one. Two of the specimens (5 and 7) are said to be more effective on people with past traumas or mental health issues, while one (8) works better on violent subjects.
The Determinator: Despite all the horrors of the mansion, they remain determined to keep going and find a way out.
Earn Your Happy Ending: Canonically, the protagonist of the main story is doomed to become the last ghost in Spooky's army. The protagonist of Karamari/ Doll House has a better fate. After everything that happened before, the Golden Ending of Spooky's Dollhouse has the new protagonist shut the Hellgate and put all the spirits within - Spooky's included - to rest, while finally being able to leave the mansion.
Featureless Protagonist: The closest look we get is during Specimen 6's kill screen and a silhouette during one of the endings. Word of God says that their appearance will remain ambiguous, particularly in gender and ethnicity.
- The one mirror in the game (in the bathroom in the area leading up to Specimen 11) conveniently has a glare to hide the player character.
Humanoid Abomination: It's implied they become one in the bad ending, as Spooky turns them into a new specimen.
Red Eyes, Take Warning: One of the few things you can make out during Specimen 6's death screen is that they have red eyes. It may be due to the lighting, but the bad ending also shows red eyes, which glow.

Spooky

Voiced by: Akuma Kira

Welcome to my home!

The ghost of a 12 year old girl. She owns the house the game takes place in. She cheerfully invites guests to traverse her house and try to reach the 1000th floor of the house, which she might not even know herself if it's the end. She is the current head of GL Labs who had them gather the monstrous Specimens in the house.

Ax-Crazy: There are a few signs that she isn't all that well underneath. Her particularly wicked Slasher Smile after she had killed Santa Claus only strengthens the possibility of her being insane.
Ascend to a Higher Plane of Existence: The Doll House's Golden Ending shows her reuniting with her parents in Heaven after the mansion is destroyed.
Bad Boss: During an incident at a GL Labs facility, in response to people complaining about lack of power and safety precautions she simply laughed and left. There was also another incident like this where she sent some staff to scavenge an old facility and both times she knew well that they would be prey for a Specimen. She also once stabbed a GL Labs worker in the chest for simply saying her design of "Jeff" was inaccurate.
Berserk Button: Being called "cute" is one. It's enough for her to create a house full of monsters that kill people, in an attempt to raise an undead army from people who died in it.
Big Bad: She challenges the protagonist to get through her titular mansion and is the head of GL Labs who had them capture the Specimens to kill the protagonist and others with.
Came Back Wrong: It's implied that her father tried to resurrect her after her tragic death, resulting in her current personality.
Cute and Psycho: Adorable? Yes. Friendly? Far from it.
Cute Ghost Girl: Takes this appearance, although whether she is actually a ghost girl or a hologram remains to be seen. Turns out she is a real ghost that hates being called adorable and thus tries to create a ghost army to invade the human world with.
Deadpan Snarker: Her congratulations of the player for surviving become increasingly sarcastic as they progress.
Disproportionate Retribution: She wants to be feared and resents being called "adorable". Her way of solving this issue is that she has a house full of Specimens that kill, maim, or do worse to you. She also once stabbed and killed a GL Labs worker for simply saying her design of "Jeff" didn't look anything like him.
Dressed to Heal: Spooky dresses up in a nurse outfit when you select New Game Plus in Karamari Hospital. Naturally for her, she's not willing to "heal" anyone, though.
Evil Is Petty: Boy, is she ever. She actively tries to prevent you from going forward and in one ending crushes you after you beat Specimen 9, killing you anyways. Also, the entire reason for keeping a house full of deadly Specimens? So that she can create an army of ghosts. Because she doesn't want to be called "cute" anymore.
Exact Words: At room 750 she decides to "congratulate" the player for making it this far by giving them "unlimited stamina that will never run out", by taking away your ability to run. Subverted, as swinging your ax shows that you really do have unlimited stamina, just that she took away the primary use for it.
Face of an Angel, Mind of a Demon: She looks absolutely adorable. Doesn't change the fact that she knowingly sends guests of the house to their death. She also has been shown to have been callous in treating the GL Labs workers, having two different incidents where a Specimen broke free and she left them to die. All the minigames also feature her brutally slaughtering others. Also, she killed Santa Claus.
The Fake Cutie: Cute as a button, so she can't have ill intentions, right..? Well no, she actually resents being called "cute" and would prefer that people fear her instead, which is the reason she has so many monsters in her mansion and also has a strong case of Bad Boss towards those working for her.
Faux Affably Evil: She comes as very awkward and adorably cute for a Big Bad. However, she shows only disappointment at your continued progress. She had also scoffed at her employee's endangerment and wants you to die so she could recruit you to her ghost army.
From Nobody to Nightmare: Her backstory reveals that she was originally just a 12 year old who really, really wanted to scare someone, and died because of it. Now she owns a house full of hostile monsters.
Ghostly Goals: Her goal when she died was to finally scare someone for Halloween. As a ghost, this goal was distorted into wanting to be feared by everyone, and being willing to go to absolutely any lengths to achieve this.
Gone Horribly Right: You can discover her backstory in an Easter Egg. She was a little girl who liked to scare people but was dismissed as being cute. One Halloween she finally succeeded, but didn't realize her victim had PTSD, and was shot dead for her efforts.
Jerkass: To put it lightly. Her congratulations are often clearly sarcastic and typically come with an attempt to diminish your effectiveness (such as sending you back to Room 50, and removing your ability to sprint). She also writes her name over yours when you get a high score in a minigame, despite you earning that score.
Karma Houdini: Spooky never receives any comeuppance for the numerous atrocities she's committed and even gets to go to Heaven in the Golden Ending. Granted, given that she's a victim of Ghostly Goals, it's unclear how much of her actions can truly be blamed on her.
Laughably Evil: Spooky may orchestrate many genuinely horrific things in her mansion, but she's so snarky, adorable, and laid back, you'd probably forget that.
Machete Mayhem: Seems to be a favored weapon for her as she is seen in several official art for the game with a machete in hand and uses one to kill people in one of the minigames.
Maybe Magic, Maybe Mundane: While being a ghost is plausible, due to the rampant supernatural creatures in the house, one of the trailers features her sparking and dissipating, not unlike a hologram, indicating she might have a far more technological bent to her. Turns out it was a joke and she really is a ghost.
Narcissist: Is very eager to stroke her own ego, such as having pictures of her standing in medieval armor like a knight, and making herself the protagonist of the minigames, even to go so far as to replace your name with hers if you should get a high-score. She is also very callous and uncaring to what happens to her workers and to the residents of the house.
Not-So-Harmless Villain: She initially comes across as a harmless Cute Ghost Girl, but then she unleashes the Specimens on you...
O.O.C. Is Serious Business: When you meet with Spooky for the final time in The Doll House DLC, she lacks her usual snark and lackadaisical attitude. Instead, she simply states that she doesn't like the Spirit Containment Room and asks you, almost desperately, to leave.
Older Than They Look: Figures how old the mansion has been at some time for a young little ghost to be wandering around it. She spent more than five decades just to make the whole old ominous house of jumpscares to happen.
A Sinister Clue: If you pay attention to how she holds her machete, she uses it with her left hand.
The '60s: Spooky died during them, as the note left by her father makes mention of a new Price movie based on Poe's work, which combined with the costume she's seen wearing when alive, can only be referencing the 1964 adaption of The Masque of the Red Death.
Spirit Advisor: Acts as this in the DLC, albeit one that is quick to abandon you.
Tragic Monster: Spooky is a cruel, cold and terrible little monster, but she used to be just a little girl who was loved by her parents and simply wanted to finally scare someone on Halloween, succeeding to do so to the absolute worst person. Her current personality is probably a horrific distortion of her true self caused by her nature, with her Ghostly Goals effectively overriding everything good inside her.
Wicked Cultured: Was apparently dressed up as an Edgar Allen Poe character on the night of her fatal accident, admittedly a relatively pedestrian literary shoutout, but considering she was only twelve, the seeds of this trope were clearly taking root.

Specimens

General tropes

The enemies of the game. Strange entities from the darkest corners of the world, with anomalous properties. GL Labs has been gathering them from some sinister purpose. They chase you throughout the floors of the mansion and must be fled from to survive, but each has their own gimmick to mix things up.

Expy: All of them bar Specimen 1 are a reference to another horror media monster, and even some instances of Specimen 1 make reference to some of these.
Have a Nice Death: Most of the Specimens have their own unique death screen should you die to them, usually either detailing how you died or the Specimen mocking you in one way or another.
Implacable Man: When a Specimen chases you they do not just chase you through their special area but also a few dozen rooms afterwards, and will follow the shortest path possible. And most of them can't be halted with the ax, and those that can only do so very temporarily.
Jump Scare: Those "Have a Nice Death" moments count as this, and almost every single monster has one.
Recurring Boss: Most of the Specimens can appear at random after they have been encountered once. Specimens 2-5 seem to be the most recurring.
13 Is Unlucky: Thirteen Specimens, and you have to deal with each one. This isn't counting the fake Specimen 10, or the protagonist in the bad ending. Or Howard, a minor Specimen that randomly appears to scare you in a certain room but is otherwise harmless much like Specimen 1. Or the similarly harmless dark apparition named after Wolfgang Amadeus Mozart that appears when playing a vinyl record in Specimen 8's room.

Specimen 1 (Cardboard Cutouts)

https://static.tvtropes.org/pmwiki/pub/images/scare_0112.png

Hi! :D

Specimen 1 takes the form of a cardboard cutout that pops out of the wall. Usually it manifests as simplistic, cute drawings of things like a green tentacle monster, a blue ghost, a purple cloud, a pumpkin, skeleton, tree stump, purple spider, brown cup, toast or ice cream, among many others, with cutesy faces each. However, sometimes a version of the tentacle monster that is horrifically distorted will appear, or a bloody skull, usually later on in the game. They are harmless for the most part, and are really only harmful to those that have heart problems.

The Cameo: A single instance of it appears just as the Escape Sequence starts off at the end of Spooky's Dollhouse.
Evil Knockoff: Inverted; several of Specimen 1's forms are cutesy imitations of the far more threatening specimens further down the list. A slime, a spider, a ghost, etc. Could also count as Foreshadowing.
Fright Deathtrap: Of the Scared Stiff variety. While the most harmless of the Specimens (besides the fake Specimen 10), it has claimed 4 victims.
Harmless Villain: On their own, they're just annoyances. Some of them gain a Nightmare Face and Scare Chord variant later on, but the worst they can do is an instant's worth of freezing against other Specimens.
In-Series Nickname: The pumpkin's name is "Sam", and the pepper is known as "Peter". Spooky also made one instance named "Jeff".
Invincible Minor Minion: Peter the Pepper from Karamari Hospital is the only instance of Specimen 1 that cannot be cut with the axe.
Jump Scare: The titular jump scares of the game, and act as such by popping out of nowhere in any randomly generated room with a loud noise following it, usually a Scare Chord or a parody of one. This is even reflected in gameplay by your character freezing for half a second when one pops out.
Leitmotif: Averted. It's the only Specimen in the main game that lacks a distinct theme tune.
Nightmare Face: Later in the game, the green slime gets a "corrupted" version, along with a bloody skull with horrifying black eyes and wide-open mouth. Endless Mode also adds a few "scary" versions to pre-existing ones, as well as actual scary icons in reference to other horror characters.
Scare Chord: Each time one pops out, they use one of several sound effects that can range from a cute jingle to Hell Is That Noise.
Schmuck Bait: In room 250, Spooky gives you a gift. It's simply a box with the words "Look behind you" scrawled on the side. Doing so triggers a large amount of Specimen 1 cutouts on the walls with a barrage of noise.
Shout-Out: Some cutouts in Endless Mode are cuteified versions of Jeff the Killer (one that's even named Jeff), Edvard Munch's "The Scream", and a Xenomorph.
- Sam the Pumpkin was named after the mysterious masked kid in "Trick 'r Treat".
- Peter the Pepper was created by Hot Pepper Gaming as a small contribution to the Karamari Hospital DLC.

Specimen 2 (Goop)

https://static.tvtropes.org/pmwiki/pub/images/spec_2sml.png

An eyeless, black-and-green specter with one long hand and no legs, its mass hovering over the ground. It kills its victims by clawing them apart and can create puddles of black tar that slow the player down.

Animation Bump: Received improved animations in one update for the HD Renovation, including attacking animations. Unfortunately for the Specimen, this also means it can be outright evaded when it tries to attack you.
The Assimilator: Its death screen implies it does this to you.
Blob Monster: It's a humanoid figure made of ethereal slime.
Ectoplasm: What it's presumably made of, since it's referred to as a "specter" in its CAT-DOS entry.
Eyeless Face: But he does have a set of long teeth, however.
Exact Words: "We are one but I am many" becomes more literal when you can actually encounter two of him at the same time.
Expy: Of the Lub-Glub monsters from Adventure Time, mostly in terms of design as a black ooze creature with teeth.
Fate Worse than Death: If the note was written by it, which is hinted at with its own sounds, it appears to be either in constant pain and/or perpetually choking and gagging.
- Its death screen implies this is what it does to the player as well, through assimilation.
Have a Nice Death: A close-up of screaming faces melting in its gooey body, followed by a screen reading:
"I know what you have done, and what you have yet to do. But it's alright, because I'm inside you now. We are one but I am many..."
Hell Is That Noise: It makes loud choking noises when it appears, and it continues to do so while it chases you.
He Was Right There All Along: The puddles he rises out of in the HD Renovation shrink as he emerges. He WAS the puddle.
It Can Think: Implied. Beyond the death screen, it's somewhat implied it may have been the writer of the note in his spawn room. It also seems to be aware of its own weakness, as it uses its own substance as a means of slowing down subjects faster than it (which is exactly what it's weak against) and, in the HD Renovation, it tries to get ahead of you by disguising as just another puddle.
Leitmotif: "UNKNOWN HUG", a tense, drum beat-filled theme.
Mighty Glacier: It's not particularly fast, but it can counteract this with its slime puddles and decent damage output. CAT-DOS also reports that it's particularly effective against subjects as slow as itself.
Mucking in the Mud: Stepping on the puddle of goo Specimen 2 creates can slow you down.
Scary Teeth: The only prominent feature of its face, or lack thereof.
Warm-Up Boss: The first Specimen the player encounters that chases them, making it the first real enemy of the game. It moves pretty slowly and even when impeded by its tar, it's pretty easy to outrun it.

Specimen 3 (Subject 5)

https://static.tvtropes.org/pmwiki/pub/images/spec_31.png

An insectoid creature that resembles a cross between a spider and a centipede. Specimen 3 was a creation of GL Labs, referred to as Subject 5, that broke out of confinement and attacked the staff there. It attacks with venomous bites and can ambush the player through holes in the ceiling.

Art Evolution: A more noticeable case than the other creatures in HD Renovation, where it's much longer and a deeper shade of red. As of the Summer Update, it also gained a considerable Animation Bump by moving far more smoothly.
Big Creepy-Crawlies: Takes the appearance of a cross between a spider and a centipede.
Death from Above: Beware of the holes on the ceiling. Specimen 3 may drop down from one of them to ambush you.
Dynamic Entry: It first shows up dropping out of a hole in the ceiling. This is also its primary ability.
Expy: Inspired by all of the spider bosses and other lab-grown insectoid horrors from the Resident Evil series.
Gone Horribly Right: GL Labs were pretty successful in creating a dangerous Specimen, at least enough for Spooky to be happy with leaving them to die to it.
Have a Nice Death: It went without one for a long time, being one out of two main-game Specimens without one. HD Renovation finally gave it a death screen, where it's revealed that there are more Specimen 3 creatures out there, with text reading as follows as they leave through holes in the ceiling of their original containment area and then eat the player alive:
"Once, in a land of dreams, I thought I could be free. But now, the hunger never sleeps."
Hell Is That Noise: Its introduction is triggered by reading a note that ends with "The clicking is getting louder now." You then hear a soft clicking noise...
- HD Renovation also gave it some distorted roars more befitting of a giant bug.
Leitmotif: "Writhing Sneezes", a tense, beat-laden tune with an ominous drone, truly helping to build the atmosphere for something crawling after you.
Lightning Bruiser: Not in the original game, but the HD Renovation turns it into one of the fastest Specimens to make up for its inability to fly or to phase through walls.

Specimen 4 (Ringu)

https://static.tvtropes.org/pmwiki/pub/images/spec_4sml.png

Come here...

Specimen 4 is a 14th century ghost who resided in a Japanese school, which was since moved to the facility. She hunts the player with the intent of eating them alive, seemingly to keep them "safe" within her.

Endless Mode gives her two alternate forms which are far more dangerous, causing a heavy pixelated fog that closes in on the player before resetting in order to mess up the camera view. She's also one of the Specimens that can be used to seal the Hellgate in the Dollhouse DLC, but only in the original game.

Adapted Out: She's not in the HD Renovation's version of Spooky's Dollhouse, instead being replaced with Specimen 11.
And I Must Scream: Maybe. It's perhaps semi-implied both in her death screen quote and the overall nature of how souls work in the game that when she consumes you, even after your body is digested, your soul will remain "safe" in her belly eternally.
Balloon Belly: Gains one after eating the player in her kill screen.
Black Eyes of Crazy: Her default form has a pair of these.
Blue-and-Orange Morality: The ghost seems to think she's doing you a favor by eating you alive, as a way of keeping you safe.
Boss Banter: Rarely, but Specimen 4 occasionally speaks, though it's hard to make out what she is saying amidst her chase theme and the distance you have to keep by running away.
"La la la..."
"Come here..."
"Stop..."
"Hahahahaha..."
Creepy Long Fingers: Long and sharp, and they're stained with blood, too.
Demonic Head Shake: In her third form in Endless Mode.
Dying Curse: A variation. If she's the Specimen chosen for the final chase sequence in the original game's version of the Dollhouse DLC, she'll let out one last sentence in Japanese after being absorbed into the gate, which roughly translates to "I will curse you".
Eaten Alive: The fate of those who meet with her. Her CAT-DOS entry lists her method of killing as "consumption".
Expy: Her nickname and the TV static-like texture over her model and over the fog that appears with her evolved forms bring Sadako to mind, although her design also invokes several other Japanese ghost women from many horror movies that feature a Stringy-Haired Ghost Girl as an antagonist.
- That being said, the fact she's haunting a school may be a reference to a similar ghost girl from "Corpse Party".
- While perhaps not intentional, she might also be a reference to Hachishakusama, a towering woman of Japanese urban legend who wore a long white dress and abducts children to kill them.
Four Is Death: She's a Japanese spirit, and given the subtitle of Specimen 4. Knowing Spooky, there's the likelihood this was deliberate.
Giggling Villain: Can be heard quietly chuckling every now and then.
Have a Nice Death: Losing all of your HP to her results in Specimen 4 lunging at the camera with her mouth wide open, followed by a screen showing her large, full belly and her words:
"Hush now my child, you're safe now."
- In the DLC, she's given a new death screen showing a small television over a classroom desk, except the screen is replaced by a visceral hole and the text is now actually written in Japanese, roughly translating to "It's a hole made for you to enter."
Hell Is That Noise: Announces her chase with a high-pitched choking sound. The opening for "RINGU AMB" makes it more strained and gurgling.
Interface Screw: Her Endless Mode variant in the original game will gradually darken the screen as the player moves until it's completely black, then reset with a loud noise like a camera taking a picture. HD Renovation replaces it with a bright fog that gets progressively worse until it also resets with a loud noise.
Leitmotif: Originally "Breakfast Was Too Early", an Ominous Music Box Tune which starts out cute, occasionally droning off into a nice piano tone, but ends with a creepy echo. Was later swapped for an 8-bit version called "Breakfast Was Too Late".
- Her Endless Mode forms have "RINGU_AMB", a hellish-sounding theme introduced by her agonized, choking screeches.
More Teeth than the Osmond Family: Not easy to notice in her first Endless Mode variation, but definitely so in her second one.
Multi-Armed and Dangerous: Endless Mode gives her a second variation that occasionally sports this, as well as Interface Screw.
Prophet Eyes: Her Endless Mode variations have these, in contrast to her normal form.
Stringy-Haired Ghost Girl: She's a Japanese ghost with long, black hair at shoulder's length, in stark contrast to Cute Ghost Girl Spooky.
- Her game file is named Ringu.
Scary Teeth: Given a set in HD Renovation. Her mouth opens wider the closer you get, making them more visible.
Static Screw: Her endless mode form places this on the distance, making it harder to know where you're going.
Swallowed Whole: Her preferred method of killing subjects. Maybe.
Took a Level in Badass: The Endless Mode update gives her two new forms; one is a more detailed version of herself and the other is a Multi-Armed and Dangerous form. She also has a much more dangerous Interface Screw where she increases the static of the screen to the point where it becomes impossible to see for a second.
True Final Boss: She's an option as one of the three Specimens that you can have chase you into the Hellgate. This only applies for the original game, however.
Unskilled, but Strong: Her normal form notably doesn't have any unique powers. Though she can float over pits and through walls, this is something shared with other Specimens. That being said, she is also among the fastest Specimens and deals a little more damage than the previous Specimens.
Vocal Dissonance: She normally has the voice of a young woman, but her Dying Curse in the Dollhouse has her speak in an old woman's voice.
Woobie, Destroyer of Worlds: All but stated to be the spirit of a mother still haunted by the death of her child.
Would Harm a Child: Its area is a Japanese school, which was where it originally haunted. The Apocalyptic Log details the disappearance of a girl named Matsuri.
"Could it really be true? I thought the fairy tales about the ghost eating children who sneak in after class was just to keep us from disobeying. But Matsuri is still missing."

Specimen 5 (Mother/Bab)

https://static.tvtropes.org/pmwiki/pub/images/bab_render2sml.png

A humanoid monster, female in appearance, wielding a large blade fused to her right arm. It was found inside a church in a small town, and has the ability to distort the room textures in order to disorient the player.

BFS: Has one attached to its right wrist.
The Blank: Not one facial feature on its mannequin-like visage. Her death screen however, shows marks manifesting on her featureless face.
Cult: It's connected to one that performed at least one Virgin Sacrifice. Based off the notes, though, it didn't work out.
Demonic Dummy: It looks like one because of its "skin", which is just plastic-looking enough to seem fake, while still looking organic in an uncanny manner.
Have a Nice Death: Later given one in Endless Mode that was adapted into the main game, showing a pentagram background with Bab over it in close-up, followed by text that reads:
"Tiny, Shining holes in the sky. Delicate, perfect emptiness. Black, growing absences of life. Cold, swarming death. And we shall become them."
Hell Is That Noise: Will occasionally make a gurgling noise as it chases you.
Hollywood Satanism: The Cult around Specimen 5 acts like a somewhat more clueless version of this.
Humanoid Abomination: It has a female humanoid shape, but everything else about it is very Lovecraftian.
Interface Screw: Arguably the most extreme example of this in the main game. Once it gives chase, fog fills the screen, and it can also mess with the room textures and make faces and pulsing red effects appear, even on the doors, all in order to make the player get confused. The HD version of the game removes the fog overlay and just keeps the texture distortions.
Leitmotif: "LUSTING STRAWBERRY", a quiet theme that quickly starts to feature a droning noise, and a rhythmic beat that sounds like stomping, appropriately sounding like something Akira Yamaoka would make for "Silent Hill".
Mighty Glacier: Unlike Specimens 2 and 4, Specimen 5 cannot fly over pits, nor can it pop out of the ceiling like Specimen 3. It also moves quite slowly. However, it deals a lot of damage on contact, enough to kill you in just a couple of hits, and if you lose your way from its reality distortion, it will get those hits in. Additionally, the HD remake tones the "glacier" aspect down by making it move a little bit faster.
Murderous Mannequin: Resembles a featureless, feminine mannequin.
Nothing Is Scarier: Specimen 5's method of killing is "Unknown" because all subjects that make contact with it are lost, with their bodies unable to be recovered for analysis. Its death screen does not make things any clearer.
Shout-Out: It's heavily inspired by Silent Hill, especially the second game, with its large blade serving as a visual reference to Pyramid Head's Great Knife. Its appearance is even somewhat similar to the Mannequin and Bubble Head Nurse enemies, along with the mental ward area the player finds her in resembling a number of rooms in the Otherworld.
Speed Echoes: In HD Renovation, later updates made Specimen 5 leave after-images of itself while walking.
Virgin Sacrifice: The notes found where you first encounter it hint it either was created from or wasn't pleased by a failed attempt.
Wake-Up Call Boss: The first boss to mess with the player seriously enough to be dangerous, introducing them to the fact that enemies will employ Interface Screw.

Specimen 6 (Ben/The Merchant)

https://static.tvtropes.org/pmwiki/pub/images/spec_6sml.png

You shouldn't have done that.

A large puppet resembling a smiling man with blank white eyes. It remains still until you stop looking at it, at which point it attacks from behind. According to the lore, it might have once been a puppeteer who drowned with his puppets after they were tossed in the river by jealous shopkeeper villagers, and got his revenge by turning the children of the village into puppets. It's one of the possible Specimens that can chase the player one final time in the Dollhouse DLC in order to seal the Hellgate.

Can't Move While Being Watched: It will only move when you’re not looking at it. If you have your back turned, it can attack you.
Expy: Both it and the area it appears in is a reference to The Legend of Zelda: Majora's Mask, as well as a certain creepypasta about it. It also uses similar mechanics to SCP-173.
Eye Scream: If you die to it, you get to watch Ben slowly approach his needle to your eye.
Grin of Rage: Every now and then, his creepy smiling face changes to a much more angrier expression.
Have a Nice Death: A horrifying close-up of the player character's eye being held open by Specimen 6, along with its other hand slowly descending a needle towards it. Then it cuts to a blood-red screen with the following text:
"To become a puppet is to rid oneself of the pain and harshness of choice. Now nothing you do is your fault, now you belong to something... You belong to me..."
- In The Dollhouse DLC, it gains a new text:
"My children drowned. So I took theirs for mine. I sew them all up, with long silver twine. I use my wood drill, to bore out their eyes. Speak not my child, I'll silence your cries."
Hell Is That Noise: When it spawns or in its death screen, it's usually accompanied by an "ah ah ah," not unlike the sound from the Friday The 13th series. It also makes a rattling sound when it moves.
Leitmotif: "The Merchant", a creepy, backwards-sounding theme, that ties into its inspiration by also using a "Majora's Mask" soundfont.
- While it doesn't play when it appears, its location in the mansion has "OUO", an eerie, tribal-sounding theme with ominous chanting.
Living Doll Collector: It's implied to have turned the village's children into puppets, and it seems intent on doing the same to the Player should it kill them.
Logical Weakness: A wooden puppet is no match for a fire axe. At least, for a while, anyways.
Perverse Puppet: Both is one and made them. It's also implied he turns you into one in his death screen.
Slasher Smile: Its default expression is wide and teethy. Not only that, but one of the positions has it look downright menacing◊.
Took a Level in Badass: Originally, he was very easy to escape from because all the player had to do was to wait for him to attack you, turn around, walk away from him and look at him while waiting for your health to regenerate, making it really easy for experienced players to avoid him. Come an update after the game was released, and he gained a new power where if you look at him for too long he can disappear and teleport to another spot, like right behind you.
True Final Boss: The third option you can have as the final Specimen to chase you in Spooky's Dollhouse.
Turns Red: After being knocked down with the axe, 6 will become infuriated in the next room, sporting a more menacing and hateful expression and becoming temporarily immune to the axe.
Wake-Up Call Boss: Like Specimen 5 before it, 6 introduces players to the fact that later Specimens will not mess around, and running by itself will not save them from it. It moves (and kills) far faster than an inexperienced player might expect.
Was Once a Man: It's all but outright stated that it was the Merchant from the story. It’s practically confirmed in his death screen in the Dollhouse DLC.

Specimen 7 (The Wall of Flesh)

https://static.tvtropes.org/pmwiki/pub/images/spec_7.png

Specimen 7 is a large, moving, shifting wall of corpses and skeletons. Supposedly only effective on subjects with "past traumas and a history of psychological issues", it attacks the player in what seems to be a mental area after a brief section of relative calm with a talking cat giving cryptic advice.

HD Renovation gives it a chance of appearing in Endless Mode, but only once per playthrough.

Advancing Wall of Doom: How it attacks you.
Battle in the Center of the Mind: Originally, the room counter didn't move while it was chasing you, which implied that you weren't actually moving through the Mansion while Specimen 7 was after you. Even though that was changed, the lead-up to it still has these implications, due to the Mind Screw, psychology references, and the cat's cryptic advice about how to beat it. Even the start of its area is split by a line marked as the "threshold of consciousness", implying the player is stepping into their own mind.
- The Cat that appears in Specimen 7's area spouts advice that mirrors ideas defined by Carl Jung, particularly the concepts of "persona" ("The mask you wear serves you well") and "shadow" ("Knowing your shadow can greatly help you"), implying Specimen 7 is some kind of creature that embodies the player's Shadow in the Jungian sense, and the chase is basically you making the conscious call to overcome your own inner darkness.
Body of Bodies: A wall made of bodies, but same effect. Its texture includes screaming skulls in perpetual agony.
Eldritch Abomination: One of the more surreal and alien of the creatures in the game. No better way to describe the living embodiment of the Jungian Shadow.
Expy: Its screaming faces and red-and-black color palette are very similar to that of Giygas.
- Its official name, the Wall of Flesh, might be named after the Disc-One Final Boss of Terraria. The Wall of Flesh also one hit kills the player via contact, but only when it isn't killed when they reach the other side of the map.
Have a Nice Death: Averted. As of HD Renovation, it's the only Specimen that can kill you without a death screen afterwards.
Leitmotif: "STRANGE WIGGLES", a discordant tune featuring frantic beats and an almost cheery piano.
Mind Screw: The area leading up to it is disorienting, with a cat spouting Cryptic Conversation and strange physics. It's simply full of references to Jungian psychology.
Nothing Is Scarier: It has no kill screen and its method of killing is listed as "Unknown". Beyond that, if you happen to take too much time in its corridors without ever looking back, the wall will kill you in one hit, and since it doesn't have a kill screen, it looks like you just keeled over dead for no reason.
One-Hit Kill: Touching it is instant death.
Put on a Bus: Specimen 7, along with the cat that preludes it and Specimen 13, never make an appearance after escaping it the first time in the main game and it never appears in Endless Mode at all in the original game. They can appear in the HD remake's Endless Mode, but again can only chase the player once.

Specimen 8 (Deer Lord)

Voiced by: Jessie N.

https://static.tvtropes.org/pmwiki/pub/images/ms7_01_sprsml.png

Your submission is inevitable.

"Praise be Bayagototh."

A humanoid, ethereal entity with a deer skull for a head, wearing a cloak covering its body, hiding screaming faces underneath its visible rib-cage. Specimen 8 resides in a cabin deep within a forest where it watches over man-eating deer. Although it doesn't exclusively target them, Specimen 8 seems to primarily target those who have backgrounds of violence. It makes an appearance in the Dollhouse DLC as one of the possible Specimens the player can lure back into the Hellgate.

And I Must Scream: Inflicts this on its victims, absorbing its prey into itself. Under its cloak (which it will open when close enough to the player) are its past victims, screaming silently.
Animalistic Abomination: It has a deer head, but that only makes it creepier.
The Assimilator: Under its cloak are a bunch of screaming faces, and its quotes indicate it wants you to become a part of it.
Body Horror: A little difficult to see but you can notice that it has screaming faces along its exposed ribcage when it opens its cloak.
Boss Banter: It can be a little hard to hear over its static and leitmotif, but Specimen 8 speaks as it chases you.
"Join us."
"Why do you run, child?"
"Your flesh will sustain my children."
"Your submission is inevitable."
"Praise be Bayagototh."
Breakout Character: Out of the other specimens, Specimen 8 is not only one of the optional Final Boss choices in The Dollhouse DLC, but also makes a cameo in the game Lost in Vivo by the same developer.
The Cameo: Makes a brief one outside a window in the 3rd Lost Tape in Lost in Vivo.
Characterization Marches On: Initially, Specimen 8 was implied moreso to be a vengeful entity that hunts humans as humans hunt deer, but by Lost in Vivo's introduction of Bayagototh, this has been mostly disregarded.
Controllable Helplessness: Its death sequence places you in a dark forest path with only one way forward. One way forward into assimilation.
Deal with the Devil: In Akuma Kira's other game Lost in Vivo, it's implied that Specimen 8 was a normal human who made a deal with the god Bayagototh to feed his family, but Bayagototh took Specimen 8 away from his family and destroyed his humanity.
Expy:
- With its antlers, faces on its body, and attempts to persuade you to give in, it bears a resemblance to the Beast. The old-timey music that plays during the chase even bears some resemblance to the soundtrack of Over the Garden Wall. This bond grew even more with the introduction of Bayagototh, a powerful creature with a tree motif that feasts on souls whose avatar is a massive face made of wood. Specimen 8 also was part of a deal to feed his family, in which the trees of the nearby forest were made out of meat.
- Alternatively it could be seen to be similar to the also persistent Gogolithic Mass.
- It also shares a few nods with the Collector from Darkest Dungeon: Being a tall Eldritch Abomination (Specimen 8 being an Animalistic Abomination to the Collector's Humanoid Abomination) with a Skull for a Head. They have a cloak that they open up to show that they have a Body of Bodies (or more accurately heads) of absorbed victims.
Have a Nice Death: Dying to it locks you in a forest trail with a blood-red sky and blood mixed in with the dirt under you. There is only the way forward leading directly into the Deer Lord, representing the player succumbing to assimilation, followed by flashing images and this text:
"And I saw, from eyes that were not mine. And I felt, with a fear I could not reason. They watch us, they invade us. And keep us happy, committing treason. To a King we didn't deserve. To a Son who waits weeping. That I knew, from knowledge gained while sleeping."
- In the Dollhouse DLC, it gains a new text:
"And as I slept, and as I grew. Something stirred, both root and sinew. I cannot eat, nor can I starve. A face on the great tree did I carve. It spoke to me, it whispered things. It demands more life, demands more rings."
Leitmotif: "Your Consenting Mind". A classical-sounding albeit dark violin and piano tune featuring age and scratches in the audio.
The Marvelous Deer: "Marvelous" in the sense that it's absolutely terrifying.
Mighty Glacier: Compared to other ethereal specimens, the Deer Lord hits especially hard and takes a good chunk of HP out of the player, but is also much slower compared to the likes of Specimens 2 and 4. The 2021 Halloween Update for the HD Renovation mitigated this by giving him a speed boost whenever he goes through walls.
Nigh-Invulnerability: 8 is impervious to the axe. While some of the other Specimens also share this attribute, this fact is worth noting because its "children" do not have this trait. Considering that 8 clearly gets upset when you kill one of its deer brethren, this might be why it is particularly effective against violent subjects.
Sensory Abuse: Every time it attacks you, it assaults your eyes with yellow and red lights, along with brief images of the words "SUBMIT" or "JOIN", as well as a brightened version of Specimen 8's face.
Static Screw: When it appears, the screen gets fuzzy with static and remains that way until it stops chasing you. Should it touch you and deal damage, or when you kill one of its deer, it will make the screen flash with disturbing imagery, namely its face or the words "JOIN" and "SUBMIT".
Thinking Up Portals: As of the 2021 Halloween update, Specimen 8 will use a portal to warp directly to you if you ever leave its line of sight.
Took a Level in Badass: The 2021 Halloween Update changed Specimen 8's chasing pattern slightly to make it a far more dangerous opponent in-game. Basically, if it's sighted the player upon entering a room and there are walls between the two, Specimen 8 will open a rift that will warp him towards the player at a much higher speed, making it much more likely to catch up and deal damage.
True Final Boss: The second option you can have as the final Specimen to chase you into the Hellgate, and the first one presented to you at that.
Vocal Dissonance: Despite being referred to as the Deer Lord, its voice sounds rather female. This dissonance is much more apparent in their "Praise be Bayogototh" line, where its voice has a higher pitch compared to its other voice lines.
Vocal Evolution: In the single new line it has in Spooky's Dollhouse, it speaks with less distortion in its voice and with a noticeably higher pitch.
Voice of the Legion: Its voice is like this, which definitely fits.
Was Once a Man: Implied in Lost In Vivo.
Wendigo: Based upon the take with a deer's skull for a head.

Specimen 9 (Taker)

https://static.tvtropes.org/pmwiki/pub/images/spec_9.png

^{Click here to see Dollhouse appearance}

A red skull-shaped mass of clay that Spooky ordered to have killed. It somehow survived, however, and you can encounter it as early as room 51.

Art Evolution: For whatever reason, it takes on a 3D design in its appearance in Spooky's Dollhouse.
The Assimilator: Implied by its CAT-DOS description (overlaid with its Madness Mantra) which suggests that it gains more form as it TAKES TAKES TAKES new victims.
The Cameo: If you try to escape the mansion in Spooky's Dollhouse without going through the Nightmare Sequence, the Escape Tram will stop as an improved looking Specimen 9 rises in front of you and kills you.
Controllable Helplessness: One of the two ways it can kill you is by trapping you down in an endless hallway.
The Dreaded: When Spooky demands its destruction, you know that it's bad news. It's also the only Specimen who can attack you in "safe" rooms if you take too long, as well as being the Final Boss.
Endless Corridor: When it isn't attacking you when you stand around for too long, it traps you down an endless hallway.
Expy: Because of their red and black color scheme, gaping mouth which is especially apparent in their boss form, the way their face resembles a skull, and their status as the final boss, one can easily compare Specimen 9 with Red.
Flying Face: The best description for it is that it's a flying red skull.
Godzilla Threshold: And we barely know why, either, but the fact Spooky wants it dead for being hard to control says a lot about this Specimen.
Have a Nice Death: The Specimen's face flashing the screen with red, followed by its maniacal repeating of the line "TAKE THE DEAD TO" over and over in written text. HD Renovation adds in a sequence beforehand where a CAT-DOS error screen shows up (named CAT-WIN) that will stay on screen until the player presses the spacebar or E, which leads to a dark hallway with gradually-lighting spotlights that reveal a door, which opens to reveal the Specimen dashing right at the screen for its death scene.
Interface Screw: It shows up on CAT-DOS, but the file is glitchy. Not to mention the actual contents, which can flash to its Madness Mantra.
Kaizo Trap: It can change the house to throw you into an Endless Corridor (if you don't watch out for the correct door) and trap you for an easy One-Hit Kill.
Leitmotif: "AMPUTATED MARSHMALLOW", which is a very short ambient piece that abruptly cuts in to some strange humming sound every couple of seconds. The only two places you'll hear it is if you get stuck in the Endless Corridor, or if you've remained idle without pausing for too long. If you hear this tune in any room, run for a door.
Madness Mantra: Upon killing you, it fills the screen with:
TAKE THE DEAD TO TAKE THE DEAD TO TAKE THE DEAD TO
One-Hit Kill: Let it touch you and it's Game Over. Thankfully actually meeting it is a rare occurrence, and its AFK-hunting mode merely two-shots you.
Red and Black and Evil All Over: It is colored entirely in black and red and is considered one of the most dangerous entities in the entire mansion.
Stalked by the Bell: If you choose to stand around without pausing the game for a certain amount of time, Specimen 9 will go after you. This includes safe rooms.
Unexplained Recovery: It's supposed to be exterminated. Supposed to be, which means the people tasked with destroying it failed horribly.

The Old Specimen 10 (Worm Eel)

https://static.tvtropes.org/pmwiki/pub/images/spec_10.png

Wrong Specimen Display!

A genetically modified eel that crawls across the floor in intent to crush you. Later updates turned him into a passive Specimen, as a result of the genetic modifications making it docile. Now it serves as the current host for the real Specimen 10, which bursts out of its head soon after the player encounters this creature.

The Generic Guy: What ultimately lead to it being replaced. It had no powers, was not particularly fast or strong and didn't have any unique features beyond its Nightmare Face. For reference, even its multi-segmented body is something the previous Specimen 3 had. Hell, it even shared a chase theme with Specimen 3.
Giant Mook: Eels do not get to that size naturally.
Killed Off for Real: Replaced for the rest of the game once the true Specimen 10 ruptures out of its head.
Leitmotif: Before it was updated to become harmless, it had the chase theme "Writhing Sneezes". The same chase theme Specimen 3 uses.
Nightmare Face: For a somewhat docile creature, it does have a very intimidating face.
Retcon: It originally had 46 fatalities to its name. Later updates reveal it was instead a pet, with 0 fatalities, but the real Specimen 10 used it as a host.
Slippery as an Eel: It was a giant mutant eel, but it ultimately ended up being harmless instead of dangerous. The poor thing eventually ends up becoming a fatality of the real threat in this stage.
Team Pet: Seemed to have acted as this for the old GL Labs facility back when it was docile.
We Hardly Knew Ye: Aside from its early CAT_DOS entry, it only shows up for about a second before the real Specimen 10 pops out of its head, killing it.

The New Specimen 10 (Parasite)

https://static.tvtropes.org/pmwiki/pub/images/ms8_01_sprsml.png

A parasitic lifeform of likely extraterrestrial origin. The Parasite was contained in an old rundown GL Labs facility where it attacked a scavenging team there. The parasite takes the appearance of what looks like a person covered waist up in flesh colored goo, with only the legs visible. When it gets close, the Specimen reveals a huge maw of teeth vertically along its torso, but when the player gets too far away from it, it transforms into a leech-like creature that is less damaging (original version only) but much faster.

Aliens Are Bastards: Blue-and-Orange Morality aside, this thing seems to think of you as just an animal as it tries to assimilate you.
The Assimilator: Much like 8, its goal is to assimilate you inside of itself. It seems to believe that it's doing you a favor in this prospect.
Bait-and-Switch Boss: When you activate the final light switch in its special area, the old Specimen 10 spawns for a second before the real one pops out of its head, killing it.
Blue-and-Orange Morality: Its death screen messages indicates it believes it's doing you a favor by overwriting your consciousness and ability to think. However, the hidden binary message in its death screen translates as it saying "you are more than just an animal", making it contradictory.
Body Horror: It's all but stated that its current host was a human scientist, but you wouldn't recognize anything human about the Specimen anymore aside from the legs and the possible nose on top.
Expy: Pretty much John Carpenter's The Thing in all but name.
- The leech form is rather reminiscent of a Chestburster.
Fragile Speedster: The leech form is the fastest Specimen in the game, easily able to outrun the player, but deals minimal damage. No longer the case in the HD Renovation, where it now deals the same damage as its humanoid form.
Have a Nice Death: Flashing images of viscous material followed by text:
"Now you have nothing to fear. Now you have nothing to think. Follow your selfish desires. Follow your natural instinct. After all you're just an animal. It's much easier than trying to think."
- While that text appears, binary also flashes. When translated, it says the following; "You are more than just an animal. Use the soul you've been given. And be responsible for your actions."
Humanshifting: Inverted, its default form is vaguely humanoid but its other form is a leech.
Leitmotif: "GETTING THERE", an eerie, quiet tune with the occasional sounds of what sounds like shaking bones, also sounding very disjointed and discordant.
Lightning Bruiser: The HD Renovation turns the Parasite into this, now dealing the same high damage regardless of form, making it much more punishing to get too far from it.
Make Way for the New Villains: The game starts up the old Specimen 10's animation with it chasing you... only for the real Specimen 10 to burst out of its head and make haste toward you.
Mighty Glacier: The default form can be easily outrun, but do not get hit by it.
Multiform Balance: Its default humanoid form is very slow but deals high damage, while its leech form is the opposite. The HD Renovation turns the leech form into a Lightning Bruiser, dealing the same damage as the humanoid form.
Painting the Medium: When the player takes damage from it, the screen starts to get covered in goo, and the more damage you take the thicker it is, reflecting that it's slowly trying to infect you.
Shapeshifter Default Form: The humanoid form is the default.
Took a Level in Badass: The summer update allowed it to stay in a different form between rooms and shift between them once it hits you. The HD Renovation changed the leech form's damage to be equal to the humanoid form's damage, making it far more punishing to outrun it.
Voluntary Shapeshifting: It can switch between an infested humanoid form and a very fast leech-like form.
Was Once a Man: This was once a scientist.

Specimen 11 (Food Demon)

https://static.tvtropes.org/pmwiki/pub/images/spec_11sml.png

".yawa gninnur potS"

A floating Big Red Devil with red skin, yellow horns and claws, and bleeding eye sockets with no eyes. The Specimen takes its domain in a fast food restaurant that praises itself on its beef. It's a very violent creature that has the power to eliminate one's soul completely, notable for being one of the few Specimens that Spooky and GL Labs have found impossible to contain and undesirable to deal with test subjects precisely for the previously-mentioned method. It also has the power to make doors disappear when it is chasing the player and send them to an alternate dimension when it kills them, which seems to be made of meat and consisting of a single twisting hallway that leads to Specimen 11, which then triggers its death screen.

It replaces Specimen 4 as a candidate for banishment through the Hellgate in the Dollhouse DLC in HD Renovation.

Big Red Devil: It's red, and has bull-like horns, fitting the basic description.
Bloody Bowels of Hell: Since it's a demon, this is probably where you end up when it kills you.
Boss Banter: Like Specimen 8 before it, Specimen 11 speaks to you as you run from it, albeit in reverse and distorted.
"Come here."
"Stop running away."
"I see you."
"I will catch you."
Burger Fool: You encounter it in a deranged version of one. It was also certainly awful for the people who work there, according to the notes.
Controllable Helplessness: Rather than killing you on the spot, it teleports you to its own dimension. Once it does, it's game over.
The Corrupter: It's highly implied to be responsible for the meat the restaurant uses, which has an extreme addictive effect and causes those who eat it to become more violent, especially to those who bring in outside food.
Deal with the Devil: The fast food chain it is found in was close to bankruptcy when suddenly customers started pouring in. It is very likely the owners of the chain called upon the Specimen to save their business.
Evil Is Visceral: Its appearance makes it look like it's coated in blood and its dimension that it transports you to when it kills you looks very meaty, like the walls are totally coated in unknown meat, if not made of meat entirely.
Evil Sounds Deep: Fittingly, it speaks in a deep and demonic voice.
Expy: It being a Big Red Devil, its corrupting and violent nature, and its almost biblical sounding text during its death screen can make one draw the conclusion that this creature is Satan. Also the restaurant it appears in is based off of a custom level in LittleBigPlanet that one of the developers made.
- Considering how it takes you away to a dimensional labyrinth, it could be considered an expy of SCP-106.
- In HD Renovation, he gets a flame between his horns that resembles that of Hellboy.
Fate Worse than Death: Instead of killing the player, it takes them to a hallway seemingly made of meat. From there, what happens is unclear, but given Spooky and GL Labs have deemed it an ineffective specimen, it likely doesn't let the soul of its victim free.
Have a Nice Death: The player is trapped in a red hallway with walls seemingly made of meat, which leads towards Specimen 11. Once the player meets it, flashing images appear followed by text:
"With every bite with bone and skin. The temple groaned and shook again. His dwelling place did I neglect. To the end with bad effect."
- Much like Specimen 10, binary also flashes for Specimen 11, which says "Believe in God, but question the teachings of men." This line is confirmed to be the "Obligatory Horror Game Religious Quote" but doesn't actually appear in any translation of the Bible.
- In the HD Dollhouse DLC chase, it gains new text:
"To the end with bad effect. My path a single architect. Grease and blood and bone within. A chorus for eternal din."
- The binary for this kill screen is also different, this time translating to "Food feeds the body, words feed the mind."
Hope Spot: If you swing the axe at it, it will teleport away to dodge your attack. While this can buy you some time to get to the next room, often it'll be able to slip a hit in regardless, and there's always the possibility of it teleporting ahead of you.
Human Resources: Random posters found in the mansion heavily imply that the restaurant doesn't use beef for their meals...
Interface Screw: Its ability to induce hallucinations is reflected on how it's able to make the room doors vanish despite them still being there, which tests the player on environmental awareness and positioning so they can effectively escape the demon. Furthermore, when it attacks the player in HD Renovation, it causes flashing images of demonic-looking cows and meat to appear.
Leitmotif: "We Have The Beef". A very oppressive track with a creepy piano, and a beat that raises and lowers in intensity.
Lightning Bruiser: At least as far as the Specimens go, it is one of the fastest as well as one of the most damaging, able to do 40% of the player's health in a single strike.
Never Sleep Again: It apparently can invade the dreams of those who eat its meat.
Playing with Fire: Its HD Renovation model now has a flame shining between its horns, which even produces light.
Sdrawkcab Speech: Its voice is backmasked, making it sound like it is speaking in Black Speech.
True Final Boss: Replaces Specimen 4 as the first option of the three Specimens who can chase you in the HD Renovation of Spooky's Dollhouse.

Specimen 12 (Old Man/Killer)

Voiced by: Vernon Shaw (original), Chris Serani (HD Renovation)

https://static.tvtropes.org/pmwiki/pub/images/ms10_05_spr.png

I see youuuu...

"You'll like being dead. I promise."

A hunched psychopath with a sickle, perpetually grinning, who roams around in an old mansion which, like everything else is located inside of Spooky's own mansion. The Specimen is quite capable of dealing a One-Hit Kill if the player is not careful, which is all too easy to happen inside the cramped fake mansion and its small corridors, but it loses this ability once it chases the player into the normal mansion rooms... Because the Specimen is actually the fake mansion itself, an anomaly that possesses hosts and has them kill in its place, with the Old Man being the current host.

Ax-Crazy: Or rather, Sickle-Crazy.
- One of the series of notes in Endless Mode suggests that he is actually a paranormal investigator for a blog. Greatly implied because the last note mentions grabbing a sickle in a forest, mirroring The Reveal that the man is actually being a victim of Demonic Possession.
Baritone of Strength: He has a menacingly deep voice, and is more than capable of killing the player very quickly.
Boss Banter: HD Renovation gave the Old Man clearer voiced lines, making it one of the few Specimens able to speak, like Specimens 4 and 8. He has the most lines out of all the Specimens by far.
"I see youuu..."
"I hear you..."
"I can smell you..."
"You'll like being dead. I promise."
"You're wasting both our time..."
"Are you in here...?"
"I'm sooo lonely..."
"Where are youuu...?"
"Come out, come out..."
Demonic Possession: The fake mansion is itself the Specimen, using an old man as its host.
Evil Counterpart: Essentially one to the Player, as a human with a bladed weapon (implied to have been obtained from Specimen 8's forest much like the player's axe) who got trapped in a mansion setting. Except here, the Old Man has become demonically influenced and now chases other humans in Spooky's own mansion in order to kill them. He also shows this trope in gameplay, since he also has the ability to sprint after the player character.
Expy:
- His trenchcoat, oversized bladed weapon that he drags around, and how you have to hide from him when he suddenly enters rooms lest you get killed, makes him very similar to the Scissorman. His theme even sounds like the Scissorman's chase theme.
- His dialogue while hunting you down is almost identical to that of the Raincoat Killer.
- As confirmed by Akuma Kira in an interview, his appearance was based off of the killer from Too Many Cooks.
- The Specimen's true nature as a mansion that possesses others and turns them into violent killers is very reminiscent of The Shining.
Foreshadowing: Considering it's a human specimen, this might as well be one for The Specimen Ending, since it shows that normal humans can become a Specimen through certain means.
Genius Loci: The true nature of the Specimen is an anomaly that takes the shape of a mansion, which always changes to fit its surroundings. It uses a "host", namely one of its victims, as a way to hunt down those who enter it.
Have a Nice Death: Its death screen consists of the Old Man's smirking face flashing and distorting amidst creepy, blurry backgrounds.
Humanoid Abomination: This specimen looks fairly human but is just as vicious as all the others. That's because the specimen actually is a human possessed by the real specimen.
Just Toying with Them: The final hiding sequence (where he stares directly at the closet before leaving) heavily implies that he knows where you've been hiding the whole time, and just wants to toy with you before going for the kill.
Leitmotif: "Here Comes Trouble". A fast track that induces a lot of adrenaline, perfect for both escaping and hiding from the Old Man.
One-Hit Kill: If the Specimen notices you when you are inside the fake mansion, he instantly kills you.
Sinister Scythe: His weapon is a sickle with a large blade. It's implied he found it in Specimen 8's area.
Slasher Smile: His grin is decidedly off-putting, as calm as it otherwise looks.
Unexpected Gameplay Change: Surviving this Specimen involves much less running away as fast as possible and instead doing a Stealth-Based Mission while inside room 810.
Vlog Series: The host ran one prior to being possessed by the mansion, and was continuing to update as he explored Spooky's mansion, up until he encountered Specimen 12's room.

Specimen 13 (Siren)

https://static.tvtropes.org/pmwiki/pub/images/mb10_19_texsml.png

An ancient water creature, specifically a Siren, who so far has fed on whales in an underground laboratory and has also taken a liking to human flesh. The creature kills by clawing at its victims first, then drowning them when they no longer resist. Its section is flooded and it uses the water to chase the player more efficiently, only being deterred by wooden boxes along the hallways.

HD Renovation implemented Specimen 13 and its location into Endless Mode and, as of the Halloween Update, it will now be able to appear more than once per Endless Mode run.

Barbie Doll Anatomy: As seen in the HD Renovation, she lacks nipples.
Body Horror: The notes reveal that its preferred target is whales. How does it eat something that much bigger than itself? From the inside, of course.
Butter Face: Of the Nightmare Face variety. She looks like an attractive woman from a distance, and actually looks quite beautiful even up close, but that face is just a disguise for her true face: a hideous grimace with empty eyesockets and a mouthful of nasty-looking teeth.
Cruel and Unusual Death: She feasts on whales from the inside out. She also subjects its victims to this once they're too weak, by drowning them.
Death of a Thousand Cuts: She deals fairly small damage with each individual strike (15), but her attack speed is so high she will still shred you in seconds. In the HD Renovation, she is instead a Mighty Glacier, hitting for a whopping 45 damage (one of the strongest attacks in the game), but with a lenthy delay between blows.
Expy: The Specimen acts very much like the water monster from Amnesia: The Dark Descent. With it being essentially invisible, detecting you whenever you are in the water, and the player hopping on wooden boxes to evade detection from it.
Fan Disservice: Specimen 13 looks like an attractive woman. The start of its kill screen seems pleasant at first, until it changes to a hideous Nightmare Face.
The Great Flood: CAT-DOS speculates that its origins come from someone who died tragically during it.
Have a Nice Death: A flashing screen showing the Siren's initially beautiful face turning into its real, horrifying, and ugly visage.
Hiding Behind Your Bangs: The Siren's hair covers up her eyes. Namely to hide the fact that she doesn't have any to begin with.
Leitmotif: "Something In The Water". A slow, serene track that is nonetheless quite disturbing.
Making a Splash: Kind of, the monster is at home in the water and uses its area to full effect.
Ms. Fanservice: Makes sense since it's a Siren. When it can be seen it faces away from the player, exposing its sexy back. Naturally if the player values their life, they best Ignore the Fanservice.
Nightmare Face: Her true face is an ugly grimace with empty eye sockets and sharp, jagged teeth in a wide grin.
Nothing Is Scarier: When the player is under attack, the enemy remains hidden in the water. Only after the player is killed will the monster reveal its true face.
Our Mermaids Are Different: It did not appear to have a fish's lower half until HD Renovation. It also feasts on whales from within, and can lure people to their deaths using its voice. Failing that, it just chases you.
Put on a Bus: It never appears after the area the player first meets it in and it isn't in the original game's Endless Mode, similar to Specimen 7.
Sirens Are Mermaids: The notes and CAT-DOS suggest it can lure people out using its voice. However, it stays in the water.
Super Drowning Skills: Since the player cannot swim, the monster attacks with clawing and drowning attempts.
Took a Level in Badass: Her AI improved significantly in the Halloween Update, making her circle the crates the player is on top of, as well as being able to use grates on her special rooms to catch up faster. This added on top of the fact she can now re-chase the player multiple times, outdoing Specimen 7 in that regard.
Toplessness from the Back: She keeps her back to the player, and is naked except for a towel covering her butt in the original game.
The Voiceless: She doesn't make a sound outside of her splashing and swimming, and her kill screen contains no words whatsoever.
White Hair, Black Heart: She has silver hair, and will not hesitate to kill you.

The Final Boss (SPOILERS UNMARKED)

Specimen 9 (Boss Mode)

https://static.tvtropes.org/pmwiki/pub/images/taker_spr.png

"I'm taking all those logs they keep throwing out... and I'm nailing them together."

A red-coloured humanoid creature that looks like its skin was flayed off. It hovers in mid air and hurls various attacks at the player or summons minions. As the final boss, it is somewhat strong but can be killed with the axe unlike the rest of the encounters.

The Assimilator: Implied with the radio message before it.
Casting a Shadow: One of its skills is to stretch out a shadowy hand on the floor, which in turn sprouts rows of more hands, all of which can hurt a lot.
Evil Is Visceral: Looks similar to an adult male who had his skin flayed off and his jaw ripped from his skull.
Final Boss: What this guy is, which comes as quite a surprise.
Final Boss, New Dimension: The location of the final showdown with the boss presumably either takes place in a new dimension or another ethereal "location" of the mansion.
Flunky Boss: The Specimen can summon zombie-like minions who slowly walk towards the player using its shadow hand attack.
Humanoid Abomination: This Specimen looks that way because it is Specimen 9 after reassembling its body. The game also reveals that it was originally a male victim of the infamously cruel Japanese Unit 731 from World War II, which it references just before its Boss Battle.
Interface Screw: It uses several of these, namely a bright red layer, up to two layers of blood raining down from the top, random numbers, fog and shapes that look like flayed skin. Sometimes several or all at once!
Leitmotif: "Fried Calamari", a highly oppressive, dark theme as befitting an oppressive, dark Final Boss.
Load-Bearing Boss: Causes the roof to collapse when it finally gets the axe in the "ghost" ending.
Monster Threat Expiration: In its previous form it was an Implacable Man who could kill you in one or two hits. After its transformation it's as dangerous and killable as any typical video game boss.
Pillar of Light: Summons hellish screaming pillars as one of its attacks.
Playing with Fire: The Specimen can hurl fireballs at the player. These have to be shot back to be able to kill it.
Tennis Boss: To defeat it, its fireballs must be shot back at it.
The Unfought: Due to the ending of Spooky's Dollhouse, you don't reach floor 1,000 canonically before you escape the mansion.
Unexpected Gameplay Change: Again, it's a boss, so unlike every other Specimen in the game, you have to fight it instead of running away and it is the only Specimen that can be killed.

Note writers and other characters

General tropes

The other victims of the mansion who went in before you. None of them ever appear, but you can read their notes.

Apocalyptic Log: Pretty much all of the notes are written around the time of the person's death.
Hero of Another Story: The majority of the note writers were several other people who ventured into Spooky's mansion, just like the player.
Shout-Out: One note writer ponders if they should be picking up notes, for fear of being stalked by a tall figure in a black suit.
Posthumous Character: All of them are likely dead by the time of the game but still leave important clues to the settings of the game.

The Romantic Victim

The first person whose notes can be found, and arguably the most famous of them. It's presumed that he died not long after he drank some "wine," but surprisingly, a second set of notes can be found written by him. However, it turns out that he really did die back there, now working for Spooky as a rather incompetent ghost.

Back for the Dead: His second set of notes were written after he had become a ghost, but he wasn't aware of it at first.
Breakout Character: Enough of one to cheat death for a second set of notes. Except not really.
Dead All Along: He really did die after his first set of notes, but didn't realize it.
Hope Spot: His second set of notes make it out as though he actually survived ingesting the "wine," but it quickly turns out that he didn't.
Love Makes You Dumb: Not exactly love, but "romance" in the sense of the artistic style. He's so taken in by the "romantic" aspects of his story that he doesn't really notice the very real danger he's in. Or when he's dead, fails to realize that romance isn't the point of his permanence in Spooky's home.

The Tropes Victim

An explorer of the mansion who plays out different writing tropes in his mind, believing he'll escape unharmed by virtue of being the "main character".

Face Death with Dignity: After realizing he's more likely just posthumous exposition than somebody worthy of Plot Armor, he just notes it was fun while it lasted.
Genre Savvy: His entire gimmick is that he's seen so many horror films he already knows how to survive the mansion. He figures out that he's not going to escape regardless of his knowledge due to just being a side character.
The Hero's Journey: He boils down his trip through the mansion through the traditional structure of the Monomyth, believing he's going through his journey until he reaches the "cave" point. Except, as he realizes on his last note, he didn't have any mentor or actual trial process to go through the manor, so he really IS just a side-character who can die.
Lampshade Hanging: Repeatedly, his notes all filled with playful jabs at people who think they might survive a horror situation because they know the usual horror and writing tropes, a la Scream.
Wrong Genre Savvy: Believes that he'll be safe because he might be the main character. He begins to realize by the end of his notes that he isn't.

The Survivalist Victim

An explorer with a survivalist mindset that ventured into the mansion and catalogued their journey.

Action Survivor: One of these, rationing out food and water as they ventured into the mansion. It bought them a week.
Ambiguous Situation: What exactly killed them, which is notable in this case because they outright mention suffering from hallucinations, which a few of the Specimens are capable of inducing (although as they point out, it could also just be from fatigue or the like).
Face Death with Dignity: In their final note, they mention how they've come far enough and wish good luck to whoever finds the notes they've left, claiming they'll be watching over them.

"Jasper Midnight"

A mysterious writer who visited the mansion at some point, finding delight in its horrors.

Action Survivor: Midnight makes it pretty far, being one of the few note writers to actually mention the Specimens they face. Apparently they made it all the way past Specimen 8's area before dying of unknown causes.
Calling Card: Addressing whoever finds their notes with "Dear Reader" and signs off each note with the initials "JM".
Nightmare Fetishist: Whoever they are, the horrors lurking within Spooky's mansion send them into morbid bliss. They always sound delighted to meet another Specimen, describing the likes of Specimen 8 with poetic turn of phrase and seeing "beauty" in Specimen 5's introductory area.
Only Known by Their Nickname: Even in their own notes, the writer acknowledges that they are "known" as Jasper Midnight, indicating it's not their actual name.

The Child Victim

A young child who probably wandered into the mansion and wrote notes mentioning a party their parents were gonna throw for them.

Death of a Child: To show just how cruel Spooky has become, allowing a kid to die to one of the Specimens inside the mansion.
Hope Spot: On the last note, the child mentions how they think they see their daddy coming to get them out. It wasn't.
Kick the Dog: The fact a young kid died inside the mansion shows just how throroughly uncaring Spooky has become, even for people either just as old or younger than herself when she died.

The Vlogger Victim

A Vlogger who ventured into the mansion as part of an urban exploration video series, but ended up without batteries on their camera.

Action Survivor: Went as long as he could exploring the mansion and seeming to be only slightly bothered by its horrors. It sadly ended when he reached Specimen 12's section and became its new host.
Cool Old Guy: Given that this is Specimen 12's current host, the fact an older man could pull off this type of video as a series before they died, and keeping in mind how friendly he addresses the "viewers" in his notes, he must've been really cool indeed.
Wham Line: Reading the notes, a player might think they're just another of the many note writers in the game... and then they mention reaching what appears to be Specimen 8's area and finding a Sickle stuck on a tree.

Generic Lab (GL) Labs

The main enemy organization of the game. They are a mysterious organization working under Spooky who capture and study the Specimens to turn them into living weapons. Using the mansion as their base, they run experiments in which those lured to the mansion are killed by the Specimens in various ways. Several notes from personnel are found throughout the mansion.

Corrupted Character Copy: GL Labs is modeled after the SCP Foundation, being a secretive organization run by a non-human entity who seeks out and captures strange entities that could potentially pose a threat to humanity, then studies them to try and discover how they work, and sends out poor souls to be victimized by the entities as part of the experiments. But while the Foundation at least wants to protect humanity from the entities and uses convicted criminals as guinea pigs, GL Labs is a Nebulous Evil Organisation that aims to weaponize the entities and use them to Take Over the World, while luring innocent people to the mansion and using them as subjects.
Fate Worse than Death: Implied with a few cases. Most notably, one such GL worker is hinted as having become the current Specimen 10.
For Science!: While working under Spooky is bad enough, the labs themselves didn't seem to really think about the extents of their research, if creatures like Specimen 3 are any indication. The Dollhouse DLC shows that some employees were doing the research into doll vessels in very inhumane ways, only caring about the results. Whether or not that's due to Spooky's push and influence isn't made clear, but Woormy Charles is a creature explicitly stated to be in a constant state of pain from its condition.
No OSHA Compliance: Spooky's presence enforced a terrible work environment where deaths were common, with researchers frequently dying to the creatures they helped study or even create.
Red Shirt Army: Spooky being a Bad Boss whose only concern is having a ghost army to conquer the world with, every time you see a GL Labs note, expect the writer to be dead from her complete apathy towards them, often leaving them to die at the Specimens' hands.

Spooky's Parents (SPOILERS UNMARKED)

https://static.tvtropes.org/pmwiki/pub/images/spookys_parents.PNG

Their ghosts in the Golden Ending of Spooky's Dollhouse.

^{Click here to see Spooky's father's corpse.}

Near the end of the Karamari Hospital DLC, a couple of notes with no author can be found, with the writer heavily implied to be Spooky's parent. Apparently tried to use occult methods to see their daughter again.

Accidental Murder: Spooky's father accidentally murdered her on Halloween. He then blamed it on a hobo because of his guilt.
And Now for Someone Completely Different: Towards the end of Spooky's Dollhouse, the player temporarily switches to playing as Spooky's father while the latter recounts a Nightmare Sequence Flashback of the night he accidentally shot and killed Spooky.
Given Name Reveal: Spooky's Dollhouse reveals the name of the mother on her tombstone; Monica. She died in 1968, a while after World War II ended. This ends up being a very subtle hint at what really happened one fateful Halloween night.
Gone Horribly Wrong: Their attempts at seeing their daughter again is implied to be the cause of the Demonic Possession that plagues the hospital, and perhaps why Spooky Came Back Wrong. Spooky's Dollhouse reveals this was more or less entirely the doing of Spooky's father.
Greater-Scope Villain: Spooky's father is the one who killed his own daughter in a PTSD-induced hallucinatory rage, and his desire to bring his daughter back led him to found GL Labs to conduct experiments to bring back Spooky. This succeeded, but Spooky Came Back Wrong, took over GL Labs, and became the Big Bad.
Offing the Offspring: By complete accident, the father shot Spooky and killed her, then spent the rest of his life trying to bring her back.
Shell-Shocked Veteran: Spooky's father is revealed to be one. The Nightmare Sequence shows him stumbling around his home with a rifle, shooting the Nightmares that rush him down; creatures with their own guns and WWII era helmets. This leads to him accidentally shooting his daughter on reflex.
Unnamed Parent: Spooky's father never has his name revealed.
Walking Spoiler: Considering they shed more light on the backstory of Spooky and the setting, this is a given.
Well-Intentioned Extremist: The father founded GL Labs and performed all sorts of unethical experiments, like binding souls to dolls and abusing them or linking to the Hell Gate, all in a misguided attempt to bring his dead daughter back to life.

The Cat

"Well, hello there. Are you lost, little one?"

The Cat that appears before Specimen 7 is introduced, it gives the player cryptic advice and warns them about continuing before they face Specimen 7.

Amazing Technicolor Wildlife: The cat is pink for some reason.
Cats Are Mean: Averted. It gives beneficial (if unusual) advice, and tells the player to be careful before they come into contact with Specimen 7.
Knowing your shadow can greatly help you, but be ready to see what you'd rather not be.
Cryptic Conversation: Every time the player talks to the cat it gives unusual advice.
Mind Screw: Everything about the Cat, and the area it appears in, fits this trope to a T. Amplified by being Put on a Bus after the player enters Room 411.
- A lot of players assume that the Cat is a part of Specimen 7, but nobody is really sure how it relates to the Specimen or the House in general.
Non-Indicative Name: The credits refer to the cat as "the White Cat", even though it is clearly pink.
Put on a Bus: The cat never appears after room 410, and not even mentioned anywhere outside of that particular room.
Spirit Advisor: Implied. The cat's advice isn't so cryptic after all, since it's actually Jungian Psychology, and its warnings about "knowing one's shadow" and "the mask you wear" resemble the ideas of Personas and Shadows as defined by Jung.

Karamari Hospital Monsters

General tropes

The monsters haunting Karamari Hospital, serving as the equivalent to the Specimens. They can also appear as chasers in Endless Mode.

Contrasting Sequel Antagonist: The Monsters are more uniformely designed but also more outwardly visceral than the flashier, etherial Specimens.
Demonic Possession: The notes in the hospital imply that these monsters used to be people who began "hearing voices" and blacking out, finding that they have done things to harm others.
No Name Given: With the exception of the Ghost Cow (whose name is present only in the credits). Justified, as they haven't been classified like the Specimens.
Non-Standard Character Design: With the exception of the Ghost, they are all rendered in 3D models, making them look off in a normally 2D game.
Nightmare Face: Their Arc Symbol, as it’s shared across all of them.
Outside-Context Problem: It's never revealed what, exactly, created these monsters (but vaguely implied Monster 5/the Ghost Cow was responsible). Spooky herself had no idea there even was an entire hospital below her house, much less monsters.
The Spook: Given the most knowledge we have of them is rather vague at best.

Monster 1 (Officer)

https://static.tvtropes.org/pmwiki/pub/images/monster_1_sjsm.png

A humanoid enemy that is dressed like a police officer, whose arms have swelled and essentially became meaty clubs. He's slow and thus easy to avoid but hits brutally.

The Blank: You can only see an outline of where his eyes would be, and he also lacks a mouth.
Body Horror: The officer's hands are horrifically swollen, to the point where there's no visible fingers, only a rough "edge" of where the tips would be.
Demonic Possession: Given what happened to the staff at the hospital, it's possible this creature Was Once a Man as well, who ended up corrupted and deformed beyond recognition.
Expy:
- Its club-shaped arms and zombie-like appearance possibly make it one of The Tank.
- The overall lankiness of the monster paired with the club-like arms could also be evocative of the Mandarins or the Closers.
Eyeless Face: Its most prominent feature apart from its hands are its empty, black eye sockets.
Hell Is That Noise: Will occasionally make a groaning sound when it chases you.
Killer Cop: Wears a security officer’s attire, which raises some questions.
Leitmotif: Associated with the ambient track "Bleh Wind", which plays in the ward it patrols.
Mechanically Unusual Fighter: Rather than actively chase the player, it aimlessly patrols the hospital and will only attack if you get close to it.
Mighty Glacier: It's quite slow, but it causes the highest damage among the Hospital's monsters.
- Lightning Bruiser: However, if it manages to get close to the player it will move at a much faster pace.
Nightmare Face: Its eyes are gouged out of its face.
Put on a Bus: Doesn't reappear with the other Karamari Monsters for Endless Mode.

Monster 2 (Body Bag)

https://static.tvtropes.org/pmwiki/pub/images/e70ac3f6_7041_42ff_afb9_fa244db3ec79.png

A floating body bag with its zipper half-down, revealing the body inside. First encountered in the hospital's morgue, it seemingly attacks with hallucinations as it chases you.

It's one of the monsters from Karamari Hospital which can be encountered in the game's Endless Mode as a regular chaser.

Eyeless Face: The corpse inside of the body bag lacks eyeballs.
Freeze-Frame Bonus: Its Jumpscare has a very well hidden set; two messages that read “The worm feeds from you” and “Why did you leave your soul behind?”, which it will repeat should it damage the player.
Interface Screw: Besides flashing the phrases above in creepy images, it also freezes the player's stamina at max, which allows them to run without slowing down as long as the chase is ongoing in the DLC. Unfortunately for the player, it doesn't do this again in Endless Mode.
Jumpscare: The flashing screens occur as soon as the player enters its room, then once again if it manages to reach or attack you.
Leitmotif: "Nightmares Become Fantasies", a very tense drum and gong beat, but you would be hard-pressed to listen to it well since the chase is quite short in the DLC proper.
Lightning Bruiser: It's fast, able to easily catch up to an unaware player, and deal considerable damage if it gets too close. As a form of gameplay balance, despite hovering over the ground, it cannot fly over chasms nor can it go through walls.
Reality Warper: Encountered in a series of hallways in place of what would be a normal hallway, and it can also suddenly reappear to cut off the player. And when the sequence ends, the player is right at the hallway where they would normally be.

Monster 3 (Baby Face)

https://static.tvtropes.org/pmwiki/pub/images/monster_3_6.png

A distorted floating face of a baby that occasionally shifts into something even more horrifying. It seems to be trapped in a box and can move through walls like a ghost.

It reappears as a random encounter in Endless Mode.

Achilles' Heel: It can be killed with the sword in the DLC, which will make it stop pursuing the player for a room, but it will come back as soon as the player enters another room, being the only monster that can return even after being struck with the sword. In Endless Mode, hitting it with the axe will do the same.
Back from the Dead: The only Karamari monster that can reappear after being killed by the sword.
Enfant Terrible: The head vaguely resembles that of an infant’s.
Facial Horror: Its face will occasionally flicker to a more mangled version of itself.
Hell Is That Noise: Will occasionally make somewhat muffled, distorted baby noises.
Leitmotif "Old Experiments", the ambient theme for the basement corridors it's found in during Karamari Hospital. Conversely, it lacks a theme in Endless Mode.
Nightmare Face: If its face is supposed to be that of a baby, it's of a very disfigured one. And it can get much worse, too.
Nothing Is Scarier: No music plays when it chases you in Endless Mode, so the player can be caught by surprise if it appears in a closed space and hears the baby cries too little too late.
Not So Harmless: In Endless Mode, he spawns in a completely random spot. If you're lucky, you'll be able to reach the exit door before it even enters the room. If you aren't, it'll come out of the wall right as you're passing next to it and hit you.
Our Monsters Are Weird: Debatably the most unusual creature in the game, which says quite a bit.
Took a Level in Badass: In a sense: it's slightly more difficult in its Endless Mode appearance due to the more narrow mansion hallways.
Weak, but Skilled: In a way, it can be this in Endless Mode. Depending on the room you’re in, it can cut off the way to next room with its large hitbox to counter its slow movement speed.

Monster 4 (Hanged Corpse)

https://static.tvtropes.org/pmwiki/pub/images/monster_4_0.png

A humanoid enemy, presumably a victim of the hospital's crazed staff, who is first encountered hanging by the neck from the ceiling in the basement corridors, but then reappears alive and very hostile as soon as the player leaves his room. Incredibly fast and dealing moderate damage, fleeing from it is very difficult since it seems capable of teleportation.

It can also appear as a random encounter in Endless Mode.

Bandaged Face: Its entire face is bandaged except for its eyes and its mouth full of sharp teeth.
Body Horror: Assuming this monster was human at some point, this man now has a wide-open mouth full of sharp teeth and bleeding claws instead of nails.
Creepy Long Fingers: Presumably what it also attacks you with.
Demonic Head Shake: In its game over screen.
Driven to Suicide: Implied. You find it hanging from the ceiling in its initial encounter, and one of the random images of its death screen appears to be a suicide note.
Expy: Karamari Hospital's analogue to Specimen 6; it is quicker but does less damage.
Freeze-Frame Bonus: Among its death screen images is a picture of a family, along with what seems to be a suicide note.
- Amusingly, there's also a QR code that can be scanned, which leads to a lifehack quote site.
Have a Nice Death: Later added in Endless Mode; Its head twitches erratically while images flash behind it, followed by text that reads:
"Dark worms scream inside my brain. Begging me to eat again. Hearts, and blood, and bile, and soil. I must consume to end turmoil."
Hell Is That Noise: Once it starts chasing you, its Leitmotif begins with an animalistic roar.
Hidden in Plain Sight: It's hanging in the room that holds the Isolation Room key.
I'm a Humanitarian: Greatly implied to eat you in its game over screen. Not to mention its death screen implies it has a compulsion to eat everything around itself, possibly including its own body.
Interface Screw: Its appearance in the original is punctuated by a foggy overlay on the screen.
Lean and Mean: Has long limbs and is pretty slim, especially its skeletal hands.
Leitmotif: "T. Rex Can't Wear Mittens", a heavy, pounding theme that starts off with a terrifying loud roar.
Lightning Bruiser: Unlike Specimen 6, you can outrun this monster as long as you keep sprinting. The catch is, when you stop sprinting, you only have a split second to stop it via looking at it.
Nerf: It loses its fog in the HD version.
Nightmare Face: The half of its face that can be seen is rotting, its teeth are razor sharp, and its eyes are hollow.
More Teeth than the Osmond Family: And supposedly they're able to eat through human flesh.
Offscreen Teleportation: Like Specimen 6, it can teleport behind you when not looked at, however even if you look at it, it will still teleport behind you after a few seconds.
Teleport Spam: How it moves in the HD version, which can actually be witnessed.
You Don't Look Like You: While it’s still hanged, it’s a rather gross shade of red and yellow. It also lacks its bandaged face and long fingers, replaced by what appears to be a featureless mask made of skin over its head.

Monster 5 (Ghost Cow)

https://static.tvtropes.org/pmwiki/pub/images/monster_5_9.png

The ghost of a cow that is presumably possessed by a "thing" that looks like a mouth with an eye inside, from which the cow hangs upside down. It is encountered in a tight maze and moves in short bursts of teleportation. It may be possible to reduce getting hit by it by (admittedly counterintuitively) not running away from it but keeping a normal pace.

It reappears as a random encounter in Endless Mode.

Animalistic Abomination: Assuming it was even an animal to begin with and not a demonic mockery of a bovine.
Body Horror: It's a levitating upside-down bull with a disturbing lip/eye protruding from it, which is supporting the entire mass of the creature.
Climax Boss: In a weird way. Beyond being the last mandatory Monster from the DLC, you reach the hospital through the elevator shaft in room 995, only a few rooms away from 1,000 and the showdown with Specimen 9, as well as being both after a steady stream of lore for the hospital and being just before the reveal involving Spooky's father.
Demonic Possession: The lip/eye thing seems to be possessing or assimilating the cow, and it's implied to have inflicted this on the hospital workers.
Does This Remind You of Anything?: Its bent limbs and bloodshot eyes are essentially a gorier depiction of symptoms associated with bovine spongiform encephalopathy, commonly known as "mad cow disease", which can lead to brain problems, erratic behavior and impaired movement on humans.
Evil Makeover: Its chase in Endless Mode corrupts the rooms it follows you through to resemble its original labyrinth in Karamari Hospital, except much darker.
Final Boss: For Karamari Hospital, as it's the last Monster you have to encounter in the plot before you proceed to the ending.
Greater-Scope Villain: While Spooky is still the Big Bad, its death screen implies that this monster is the source of the madness that occurred in the hospital, since the text indicates it can control people's minds, particularly the emphasis on making people "forget".
Have a Nice Death: The still image of a brain over a bloody-red background, with flashing text overlaying that reads:
"Your fear allows me to enter your mind. Your obligation allows me to control your hands. Your reason allows me to break your eyes. Your guilt allows me to loosen your neck. Your expectation allows me to hide the truth. Your tendencies have allowed me to make you"
- What's interesting to note is that the words fear, obligation, reason, guilt, expectation, and tendencies make an acronym of the word "forget".
Interface Screw: In Endless Mode, its room corruption is now accompanied by a dark fog while the player's vision is surrounded by a blood-red aura that constantly pulses.
Leitmotif: Has two chase themes, one for each of the modes it's found in:
- Karamari Hospital has "100% Angus", a quiet but tense theme with resounding echoes and the occasional sound that seems to be the distorted "moo" of a cow.
- Endless Mode gives it "M7_AMB", a more intense version of its original theme.
Lightning Bruiser: Holy hell is it fast, able to catch up even when the player is sprinting. It's also encountered in a maze, making it harder to avoid.
Mythical Motifs: The fact that it's a bovine-looking creature found in a maze the player needs to traverse seems to invoke the story of Theseus and the Minotaur.
Red Eyes, Take Warning: In addition to its two eyes, it also has a mouth-eye thing above it that is also red.
Slasher Smile: A deranged smile that looks even worse since the cow is upside-down.
Teleportation Spam: It moves through this in the original version of the game.

Monster 6 (Bekka)

https://static.tvtropes.org/pmwiki/pub/images/monster_6_8.png

A ghostly young woman in a black dress, this enemy waits at the end of a long corridor in the basement for unsuspecting victims seeing a bright white light in hope of finding an exit. Instead they find her and are instantly killed.

She can also appear as a random encounter in Endless Mode - this time as a "regular" chaser.

Composite Character: Gains Monster 4’s fog in place of her original Interface Screw in the HD version’s Endless Mode.
Eyeless Face: In keeping with the theme, the ghost lacks any eyes, and in this instance, any actual eye sockets.
Expy: Of Specimen 9 in Karamari Hospital itself - a monster that instantly kills you if you make the fatal mistake of proceeding down a seemingly endless hallway. In Endless Mode, she is more similar to Specimen 4, though she is deadlier due to her lightning-fast attacks.
Have a Nice Death: A silent, flashing close-up of her eyeless face with a single line in front:
"Don't get up before Saturday".
Interface Screw: A dark fog that nearly obstructs the player's field of vision in the original. HD Renovation gives her Monster 4's fog overlay instead.
Leitmotif: "BEKKA_AMB" in Endless Mode, a sinister theme with a pounding beat.
Lightning Bruiser: In Endless Mode, natch - she floats like Specimen 4 and Specimen 8, but is far deadlier than either, with fast and hard-hitting attacks that can kill you in a second if she catches you.
Nothing Is Scarier: As there is no confirmation as to how she kills you, all you're left with is the incredibly vague death screen as an idea for how you died.
- There's also the hallway she's initially found in, containing nothing but a single light at the end. That light wound up being her.
She Was Right There All Along: She's the light at the end of the endless hallway in the Isolation Zone.
Schmuck Bait: She waits at the end of a seemingly endless corridor, much like Specimen 9. For added insult, while 9's corridor slowly gets thinner (thus discouraging players from continuing), hers has a white bait at the end of it. Said bait being the monster herself.
Shout-Out: The name "Bekka" and her association with the color black seem to be a rib at young artist Rebecca Black and her infamous single "Friday", particularly Bekka's death screen of "don't get up before Saturday" (ie on Friday).
Slasher Smile: Pretty much its only discernible facial feature.
Trap Master: Her new chase strategy in HD Renovation is to appear only when the player is just a few steps away from the room's exit door, referencing her surprise attack in Karamari Hospital. She will then briefly chase the player away from the door then disappear from the room. Worse, she'll appear seemingly at random intervals as long as her chase is ongoing, meaning she might appear in consecutive rooms then not show-up on the next, all to keep the player guessing.

The Scare Chair

https://static.tvtropes.org/pmwiki/pub/images/monster_7.png

A ghost sitting in a red chair. Not much is known about it but it seems to kill by teleporting people into a desert with no escape. As of HD Renovation, it no longer qualifies as a "Monster" in the same vein as the other entities within Karamari Hospital.

The Cameo: The chair itself appears behind you in the Nightmare Sequence in Spooky's Dollhouse.
Easter Egg: Actually getting killed by the Chair Ghost will only happen if you sit in its chair for a very long time, then kill it and sit down again.
Evil Is Visceral: A thick trail of blood will appear when you remain in the chair.
Fate Worse than Death: Implied by the text in its kill-screen, where the sand is screaming and something is trying to force its way into you.
Have a Nice Death: Happens to be the other of only two monsters in the DLC that have a special kill-screen from the getgo, despite not being classified as a "Monster" proper; essentially, the player vanishes into a foreign dimension full of sand dunes and a bright sky with a visible eye on the sand, with a text overlayed reading:
"You awake in a wasteland not meant for you, The ground underneath you screams. The sky above violently pulls you. And the air around you presses down, trying to worm its way in."
Nightmare Face: When you sit in the chair long enough, a very creepy face keeps flashing and laughing at you.
Put on a Bus: Doesn't reappear with the other Karamari Monsters for Endless Mode.
Schmuck Bait: The only monster/specimen that you can be killed by that doesn't chase you. So it entirely preys on the player being curious enough to sit on it.
Slasher Smile: The face that briefly pops up has one.
Your Soul Is Mine!: Heavily implied of what it does to you if you sit in the chair for too long. Becomes an implied Grand Theft Me if you destroy the ghost in the chair and sit back down.

Spooky's Dollhouse Monsters

Husks

https://static.tvtropes.org/pmwiki/pub/images/huskwalk.png

Bloodied dolls that chase after the player in the halls. They're the failed attempts by GL Labs to bind spirits into the physical world via simple dolls.

As of the 2021 Halloween Update, a group of Husks can now appear in Endless Mode, where killing them will prevent the player from being chased by them.

Body Horror: Under their skin appears to be flesh, which dolls do not have.
Creepy Doll: You bet. This is especially so in the original iteration of the game, where they look far too organic and fleshy for comfort, not to mention the animation making them jerk and twitch as they move.
Have a Nice Death: The Husk's darkened face on the background with text overlayed:
"Scarlet burning holes are placed into the skin and flesh rebound into an unfamiliar form. Molded into something new, the husk reshaped into a skin more accepting of the howling void."
Leitmotif: Averted, they gain no new theme in Endless Mode.
Mooks: The most common enemy in the Dollhouse, and thankfully easy to kill with the axe.

Woormy Charles

https://static.tvtropes.org/pmwiki/pub/images/charlesrun_7.png

A long-limbed bipedal monster that wobbles its way through certain rooms of the Dollhouse. Seems to be some kind of flesh creature inhabiting a doll body.

As of the 2021 Halloween Update, Woormy Charles is now present in Endless Mode, acting much like he does in the DLC.

And I Must Scream: Like the Husks, it's implied this creature is a pitiful spirit trapped inside a doll-like body, a condition it finds agonizing. Unlike the Husks, it can at least write down what it feels.
Combat Tentacles: What its limbs seem to be.
Creepy Doll: Or rather, a strange, mutated creature with a doll's face and extremities made of bulbous flesh.
Fluffy the Terrible: "Woormy Charles" isn't exactly the most intimidating of monikers.
Have a Nice Death: A creepy sequence in the background showing a human body on a torture device being stretched painfully beyond its limits, with a text in the foreground which reads:
"Form within form writhes and pulses. Skeletal sinews stretch outward from beneath the skin wrapped around it. It pulls until the skin's elasticity fails ultimately. From these small holes the tendrils of bone finally escape. You are finally free of this constricted bag of flesh."
Interface Screw: Causes a static overlay to appear when you face it.
It Can Think: It wrote a note the player can read in the room where it's introduced in, lamenting its current state and how its body is so restrictive and seemingly painful, blaming GL Labs for its state.
Lean and Mean: This thing is, simply put, ghastly, from the way its tall, incredibly skinny body flops around like it has no bones.
Leitmotif: It has two:
- First is "WD_AMB", a track that sounds like echoing footsteps put onto an old tape.
- Second is a track simply called "Charles", a static-y sounding tune accompanied by an ominous piano track, although it doesn't get used in the game proper at any point.
Lightning Bruiser: Once he finds you, he can outrun you and can deal sizable damage. It takes ten swings to bring him down, and only if you catch him after he tries to attack you.
Offscreen Teleportation: Seems to do this. In his chase in his first room, the player seals him inside his room with a metal door locked from the outside. Despite this, he'll appear moments later in the hallways and give chase again. The player can even return to his original room, and the door will still be locked and intact, so how Charles escaped is a complete mystery.

The Clown

https://static.tvtropes.org/pmwiki/pub/images/cloun.png

A clown that was locked in a cage after an attempt to summon a friendly clown spirit brought out something else.

It shows up in Endless Mode as of the Halloween Update, found in Unknown Specimen 2's room as an Easter Egg.

Cardboard Prison: He eventually gets out of his cage all on his own after you leave the Playroom.
The Dreaded: Despite being completely harmless, entering his room causes the Doll to cover her eyes in fear.
Gone Horribly Wrong: GL Labs tried to summon a friendly spirit to entertain the dolls in the Dollhouse in order to keep them calm. Instead, they summoned something that only looks like a clown.
Harmless Villain: Despite his threatening appearance, he will never actually attack the player.
Humanoid Abomination: Nobody's quite sure just what he actually is.
Monster Clown: But of course.
Nothing Is Scarier: On multiple levels, since his true nature is a complete mystery. In the original version of the game, he never shows up again after disappearing from his cage. In the HD version, he may show up in certain rooms after he escapes, but even then he won't attack the player no matter how close they get to him.
Offscreen Teleportation: He'll stay completely still as long as you can see him, but he'll instantly change his position the moment you look away. After a certain point, he'll also disappear from his cage and, in the HD version, appear constantly around the house.
Optional Boss: The player can trigger the Clown to chase them in Endless Mode if they find the summoning method in Otto's room. While it doesn't do damage, it can bodyblock the player near a room's exit door, leaving them vulnerable to other monsters.
Suddenly Voiced: Leave the Playroom the first time and you'll hear him say "bye-bye!" right behind you.

Hooked Doll

https://static.tvtropes.org/pmwiki/pub/images/whydotheysavetheseasgifs.png

A life-sized doll guarding the piece of a pinwheel emblem needed to leave the underground lab floor. As it name indicates, it's first seen hooked to a wall in the underground and has these hooks all over it when you next see it appear, coming loose when the player needs to retrieve the black candles from the underground.

It also chases the player in Endless Mode as of the 2021 Halloween Update.

The Blank: If you get a good look at it (which is not advised), you'll see it lacks any facial features.
Creepy Doll: Like pretty much everything else in the DLC. At least this one doesn't have visible mounds of flesh.
Don't Look At Me: How it functions, staying still in the air until you look at it, in which case it will move closer to attack.
Fingerless Hands: Possibly a Justified Trope because it's a cloth doll, and those tend to lack fingers.
Have a Nice Death: The player becomes trapped in a red hallway with the Hooked Doll suddenly flying at the screen from below. Text then follows as the player is repeatedly stabbed with hooks:
"A wicked nasty child was thrown into a pit. No food, light or water was ever given to it. Punishment was dealt, without mercy or hesitation. As if justified by faith, or ownership from creation. It was no righteous act, it was hellish, demon sent. Eventually all will find out, in eternal torment."
Interface Screw: Looking at it causes static to show up, giving you a clue to look away. In Endless Mode, it also carries the blue haze that obscures part of the player's view from its original basement area, along with an old-film style distortion to the screen.
Leitmotif:
- "Someone's Playing on the Hooks" for the original game, a quiet, ominous tune utilizing piano notes and ambience.
- It gained a second, new theme for HD Renovation entitled "I'm Hooked On You", a similarly quiet tune relying on ambience, low chiptune and what sounds like breathing.

Frenzy

https://static.tvtropes.org/pmwiki/pub/images/gofast.png

The shadowy figure of a demonic-looking woman wielding a knife. It will appear only if you don't keep your doll happy enough.

Ax-Crazy: Its death screen text implies it loves inflicting pain, since it's the one death text in the whole game to emphasize the monster's desire for it with exclamation marks.
Fragile Speedster: She moves extremely fast and cannot be outrun, but she deals low damage and can be killed in a single axe swing. Good luck trying to hit her in the first place, though.
Have a Nice Death: A plain static screen with text over it:
"Frenzied torment, distorted Mind! Blood to spill, bones to grind! The flesh it takes for time to wind, Eye for eye makes all turn blind!"
Hell Is That Noise: A bloodcurdling and furious shriek is heard when it appears.
Interface Screw: When she damages you, the screen turns black for a few seconds before slowly returning to normal.
Living Shadow: What it seems to be. Even in the HD version, it still keeps a 2D look and design.
Me's a Crowd: Her low damage output is compensated by the fact that there can be multiple Frenzies at once to quickly rack up the damage.
Super-Speed: She moves extremely fast and will damage you if you aren't right next to a door.
Video Game Cruelty Punishment: This thing is the key reason you should keep your doll happy.

Nightmares (spoilers)

https://static.tvtropes.org/pmwiki/pub/images/helmetguy_1.PNG

Inner demons appearing in the nightmare of Spooky's father. They are the embodiment of his post-war PTSD and serve as enemies in his short section.

Body Horror: They're warped humanoid creatures with multiple holes in their chests, and WWII-era machine guns fused into their torsos.
Harmless Enemy: The Nightmares are incapable of killing you. This is because they are merely PTSD-induced hallucinations.
Meaningful Name: The Nightmares are just that- they're not real.
One-Hit-Point Wonder: A single bullet is all it takes to strike them down.
Perpetual Frowner: The Nightmares have permanent scowls on their faces.
Small Role, Big Impact: These guys only appear at the tail end of Spooky's Dollhouse. It turns out that they're partially the reason as to why and how Spooky died in the first place- her father shot her thinking she was one of them.
Through the Eyes of Madness: The Nightmares are hallucinations that Spooky's father had during a PTSD episode, caused from his trauma of serving in World War II.
Walking Spoiler: Or rather, floating spoiler. These guys were the catalysts for the whole story, as Spooky's father unintnetionally shot her while fighting them off.

Unknown Specimens (Endless Mode)

Unknown Specimen 1 (White Face)

https://static.tvtropes.org/pmwiki/pub/images/white_face.png

Hello! Do You know my name? I made something for You.

Yes, that White Face. It chases the player, similar to how it did in its own game, only this time it's way more active to compensate for being outside of its comfort zone. The real trouble, however, starts if your health is depleted.

Adaptational Villainy: It can visibly kill your character, stuff them into a bag and hang them on its old noose, taunting you over it and even eviscerating the body should you ask to "open" it. It's quite a change from Imscared, in which it was kind of hard to tell how malicious this thing truly was, but even then it can be assumed White Face knows it isn't harming the actual player over the screen.
Art Shift: Look at him for too long and he'll change from his simplistic, pixelated look to a fully-detailed modern style.
Don't Look At Me: Played with. On one hand, looking at it makes it teleport away; on the other hand, it causes a red flash and has a chance of reappearing right behind you every time you do.
Driven to Suicide: Subverted. After White Face captures the player, the message "death is no escape" appears on the screen. The player then finds themselves on the void room with the chair and noose as a Call-Back to the source game, but the noose is already, and unwillingly, in use...
Evil Makeover: Like Monster 5's effect in Endless Mode, it will corrupt the mansion's rooms and have them resemble its source game by making the walls and doors heavily pixelated and simplistic.
Fission Mailed: If it catches you, note what happens to the "Insert your name". If you replace "CLOSE" with "Open" and press enter, it'll start a second chase.
- HP to One: Your health is kept at its absolute minimum, and doesn't recover until after you escape it completely.
- Turns Red: White Face loses the ability to teleport, but becomes considerably faster. Also, the room itself becomes red and gory.
The Fourth Wall Will Not Protect You: As usual for it. Specifically, during its death screen sequence where it hangs the protagonist and sets your username on them. And even a bit later, by replacing Spooky's face on the main menu.
Guest Fighter: From Imscared.
Have a Nice Death: Assuming you fail to start the second chase, the last thing you see is White Face floating towards you with a corpse hanged to the side. True to its origin, it talks to you:
"Look at you... How sad. Your body is all closed up."
Interface Screw: The screen flashes red at random or every time you directly look at it in the original version. The same red flashes happen a few times before it teleports in HD Renovation.
Leitmotif: Borrowed from its game is "WF AMB", a quiet theme mostly composed of ambient noises and static, which will play during its second chase.
Nightmare Face: It's a floating head. Moreover, White Face randomly becomes detailed and more gruesome-looking when you stare at it for too long. So much for not being too scared of it because it looks cartoony...
Non-Standard Character Design: White Face and its levels are presented as old school pixel art, except for the brief flashes you can get of it looking as detailed as the rest of the cast.
Super-Persistent Predator: Consistently one of the Endless Mode opponents that takes the longest to stop chasing the player.
Void Between the Worlds: White Face takes you to its room with the chair and noose once it captures you.

Unknown Specimen 2 (Otto the Otter)

https://static.tvtropes.org/pmwiki/pub/images/otto_81.png

Har har har har har harrrr

An otter animatronic from a pizzeria. It chases you, but it's the least effective Specimen barring 1.

The Goomba: It's slow, deals negligible damage, and you'd have to actively try to get killed by it.
Have a Nice Death: Assuming you get curious and let it kill you, its death screen is essentially a pathetic attempt at a Jump Scare where the scream is too low and its face is not at all intimidating even up close. HD Renovation makes it even sillier by having Otto gradually approach the camera as random slices of pizza fall around it.
Joke Character: It deals minimum damage, and it moves really slow as long as you look at it. The only way it can become remotely dangerous is when it's accompanied by another, deadlier creature, but even then you'll be most likely to worry about THAT monster rather than Otto.
Jump Scare: Mocked with its death screen, which comes off as lame even compared to Specimen 1's M.O.
Killer Robot: Does it have a murderous A.I.? Could it be haunted?
Leitmotif: Averted. It's one of the only characters to not have a theme song specific to it. Most of the time, if his goofy laughter doesn't clue you in that he's chasing you, the complete silence will.
Letting the Air out of the Band: Unlike Monster 3 or the Husks, the sheer silence of Otto's chase can actually override another Specimen's musical theme, as if this trope has kicked in and the game has gone quiet because Otto's active again.
Non-Standard Character Design: Looks much more cartoonish than the other Specimens. Given the nature of the character, it's probably to rob it of any potential creepiness. Even its 3D model in HD Renovation looks far more artificial and goofy than any other being in the game.
Take That!: Fans kept pestering the creators to add a Five Nights at Freddy's monster. They complied, then made it suck out of spite. That being said, Akuma Kira has also gone on record saying that Otto is an Affectionate Parody of FNAF fan-games.
Un-Evil Laugh: If looking at it didn't rob it of all potential creepiness, hearing it sure will, since it's a mockery of the actually-creepy Freddy Fazbear laugh.

Unknown Specimen 3 (Spooper)

https://static.tvtropes.org/pmwiki/pub/images/spooper_1.png

^{Click to see parasite appearance}

Seemingly a kid wearing a really cheap ghost costume who randomly appears and blocks your path. The solution: whack him with your axe. After a few hits, you end up in a toxic area and must flee before your health runs out, since you've unleashed the actual monster and it wants you dead.

Aliens Are Bastards: Its implied to be an extraterrestrial creature similar to Specimen 10, and it wants you dead.
Bedsheet Ghost: Their most prominent feature — at first. Each time you chop it down with the axe, the sheet will become more bloody and torn as it reveals the monster underneath.
Blood from the Mouth: The protagonist will vomit occasionally whilst in the toxic rooms. You lose a considerable amount of health in the process, which is compounded by the health you're already losing.
Body Horror: As to be expected from something that gets struck repeatedly by an axe. As it gets more bloody, an eye can be seen in its chest area. When it starts attacking, it makes the player character vomit blood. It's possible to see strange fetus-like parasites inside the blood puddles, which has disturbing implications.
But Thou Must!: There's just no getting around him when he's in front of a door, unless he's to spawn in a room with two unlocked doors. And in HD Renovation, he'll teleport to block the nearest door, meaning you can no longer even do that and are forced to use the axe on him.
Chest Burster: An eye is visible in his chest when you're one hit away from the chase starting.
Deadly Gas: His dimension is poisonous, and it slowly saps away your health.
Didn't Need Those Anyway!: The parasite dumps the kid once he's taken enough punishment.
Evil Makeover: When the parasite comes loose and the HP drain is in effect, the walls and ceiling will become dirty and corroded.
Expy: A different flavor of Specimen 10, being initially harmless things that harbor a much more harmful parasite.
Face Full of Alien Wing-Wong: Implied. Some blood puddles the player character vomits up have what can only be described as some kind of embryo-parasite thing inside.
Fluffy the Terrible: A name like "Spooper" given to what looks like a kid in a costume doesn't really strike fear, does it? Well, keep hitting it with your axe and you'll see what happens...
Freeze-Frame Bonus: While running from the parasite form, you'll sometimes see the bloodied form of the kid right in front of you before it vanishes.
Have a Nice Death: A dark static screen with flashing text which reads:
"Beyond that door is another world. A world made of dreams... A world where all your fantasies have come true. A world full of everyone's sick fantasies. A world lusting to include you."
Interface Screw: The player's screen will be obscured with disgusting-looking distortions whenever the player character vomits.
Leitmotif: "SPOOPER AMB", an ambient theme that eventually implements noises that sound like breathing, along with drums.
Mechanically Unusual Fighter: It doesn't hurt you directly in any way, only draining your health once the parasitic creature comes loose. Even when you do see it coming for you, it won't deal direct damage.
Not-So-Harmless Villain: Spooper does nothing but block your way, but after a few whacks...
Poisonous Person: While stopping during any chase would be a bad idea, this guy doesn't even need contact to inflict damage.
Post-Climax Confrontation: The very last Specimen in the entire game to oppose you after you initiated the Escape Sequence in Spooky's Dollhouse, standing just outside the Escape Tram. However, he will go down in one hit and not pursue you afterwards.
Unexplained Recovery: Despite getting hit repeatedly with an axe and presumably getting a Torso with a View when his parasite comes out, Spooper will be good as new when you next see him.

Unknown Specimen 4 (Tirsiak)

https://static.tvtropes.org/pmwiki/pub/images/tirsiak_3.png

"Such strange prey you are."

A floating wolf/deer girl. She flies after you while animal shadows impede your progress.

Affectionate Nickname: She is referred to as "Tiri" in error messages.
Ambiguous Situation: The forest theme and antlers, along with asking the player to stop running, all seem to indicate there's a connection between her and Specimen 8, but this is never elaborated upon.
Animal Motifs: Despite the antlers, she's associated with wolves.
Boss Banter: She repeatedly tells the player to give up as she continues to chase them.
Cute Monster Girl: Akuma Kira stated they got tired of making scary monsters, so they created a being that is cute instead. Don't take her lightly because of this, though.
Eaten Alive: If she depletes your health, she'll teleport you to a snowy field. Cue the wolves.
- You get to see the aftermath. It's... not pretty.
Foil: She's a polar opposite to Specimen 8, a creature that seems to be some kind of forest deity themed around a prey animal with a dark color pallete and a faded, old-timey chase theme. Tirsiak, by contrast, is a predator with much lighter colors, looks vastly more humanoid and has a clearer theme.
Interface Screw: When she's chasing you, she makes blue fog appear to obstruct your view slightly (a blue starry screen overlay instead, in the HD Renovation version).
Killer Rabbit: Although she is considerably less scary-looking than the other specimens, she can and will kill you if you are not careful. Her death screen is pretty brutal, to boot.
Leitmotif: "Fur Oshus", a menacing theme that incorporates tribal drums.
Living Shadow: Various animal shadows (often of prey animals) block your path. You have to cut them apart with your axe in order to proceed.
Little Bit Beastly: She has wolf ears and a tail.
Non-Standard Character Design: She looks more Animesque than the rest of the cast members. Akuma Kira said they got tired of drawing "scary" creatures and wanted a change of pace.

Unknown Specimen 5 (Lisa)

https://static.tvtropes.org/pmwiki/pub/images/lisa_1.png

The ghost woman from P.T. Like Specimen 6, she can attack you pretty much instantly if you aren't looking at her; unlike 6, looking at her doesn't stop her, only slows her down. And that's not all...

Adaptational Dye-Job: Her hair is longer and smoother-looking here than it is in P.T.
Body Horror: Her death screen, featuring a centipede crawling out of her left eye socket and all sorts of either grime or insects or both flowing from her mouth. It also appears as though her neck was stitched onto her torso.
Boss Banter: She is unique in that she doesn't speak directly, but instead announces her presence through ominous and taunting notes posted on a faded Specimen 1, before finally deciding to chase the player.
"You think you're clever, don't you?"
"I've been watching you for a while now."
"Why even bother filling your lungs?"
"Your blood smells so thick. I can hear the vessels oozing."
"Do you feel safe?"
"Reading these won't help you. Only death can help you."
Demonic Head Shake: A very noticeable case of this, tying her back to her "Silent Hill" origins.
Eldritch Location: She turns a handful of rooms into a loop, with the exit of the room at the "end" leading to the "beginning" room. At this point, the player has to go backwards to the "beginning" room and open the entrance door, which will bring them to the room immediately after the "loop".
Guest Fighter: From P.T., although naturally her appearance and demeanor were changed significantly, possibly to avoid copyright infringement.
Have a Nice Death: A disturbing close-up of her face with bugs crawling around it, text written over it, with rapid flashing lights:
"You cannot dream without darkness. You cannot wake without pain. Tear off your foolish disguise."
Hell Is That Noise: Her Leitmotif is chock full of it. From the atmospheric build up, to the constant moaning, and the choking noise when she starts chasing you in person.
Leitmotif: "LISA AMB2", which is seemingly Lisa herself moaning in pain.
Lightning Bruiser: She can cause high damage, and do so near instantly by teleporting to you if you aren't looking at her. If you are looking at her, she can still outpace your normal walk. Her damage was later significantly nerfed in the HD version.

Characters / Spooky's Jump Scare Mansion

Main Characters

Voiced by: Akuma Kira

Specimens

Voiced by: Jessie N.

Voiced by: Vernon Shaw (original), Chris Serani (HD Renovation)

Specimen 9 (Boss Mode)

Note writers and other characters

Karamari Hospital Monsters

Spooky's Dollhouse Monsters

Unknown Specimens (Endless Mode)

Alternative Title(s): Spookys House Of Jump Scares

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Characters / Spooky's Jump Scare Mansion

Edit Locked

Main Characters

Voiced by: Akuma Kira

Specimens

Voiced by: Jessie N.

Voiced by: Vernon Shaw (original), Chris Serani (HD Renovation)

Specimen 9 (Boss Mode)

Note writers and other characters

Karamari Hospital Monsters

Spooky's Dollhouse Monsters

Unknown Specimens (Endless Mode)

Alternative Title(s): Spookys House Of Jump Scares

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