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Amanda and Josh BensonThe protagonists of "Welcome to Dead House" and the very first protagonists of the series. Amanda and her younger brother Josh move to the town of Dark Falls after their father inherits a house from a dead uncle. While Josh is adamant about refusing to go along with the plans to move, Amanda tries to keep an open mind about the situation, until she learns her new home has a terrible secret.
- Annoying Younger Sibling: Josh, but only slightly.
- Badass Normal: Josh, at one point, attempts to bash Mr. Dawes' head in when he realizes that he's not alive.
- Early Installment Weirdness: It's hard to imagine that Amanda and Josh are protagonists in a Goosebumps book due to the fact that neither of them have any of the Flanderization traits prominent in the other protagonists, especially those with younger siblings. Amanda isn't a Straw Loser who is The Unfavorite to her Annoying Younger Sibling, nor is Josh a raging Spoiled Brat doted on by their parents. This makes more sense when considering that they were the very first protagonists and actually set the mold for the characters to come.
- Foolish Sibling, Responsible Sibling: Josh is the foolish to Amanda's responsible. Josh is more self-absorbed and less willing to go along with their family's move, while Amanda, who has her own reservations about moving, recognizes that arguing about it is just going to cause tension.
- Kid Hero: It falls upon both Benson siblings to rescue their parents after they are taken captive by the Dark Falls residents, and in doing so, they end up killing most of the townspeople... except Mr. Dawes.
- Only Sane Man: Amanda. Even though she admits she sometimes lets her imagination get the best of her, she proves to be the more levelheaded member of her family due to how she manages to not succumb to the stress brought on by moving to a new house, while her brother refuses to cooperate and her parents start getting on each other's nerves.
- Psychic Dreams for Everyone: Her first night in Dark Falls, Amanda has a nightmare about her family as living skeletons devouring human bones. Which is almost exactly what would've happened to the Bensons if the people of Dark Falls had succeeded in draining their blood.
- Spoiled Brat: Josh. Amanda and their parents acknowledge that he's slightly spoiled, but unlike the other spoiled siblings seen in the later books, Mr. and Mrs. Benson do little to encourage it.
- Straw Loser: Averted. Neither Benson sibling come close to the levels of Straw Loser some of the other protagonists share. Amanda mentions that she can be kind of klutzy when it comes to playing softball, but it's not something Played for Laughs or Played for Drama.
Billy DeepThe protagonist of "Deep Trouble." Billy is a budding undersea explorer on vacation with his uncle, Dr. Deep, and his sister, Sheena. On the trip, he encounters a mermaid who he saves from kidnappers, and later goes on to have many more undersea adventures.
- Adorkable: His constant optimism and awkward attempts at befriending the mermaid definitely fall under this.
- Asian and Nerdy: According to the Horrorland spinoffs, he's asian american.
- Badass Adorable: Well, "Badass" would be a stretch, but he can still be pretty brave when push comes to shove.
- The Atoner: He spends the second half of "Deep Trouble" trying to make up for getting the Mermaid captured.
- Badass Family: He, his sister, and uncle deal with sea based threats on a regular basis.
- Break the Cutie: Doesn't last long, though.
- Character Development: He's introduced as an arrogant, hot-headed glory hound, but by the end of the book, he's a much more selfless individual, willing to risk his life to save his new friend.
- Cheerful Child: Oh,yes. This is what sets him apart from his predecessors.
- Crouching Moron, Hidden Badass: By "Creep from the Deep", he's definitely earned this title.
- Cloud Cuckoo Lander: In the book's first few paragraphs, he criticizes Sheena for not opening her mind to concepts like the Easter Bunny and Santa Claus.
- Friend to All Living Things: He makes fast friends with the mermaid, and claims that when he's a famous undersea explorer, he's going to give the creatures he encounters pet names. H also shows remorse about feeding a school of guppies to Dr. D's pet eel.
- Fearless Fool: Not entirely fearless, but when his uncle warns him about sharks in the reef, he replies, "Sharks! Wow!" Later on, he rushes headfirst into a gang of thugs trying to kidnap the mermaid.
- Hot-Blooded: See above.
- Nice Job Breaking It, Hero: Thanks to him: the benevolent Mermaid was captured.
- Straw Loser: Averted. Billy avoids most of the characteristics that the other protagonists have.
Carly-Beth CaldwellThe main character of The Haunted Mask, a tormented and meek young woman who acquires a cursed Halloween mask which attempts to take over and turn her into a destructive monster.
- Butt Monkey: She grows out of it.
- The Bus Came Back: She's the only protagonist confirmed to appear in the upcoming movie. Unfortunately, it's as the mask's host.
- Evil Feels Good: After putting on the mask and preparing for sweet revenge.
- Only Sane Girl: In the Horrorland series, she soon becomes the most levelheaded member of the group.
- Shrinking Violet: She was a very timid girl easily frightened by just about everything and lacking the resolve to stand up for herself against her tormentors. After her first encounter with the Haunted Mask, she grew out of this trope and became much more willing to assert herself against the likes of Steve and Chuck.
- Threshold Guardian: In Scream Of The Haunted Mask, she hides the mask in her basement to keep it from menacing anyone else.
- Took a Level in Badass: Grows much more brave and tough from the Halloween she spent with the mask.
Evan, Andy, and TriggerThe main characters of Monster Blood.
- Berserk Button: Andy hates to be called by her real name, Andrea.
- Cassandra Truth: When Evan tells Andy that no one believed his Monster Blood stories, her response is along the lines of "no shit, Sherlock".
- Straw Loser: Evan is one of, if not the, biggest one in the whole series. He can not catch a break.
- Monster Blood II ends with Evan now permanently taking care of Cuddles even though he hates him (with the implication that Cuddles ate more Monster Blood), III ends with Evan shrunken down to a few inches, and IV ends with him facing a horde of angry Conan clones.
- Too Dumb to Live: Evan frequently tries to use Monster Blood to avenge himself on his tormentors, such as Conan, Kermit, and one of his teachers, even though he has firsthand knowledge that these attempts will not work and he just makes things worse for himself.
Greg BanksThe main protagonist of Say Cheese and Die! and its sequel. Greg has the unfortunate luck of finding a camera that causes bad things to happen whenever it takes a picture of someone, such as two of his friends being injured, his father almost dying in a car accident, and one friend disappearing completely.
- Body Horror: Besides the camera making him obese, it also causes him to develop a horrible skin rash that makes him look like a lizard.
- Butt Monkey: More so in Say Cheese And Die - Again! due to Mr. Saur's treatment of him and what the camera does to him.
- Cassandra Truth: His friends don't think there's anything evil about the camera despite mounting evidence that it is taking pictures of things that haven't happened yet. Greg only keeps using it in the first book because they keep pressuring him to do it. In the second book, his report on what happened with the camera is given an "F" and because that jeopardizes Greg's plans for the summer, he thought finding the camera was the only way to have his grade fixed.
- Only Sane Man: Greg is considered the sensible one in his group of friends, and he doesn't like it because they tease him for it.
- Revenge Before Reason: He becomes insistent on snapping a picture of Mr. Saur to get back at him for his bad grade and for the way he's treated him. And then the book ends with Mr. Saur taking a picture of the whole class, but it's left ambiguous as to what happened.
- Throw the Dog a Bone: The ending of the TV adaption of Say Cheese And Die - Again! has Mr. Saur lose all his hair after his picture is taken, which can be considered Laser-Guided Karma for his treatment of Greg.
- Took a Level in Dumbass: By Say Cheese And Die - Again! Greg has become much less sensible. He made the mistake of writing an essay about what happened with the evil camera, and when he got a bad grade for it, decided the only course of action was to find the camera again as proof.
- Weight Woe: In Say Cheese and Die - Again! the camera causes Greg to rapidly gain weight. At first, he's mercilessly teased by the other kids for being fat, but when he shows up for school the next day twice as big as before, his classmates no longer think it's funny and feel bad for him. Mr. Saur, on the other hand, does nothing but mock him.
- What Happened to the Mouse?: He doesn't return for Say Cheese and Die Screaming! Mostly because the evil camera somehow ended up in the possession of another family before it ends up with Julie. But we're never told what happened to Greg or how the camera wound up with someone else. The implications behind this are not helped by the Ambiguous Ending to Say Cheese And Die - Again!
Harry and Alex AltmanThe main characters of Ghost Camp, Harry and Alex are brothers who're spending the summer at Camp Spirit Moon. As the only non-veteran campers, they find themselves the targets of some... odd pranks by the other kids. For a series that really likes focuses on Sibling Rivalry, the two of them strangely get along quite well.
- Annoying Younger Sibling: Averted with Alex.
- Compelling Voice: Alex has an amazing singing voice for someone so young, and everyone knows it. So, at the end, when Alex's singing is suddenly off-key, Harry realizes it's because Alex is being possessed by Elvis.
- Demonic Possession: Alex ends up getting possessed by Elvis. When Harry realizes this, Elvis begs him not to tell anyone, and the book ends without revealing if Elvis ever left Alex.
- Designated Victim: They're the butt of some disturbing pranks because they're the new kids. And also because they're the only kids who are alive.
- Does This Remind You of Anything?: Lucy revealing to Harry the truth about the camp and begging Harry to let her use his body is disturbing similar to a discussion one would have about engaging in sex, to the point that when Lucy tries to possess Harry without his permission it comes across as a metaphor for sexual assault.
- The Eeyore: Alex can be moody.
- Foolish Sibling, Responsible Sibling: Subverted, in that said roles aren't really needed for the two. While Harry sometimes takes the lead because he's older, he doesn't have to reign in Alex because Alex doesn't act like an annoying pest.
- Mind Rape: Lucy tries this on Harry, Elvis ends up succeeding on Alex.
- Only Sane Man: Harry and Alex both end up being this throughout the majority of Ghost Camp because of how the other campers treat them.
- Puppy Love: Subverted. Harry appears to be heading this way with Lucy, and then she tries to take over his body.
- Sibling Rivalry: Averted. They get along well, which might be because Harry's only a year older than Alex.
Lizzy and Luke MorrisThe main characters of One Day In Horrorland
- Cassandra Truth: Most of the Very Special Guests are not entirely trustworthy of the Morris siblings because they think they might be spies for the Horrors. It turns out however that of course Lizzy and Luke are the trustworthy ones. The twins Jillian and Jackson were unwittingly acting as The Mole for the Menace and attempted to make the Morrises as The Scapegoat. Lizzie realizes they've been trying to fool everyone when she catches Jillian lying.
- Foolish Sibling, Responsible Sibling: Luke's the foolish one, Lizzy's the responsible one.
- The Leaders: Of the Very Special Guests in the last two books in the Horrorland series, due to their prior knowledge of the theme park.
- Older and Wiser: Although they're only a year older in the HorrorLand series, they return to Horrorland to help out the rest of the kids escape.
- Too Dumb to Live: Luke has shades of this in Return to Horrorland since he seems too eager to try out the rides at Horrorland despite the fact that he knows they are potentially lethal and that the Horrors tried to kill him and his family the last time they were there.
Villains and Monsters
Andrew Craw/The Headless Ghost
- And I Must Scream: Being made to wander his childhood home for years while unable to see, smell, hear or taste anything must've absolutely sucked.
- Asshole Victim: In his backstory, he abused animals and played tricks on his servants until karma caught up to him in the form of the sea captain's ghost pulling off his head and hiding it.
- Than again, this was ''far'' more than he deserved.
- Death Equals Redemption: As his appearance in the end would suggest, it seems this horrifying fate made him into a much kinder person.
- Go Out with a Smile: After the kids find his head, he peacefully thanks them before fading into the afterlife.
- Small Role, Big Impact: He only makes a true appearance at the very end of the book, but it really says enough about his character.
- Ungrateful Bastard: He is one nasty kid in the TV episode, even after the protagonists find his head for him. The book is better about this.
The BeastsA race of ferocious bear/possum hybrids who play a bizarre game with their victims to choose who gets eaten.
- Absurdly High-Stakes Game: As Ginger says, they play for keeps.
- Badass: You'd pretty much have to be to play a game like this for a living.
- Always Chaotic Evil: Downplayed, since unlike the Horrors, they actually have some sense of honor.
- Bears Are Bad News: Ginger views "the Teddy Bear's picnic" in a whole new light after this adventure.
- Blue and Orange Morality: Everything they do is determined by the rules of their strange game, which certainly doesn't help our confused protagonists.
- Calvin Ball: They don't make up the rules per say, they just hardly define them.
- Cannibal Tribe: We can assume that based on the rules of the game, they eat each other when there are no humans available.
- Child Eater: Losers of the game get eaten, and they will not make exceptions for children. One shouldn't think too much of who else stumbled upon this game...
- Cloud Cuckooland: The neck of the woods they live in is full of oddly-colored plants and Mix-and-Match Critters. It may even be an Eldritch Location, based on Fleg's comment about a path that "leads back to your world".
- Even Evil Has Loved Ones: It's never explicit, but they do seem to care for each other, since Spork is shown keeping watch over an infant beast in the middle of the dangerous game.
- Even Evil Has Standards: The Beasts strictly follow the code of the game, and thus will give their victims another chance should the rules condone it.
- Eye Scream: Gleeb's right eye is missing, leaving an empty socket, which he has a habit of picking at several times through the story. Ginger remarks it's probably from an earlier fight, and that she'd hate to see the loser.
- Genius Bruiser: They're huge, tough monsters that also happen to be skilled with building booby traps and handling wild animals.
- Mix-and-Match Critters: Giant blue bears with tails like badgers, and builds like gorillas.
- Proud Warrior Race: That play tag?
- Punch Clock Villain: The beasts don't play this game out of malice, but because it's ingrained in their culture. Spork even admits it gets boring at times, which gives Ginger a chance to tag him.
- Worthy Opponent: Brutal as they are, they'll still treat you with respect if you prove to be the better player. Good luck with that,though. Ginger's victory came with sheer luck.
Body SqueezersAlien invaders who can take over human beings by hugging and then crawling into their bodies. They're the villain of the two-part Invasion of the Body Squeezers books, and also feature in a sequel published under the GYG banner. They come in two varieties, green and blue.
- Kill It with Water: Jack thinks this is their weakness when two of his possessed friends refused to go in a pool. Unfortunately, when Jack attacks them with water, it turns out they aren't bothered by water at all. At the time, they just didn't feel like swimming.
- Load-Bearing Boss: Defeating their leader kills the green Body Squeezers.
- My Brain Is Big: Their leader is a giant brain.
- Verbal Tic: The humans they control speak with a *tt* at regular intervals.
Chop SueyFrom the short story What's Cooking? She was a cafeteria worker whose disgusting dishes caused a revolt from the students she served them to, and was fired after she attacked some kids with a meat cleaver. If her name's said three times while standing on your tip toes, it summons her back as a vengeful ghost.
- Ax-Crazy: Or rather, Cleaver Crazy.
- Berserk Button: Calling her "Chop Suey" or not eating her food.
- Companion Cube: Her beloved cleaver. It's rumored she died after accidentally falling onto it.
- Embarrassing Nickname: She got her nickname because her "Chinese Surprise" was consider the worst.
- Fat Bastard: She's considered a very large woman.
- I'm a Humanitarian: After becoming a ghost, she hunts after those who summon her and/or don't eat her cooking with plans to chop them up and make lunch out of them. Although this is a subversion in the sense that it's never mentioned if she actually eats anyone, just that she's going to make lunch meat out of them.
- Lethal Chef: As mentioned, her culinary talents leave much to be desired. The whole reason she got her nickname was because of how badly kids reacted to her "Chinese Surprise" lunch.
- Punny Name: Sue Chopman's her actual name. When she's brought back, she calls herself "Aunt Sue."
- Say My Name: Saying it three times summons her. And saying "Suey Chop" three times sends her away.
- Stout Strength: Judging by her hefty size and how easily she's able to chop things up with her cleaver.
Conan BarberThe resident bully and secondary antagonist for most of the Monster Blood series.
- The Bully: He loves tormenting Evan and getting him in trouble with their teacher.
- Big Man on Campus: Evan remarks that he looks 32, even though he's only 12.
- Dirty Coward: He's not so tough and badass when it comes to heights and giant hamsters.
- Hidden Depths: Word Of God says that he sleeps with a teddy bear named Fluffster and gets a bedtime story every night.
- In-Series Nickname: "Conan the Barbarian", unsurprisingly.
- Jerk Jock: He actually slam dunks Evan through a basketball hoop in one part of Monster Blood II.
- Ungrateful Bastard: Even after Evan saves him from getting eaten by Cuddles, he still bullies him at every opportunity.
- Why Did It Have to Be Snakes?: He's afraid of heights.
- Wouldn't Hit a Girl: Since he doesn't hit girls, he sticks Andy on a high tree branch instead after he beats up Evan.
Count NightwingThe great grandfather of the Martinez family, Nightwing is a powerful vampire lord who derives his abilities from a mysterious substance called "Vampire Breath." Eventually, his grandson accidentally wakes him up from his centuries long slumber. Nightwing only wants to return to his own time, but is willing to involve children in his plans. Recently, he's been confirmed to appear in the 2015 movie.
- Ungrateful Bastard: When Freddie and Cara help him return to his time period, he repays them by refusing to help them get home and promising to turn them into vampires as soon as he finds his fangs.
- Weaksauce Weakness: He can't feed without his fangs, and he needs Vampire Breath to remind him where he left them.
The CreepsAn unpleasant group of lizard-creatures masquerading as human school bullies.
- Aerith and Bob: Their names: Jared, Brenda, David...Wart?
- Aliens Are Bastards: We don't know just what they are, but they fit every other criteria.
- And Then John Was a Zombie:The entire student body by the end of the book, including Ricky.
- Assimilation Plot: Creeps are created when special "identity seeds" are consumed by humans. The main four plan to disperse these seeds among the student body.
- The Bad Guy Wins:A rare example that benefits the protagonist.
- Blue and Orange Morality: Like most creatures in the series, the Creeps have very twisted and strange customs.
- Child Soldiers: The main four, though it's unclear how old they are.
- Evil Phone: How they contact Ricky.
- Kids Are Cruel: Their human guises. Rather unsurprising.
- The Lad-ette: Brenda, the only female, is no less ferocious than her comrades.
- Lizard Folk: Huge, purple lizard/raptor kids. The cover makes them look oddly adorable.
- Pet the Dog: Their loyalty toward Ricky, their supposed leader, seems surprisingly genuine. At the very end, they give him the extra push to take revenge on the cruel student body as he's being mocked.
- Smurfette Principle: Brenda's the only female member of the initial group of Creeps.
The Cuckoo Clock Of DoomThe titular machine from the book of the same name. It entersthe unhappy Webster home and changes things forever.
- Ambiguously Evil: It's never clear how sentient the clock is, but it does seem to single out Michael as it's subject.
- Artifact of Doom: For anyone foolish enough to fiddle with it, anyway.
- Butterfly of Doom: Knocking off one of the years on it's calendar is enough to wipe out anyone born at the time.
- Feathered Fiend: The cuckoo bird, shown prominently on the cover. Turning it's head back triggers the clock's powers.
- Mental Time Travel: Happens to anyone that twists the bird's head.
Cuddles the HamsterMr. Murphy's pet hamster, who grows to enormous size and goes on a destructive rampage after eating Monster Blood.
- Attack of the 50-Foot Whatever: The climax of the book.
- Child Eater: It's implied that he was going to eat Conan before Evan stepped in.
- Fat Bastard: According to Evan - and that's before he grows to the size of a gorilla.
- Rodents of Unusual Size: After he eats Monster Blood.
- What Happened To The Hamster?: He supposedly eats more Monster Blood at the end of the second book, but although he's mentioned in subsequent books, we never find out what happened to him or if he became a giant again.
Dark Falls ResidentsThe undead inhabitants of a remote town who lure new residents there to eat them.
- Affably Evil: You wouldn't be able to tell their true nature until it's too late.
- Anti-Villain: They feast on living beings to sustain their town's existence.
- Almighty Janitor: Compton Dawes, Dark Falls' mild mannered real estate agent, is not only a bloodsucking mutant, but he's also the most responsible for keeping the town alive.
- Creepy Child: Karen and the rest of the Dark Falls children. They especially like to hide in Amanda and Josh' rooms while they sleep and fool around with their belongings. When they're not doing that, they like to randomly manifest in front of Amanda while she's alone and make her believe she's going crazy when they disappear. Josh mentions that there were a couple of boys in his room who were "mean" but Josh refuses to go into detail over what they did to him.
- A Fate Worse Than Death: Little Karen Somerset (and presumably other residents) thinks this way of her undead existence.
- A Fête Worse Than Death: Their "welcoming ceremony" at the town Podium. This of course leads to A Fate Worse Than Death.
- Haunted House: Inverted. They inhabit every other home except the titular "dead house" where the living family stays.
- Karma Houdini: Compton Dawes survives the destruction of the other townspeople, and goes on to feed on more families.
- Our Vampires Are Different: They drink blood and are destroyed by sunlight like vampires, but bare more of a resemblance to ghosts or zombies.
- Starter Villain: The entire Goosebumps franchise began with these guys.
- Town with a Dark Secret: Dark Falls. With a name like that, it's no surprise.
- The Virus: In their town, they'll welcome you as one of them-literally.
- Used to Be a Sweet Kid: Most of the children, probably.
Della RaverOnce a normal young girl staying at "Camp Cold Lake", Della grew tired of the constant safety rules and became homesick. She attempted to swim across the lake to leave camp, but she drowned. Now her lonely spirit roams the camp, desperate for a buddy to take her to the afterlife. She actually tried to leave by going through the woods, but was bitten by a rattlesnake. She made Sarah Maas think she drowned as part of a ploy to lure her into the woods and kill her there.
- Anti-Villain: A little girl who is willing to do anything to make a friend, even murder.
- And I Must Scream: Her ghost spent years wandering the camp, unable to leave the mortal plane.
- Ax-Crazy: Veers more and more into this after Sarah rejects her, even trying at one point to run her down with a motorboat.
- Broken Bird: Being trapped for years in a place you hate and getting rejected by those you want as friends will really do that.
- Cute Ghost Girl: When she's not trying to stalk and kill you, she's actually rather friendly, giving Sarah a coat when she was cold.
- Despair Event Horizon: After Sarah makes her refusal clear, Della wails in misery and sinks into the ground.
- Manipulative Bitch: Pulls off a vicious gambit where she makes Sarah terrified of the water by pretending to have drowned, so that she can find her when she least suspects it.
- I Just Want to Have Friends: More specifically, she wants a "buddy" to join her in the afterlife.
- Tragic Villain: Unlike many other antagonists, Della clearly resents being a monster and will do anything to escape it.
- Woobie, Destroyer of Worlds: Arguably the most clear cut example in the entire franchise.
- Yandere: Brushing off her affections is a very bad idea.
Dr. BrewerA botanist/father who spent hours in his basement trying to create new forms of plant life. These experiments caused him some...unsettling changes.
- The Atoner: By the end of the book, he gives up his horrible experiments and tries hard to make up to his family. Or so it seems.
- Body Horror: His mutation into a plant creature. And lets not even talk about the the things he grows in the basement...
- Creepy Basement: His lab. The book is called "Stay Out Of the Basement" for a reason.
- Cloning Blues: His clone held him hostage in a basement for weeks and tried to take over his life.
- Dude, Where's My Respect?: To his boss for firing him.
- Even Evil Has Loved Ones: He loves his kids, Margaret and Casey, hence why he created his clones to be with them.
- Family-Unfriendly Death: Disposes of his clone by chopping him in half. Even worse, he did it in full view of his children.
- Four Eyes, Zero Soul: Subverted. He's not really evil, just stubborn and willing to ignore certain morals.
- From Nobody to Nightmare: Played with. He doesn't become a super-villain like most instances of this trope, but his reckless experiments turn him from a simple botanist to a Mad Scientist who endangers everyone around him.
- Genetic Memory: His clone went rogue because of this-since he was a near perfect copy of the original, he had all of that man's memories.
- Humanity Ensues: What made him think turning plants into humans was a good idea?
- Kill and Replace: His clone was presumably planning this, both for him and the rest of his family.
- LEGO Genetics: Apparently,combining plant and human DNA only took him a few weeks.
- Mad Scientist: His freakish experiments with plant matter are what causes the book's conflict.
- Planimal: His entire time in the basement was spent creating these. Unlike most examples, these aren't cute or friendly in the slightest.
- Nice Hat: An LA Dodgers cap, which covers the leaves on his scalp.
- Plant Person: He spent hours in his basement trying to create these. Unfortunately for his family, he succeeded.
- The Workaholic: Spends hours in his basement trying to perfect his experiments and ends up sorely regretting it.
Emory BanyonAn award winning horror director and self-proclaimed King of Horror. While Emory is by no means murderous or evil, he's a self centered egotist and a terrible father, to the point that he is frequently trying to terrorize his son Jake into admitting he's scary. Emory is one of the realest villains in the entire franchise, due to the fact that, while there's nothing supernatural about him, he still antagonizes his son.
- Abusive Parents: One of the worst. Though amazingly, Jake gets revenge twice over.
- Broken Ace: Thanks to the pranks Jake pulls on him.
- It's All About Me: Emory has a massive ego he's constantly feeding by scaring people and getting them to admit he's scared them. He keeps going after Jake because Jake refuses to give him the satisfaction.
- Parental Neglect: He'd rather think of Jake as a buddy then as a son, which seems to be his attempt to justify the torment he puts Jake through.
- Parents as People: He does care about Jake, but he's still a pretty horrible father.
- Smug Snake: He loves patronizing his son by giving him false reassurance that it's okay to admit he's scared.
Granny DeaverFrom the Triple Header short story Ghost Granny. Granny Deaver is a nasty old woman who sponged off a family she wasn't actually related to for three years. When she died, everyone had a hard time concealing their relief that she was gone. That relief was short lived when she returned as an evil spirit, intending to haunt her so-called family.
- Evil Old Folks: And she only became worse when she became a ghost.
- Jabba Table Manners: She eats like a pig even as she complains about how bad the food is. Kelly and her brother once found Granny Deaver's teeth in the milk carton after she was done drinking it, and this grossed them out so much they stopped eating cereal completely.
- The Millstone: To Kelly and her family, in life and especially in death. She makes their lives miserable by being rude, loud, and unpleasant, and they just can't get rid of her. Upon her return as a ghost, she ruins Kelly's birthday and scares away her friends, and spends the nights howling and wailing. It reached a point where a neighbor finally called the police thinking Kelly's family had a dog, but she scared them away.
- No Sense of Personal Space: She's always pinching Kelly and her brother when she's not barging into their rooms and leaving her stuff in their closets.
- Screw Politeness Im A Senior: She's domineering and has no sense of consideration or self-awareness towards how she behaves around others.
- Sickly Green Glow: As a ghost.
- Superpowered Evil Side: She becomes animalistic when she gets truly angry, growing claws and fangs. It's all for show. She can't actually hurt anyone and when Kelly realizes this, her mocking of Granny Deaver is enough to make her self destruct.
- The Thing That Would Not Leave: Kelly's parents let her stay with them because she has nowhere else to go, and they feel sorry for her. This only gets worse when she becomes a ghost.
- Took a Level in Jerkass: Before she died, she was just rude. As a ghost, she terrorizes the family and anyone who enters the house. She claims that dying has brought her "evil side" out.
- Ungrateful Bastard: She complains about everything, alive or dead. She'll call the food Kelly's parents have made garbage but she'll eat it all and then steal from their plates.
The Greyworld ChildrenA terrifying clan of mutant children that reside in "Greyworld", a dimension rendered permanently gray. They roam the lonely streets, searching for unlucky visitors to convert to their clan. What's worse, they all used to be normal kids.
- And I Must Scream: Driven insane by years trapped in the Black and White world.
- Assimilation Plot: They desire nothing more but to rid anything-and anyone they see of color, turning them over to "the gray."
- Creepy Child: Holy shit. The "Oil spewing" ceremony speaks for itself.
- Cult: One composed of insane children. There's a reason this entry is considered one of the darkest in the series.
- Knight of Cerebus: Not only are they not hammy or campy antagonists, but the reveal of what they are turns The Haunted School into one of the darkest and tragic books in the entire franchise.
- Madness Mantra: "Turn. Turn to the Gray!"
- Tragic Monster: Every one of these mutants were once perfectly normal schoolchildren who attended Bell Valley in 1947. Than the evil photographer Mister Chameleon sent them to Greyworld and it changed them forever.
- Trapped in Another World: For so long now they've given up hope of rescue.
- Weakened by the Light: The flee at the sight of any light or color. As it turns out, this weakens the fabric of the other dimension and allows an escape.
The Haunted CarA possessed car purchased by Mitchell Moinian's father. The spirit possessing it is a young girl who died while she was taking the car for a joyride, and she now wants to kill Mitchell so she'll have someone to ride alongside her.
- Card-Carrying Villain: She frequently professes that she's evil. The shock of realizing she actually saved Mitchell from being burned alive when his house caught fire is so great it causes her spirit to be forcibly expelled from the car for good.
- Evil Twin: The ghost is Marissa's twin sister, Becka.
- Improbably Cool Car: How it first appears.
- Nice Job Fixing It, Villain: When Becka took Mitchell on what would've been his death ride, she decides to kill him near his house to adhere to his wish of taking him home. When they get there, they discover Mitchell's house is in flames, and that by kidnapping him, Becka actually saved Mitchell from burning to death.
- Redemption Equals Death: It's a rare unintentional example, but it's what prompts Mitchell to forgive her in the end.
- Undead Child: The spirit inside the car.
Haunted MaskA living halloween mask, one of several created by a scientist.
- Ascended Extra: In the book The Haunted Mask II, the Mask wasn't featured at all. In the television adaption, the Mask is added to the plot as the main villain, possessing the shopkeeper and turning Steve into his minion for the sake of getting to Carly Beth and possessing her again.
- Back from the Dead: In the television adaption of The Haunted Mask II.
- Clingy Costume: If the mask is put on three times, it becomes permanently bonded to the wearer's face after the third time. The only thing that will get it off after that is a symbol of love, but even that's no guarantee it'll come off for good if it's worn again.
- Creepy Child: Its hosts are always children, and it seems to possess a rather immature mentality. The version in The Movie will be portrayed by an up and coming child actress.
- Demonic Possession: Happens gradually to its unlucky host.
- Evil Cannot Comprehend Good: The only way to remove it is with a "symbol of love."
- Evil Is Petty: Aside from gaining a proper host, it's only other goal seems to be terrifying others for respect.
- Freudian Excuse: It was kept in a basement for years by its creator as a failed experiment, which probably led to it developing evil tendencies.
- Grand Theft Me: It does this slowly to Carly-Beth, and surprisingly quickly to the Shopkeeper. Judging by Carly's appearance in the movie, it seems it succeeded.
- I Just Want to Be Loved: Constantly looking for a host that will accept it.
- Evil Is Hammy: Has plenty of moments of this in the second half of the episode The Haunted Mask II.
- Latex Perfection: It's actually synthetic flesh.
- Tortured Monster: It's mainly motivated by anger and self-loathing from being "unloved."
- Worthy Opponent: As of "Scream of the Haunted Mask", it seems to regard Carly-Beth as its favorite host.
Karl KnaveThe sinister mayor of Karlsville from the three-part "Chillogy" episode.
- Canon Foreigner: His story is completely exclusive to the TV series.
- Corrupt Politician: Subverted. He's officially the "mayor" of Karlsville and extremely evil, but he never actually does any politicking.
- Expy: Of The Joker. Monstrous, malicious prankster in a bad purple suit who kills people by playing lethal games with them to amuse himself.
- For the Evulz: When Todd asks Karl why he's trying to turn him into a lifeless doll, Karl says that he just needed a hobby.
- I'm a Humanitarian: He orders the townspeople to cook Jessica for him after he turns her into a pig girl.
- Karma Houdini: He escapes the destruction of Karlsville unharmed and can't believe his luck.
- Laughably Evil: His idea of fun is to torment and kill kids with deadly pranks.
- Loves the Sound of Screaming: As Todd screams for help, he tells him "Scream all you want my young boy, it's music to my ears."
- Manipulative Bastard: He manipulates Jessica into pursuing her greed, then blames her for the flaw he himself set her up to pursue, and turns her into a pig.
- Reality Warper: In Karlsville his powers have almost no limits. He transforms Jessica into a pig girl, materializes minions out of thin air, and controls even the weather in the city. Fitting, since he's basically an evil Looney Tunes character.
- Would Hurt a Child: He only seems to target children, trying to kill one in every episode.
KeithAntagonist of I Live In Your Basement. A mysterious boy who lives in protagonist Marco's basement, and turns the kid's life into an insane nightmare.
- Basement-Dweller: In the sense that he's literally living in Marco's basement. His mother does as well.
- Body Horror: He's a walking mass of yellow goo that turns himself inside out frequently.
- Blob Monster: His true form.
- Creepy Child: Not even a human one.
- Even Bad Men Love Their Mamas:He mockingly scolds Marco at one point for disobeying his mother.After all,he still lives with his.
- Humanoid Abomination:For starters,that thing on the cover is what he looks like inside out.
- Non-Malicious Monster: The real Keith is just as scared of Marco as vice-versa,and tries to avoid contact with humans.
- Not-So-Harmless Villain: A boy making statements about living in someone's basement doesn't seem quite as scary at first, but Keith later demonstrates he has enough strength to back up his demands and almost kills Marco by smothering him in his blob form.
- Schrödinger's Butterfly:He's the one dreaming the events of the book.
- Walking Spoiler:He's definitely not the first example in the series,but he's certainly the most mind-boggling.
King JellyjamThe mascot of the titular camp in The Horror at Camp Jellyjam. A disgusting smelling purple Blob Monster that sweats snails, and must be constantly cleaned and bathed by his slaves.
- Blue and Orange Morality: He's literally been in a cave his whole life trying to survive,so naturally he knows nothing of human empathy and mercy.
- Berserk Button: Interfere with his constant bathing,and you're lunch.
- Child Eater: He eats campers that try to take a break from washing him, and doesn't appear to live off of anything else.
- Eldritch Abomination: According to Word Of God, he was formed when a camper left a bowl of gelatin inside a radioactive, snail-infested cave.
- Expy: Shares some similarities with Jabba the Hutt - both are hedonistic blob monsters that own slaves, have said slaves eaten if they displease them, and suffocate to death via their own means. Also, see Satanic Archetype.
- Dark Lord on Life Support: He's too massive to leave his cave, and needs to have his deadly smell constantly washed away to survive. Ironically, this continued dependence leads to his downfall.
- Freudian Excuse:He was born into his repulsive condition by careless humans,and is motivated by desperation to survive. It doesn't make him any less horrible, but it does explain why he's like that.
- Hoist by His Own Petard: He suffocates on his own stench after his child slaves stop washing him. This is likely because he spent so much time being washed, he never actually had time to adapt to the smell. In the end, his desperate attempts to sustain himself were what destroyed him.
- It's All About Me: He sees the children and counselors as nothing more than tools to keep himself alive, and has brainwashed the counselors into dedicating their lives to serving "The Master".
- Manipulative Bastard: Acting through the counselors, he plays on the children's desire for rewards and victory, which leads them into his slimy clutches.
- Mind-Control Conspiracy: Camp Jellyjam is one giant front to gain new slaves for him.
- Mistaken for Quake: His burps are powerful enough to shake the ground.
- Satanic Archetype: A giant underground monster who manipulates power-hungry, competitive people into being his toys. Sound familiar?
- Walking Spoiler: To the point where he's not even on the original cover of his book. The new cover art changes this, though.
- Weaksauce Weakness: His stench. His lungs are apparently so weak that taking it in for one moment is enough to kill him.
- You Have Failed Me: What happens to any camper that stops washing him, even for a moment.
Lord High ExecutionerA nightmare from the Middle ages, this man is a court executioner who will let nothing stand in the way of his victims...not even time and space.
- Affably Evil: He isn't above throwing money to peasants for helping him.
- An Axe to Grind: Though he doesn't carry it unless he's preparing for an execution.
- Badass Normal: Doesn't have any supernatural powers, but is vicious enough to intimidate the local wizard.
- Badass Cape: He sports a billowing black cape when first seen in the tower.
- Blood Knight: The lengths he's willing to go to carry out his job are truly frightening.
- Darker and Edgier: Look at his cover image and compare it to the rest.
- Determinator: He travelled through time itself just to capture and kill two kids.
- The Dragon: To the unseen evil king.
- Knight of Cerebus: Ruthless, competent, lacking in any humorous or campy quirks and implied to have murdered Eddie and Sue's parents.
- Red Eyes, Take Warning: On the cover, anyway.
- The Sociopath: Thinks absolutely nothing of his horrific occupation.
- Token Human: Apparently in the 2015 movie. Every other villain has supernatural powers or origins.
- Would Hurt a Child: And won't let anything stop him.
Masked MutantA comic book supervillain with the power to shapeshift, the Masked Mutant travelled to our world where he met his biggest fan...and tried to kill him.
- Actually a Doombot: The Mutant encountered by Skipper and the Galloping Gazelle is actually a henchman with similar shape-shifting abilities. He's killed by the real deal.
- Apologetic Attacker: As evil as he is, he does apologize to Skipper before attempting to kill him, as if he feels he has no choice.
- Bad Ass: The reason he targeted Skipper in the first place was because he got bored with fighting superhumans.
- Blue and Orange Morality: He knows full well he's in a comic book, and therefore doesn't believe his actions are going to have any moral impact.
- Card-Carrying Villain: A very self-aware example. He repeatedly boasts about being a supervillain.
- Cool Mask: It makes him look like a demonic [[Franchise/Batman.]]
- Dangerously Genre Savvy: He has no trouble manipulating Skipper into his clutches. Unfortunately, he isn't savvy enough to avoid the boy's winning move.
- The Dog Was the Mastermind: Hands up, who guessed Libby was the villain?
- Evil Redhead: As "Libby", his human guise.
- For the Evulz: The reason why he kills his henchman.
- Genius Bruiser: A ruthless combatant and cunning manipulator who employs some pretty complicated gadgetry.
- Hoist by His Own Petard: His shape-shifting ability ends up dooming him when Skipper tricks him into turning into a liquid, which he cannot revert back from.
- Hollywood Acid: Morphs into a large wave of this to kill Skipper. It doesn't work.
- Humanoid Abomination: We are never told exactly what he is, but he's far from human.
- Invisibility Cloak: His lair employs this to keep away enemies, as well as to lure a curious Skipper into his trap.
- Kick the Son of a Bitch: His murder of Molecule Man, who was apparently just as Ax-Crazy and cruel as his boss.
- Large Ham: In the TV episode, he absolutely devours every scene he's in.
- Manipulative Bastard: As "Libby" he tries to discourage Skipper from heading to the invisible base, while knowing full well he's going to do it anyway after reading the latest comics.
- Not-So-Harmless Villain: What we see of his comics would have you believe he's just some campy weirdo. He proves otherwise in some truly horrifying ways.
- Noodle Incident: No explanation is ever given for how he came to the real world.
- Pick on Someone Your Own Size: Toward Skipper. His insane logic is that since this kid knows everything about him while the heroes of his world are complete idiots, he'll make a perfect opponent. Surprisingly enough,he was right.
- Pop-Cultured Badass: In his "Libby" persona, he has his own collection of comics. The fact that they are ones Skipper considers lame and poorly written just sells his disguise even more.
- Punch Clock Villain: The whole point of his existence is to be the perfect villain for his target audience. Then again, he seems to really enjoy his job.
- Shapeshifting Seducer: Tries to gain Skipper's trust in the form of an attractive young girl named Libby. Thankfully, this remains strictly platonic.
- Shapeshifter Default Form: A towering figure with a purple mask and cape. However, we never see him unmasked, and it's not even clear if this is his true form.
- Tricking the Shapeshifter: How Skipper takes him down.
- The Only One Allowed to Defeat You: Kills his henchman for trying to finish off Skipper before him.
- Villain Protagonist: In-universe example. The comic books Skipper collects feature the Masked Mutant as the main focus of the stories.
- Voluntary Shape Shifting: Supposedly accomplished by "rearranging his molecules."
- Victory Is Boring: Apparently his motive for targeting Skipper. He was always one step ahead of the heroes in his world, and in his opinion, the kid was the only one who would provide a challenge.
- The Worf Effect: By way of a twelve year old.
- Walking Spoiler: He never makes a full appearance until the last four chapters, but his reveal puts the story in a much, much more disturbing context.
- Worthy Opponent: To a degree. He takes time to explain what's going on to Skipper so he won't die too confused.
Monster BloodA mass of growing goo and monster of the "Monster Blood" series.
- Attack of the 50-Foot Whatever: What results from it's consumption.
- Generic Doomsday Villain: This is to be expected, since it's a mindless lifeform, but it's creator, Sarabeth, is a more straightforward example. Other than wanting to keep Evan's aunt as a slave, she has no personality or motivation whatsoever, and is simply in the story to provide an explanation for the ever growing slime.
- Sealed Evil in a Can: And some sap always winds up opening it...
- Series Mascot: It forms the title of the series.
Mr. MortmanThe librarian of Dark Falls and the main antagonist of The Girl Who Cried Monster. Although he looks like a normal, albeit slightly overweight, human, Mortman is actually a monster who eats insects, reptiles, fish... and sometimes people.
- Anti-Villain: Although he tries to kill Lucy (and probably anyone else who finds out his secret), he's still mostly a monster who wants to live his life peacefully and isn't above harming children to protect himself.
- Bald of Evil: He's described as having male-pattern baldness, and appears this way in the TV episode as well.
- Body Horror: His transformation into his monster form. For example, his eyes stick out of his head on stalks.
- Child Eater: Although he mostly eats creepy crawlies, he shows more than a little interest in eating Lucy, especially in the TV episode.
- Four Eyes, Zero Soul: Although the actual book never mentions him wearing glasses, the cover art shows him with a pair, and the TV episode followed its example.
- Horror Hunger: Eats a whole lot of really nasty things.
- I Am A Humanitarian: Although he seems to prefer eating turtles and flies, Mortman will eat a human (such as snooping kids).
- Voluntary Shapeshifting: He can turn into a monster seemingly at will.
- Weaksauce Weakness: He can be stopped in his tracks by knocking the card catalog into disarray. This appears to be a nod to the famed obsessive-compulsive behavior of vampires re: seeds.
Mr. ToggleThe main villain of Piano Lessons Can Be Murder. An inventor and robotics expert obsessed with creating beautiful music. He secretly operates a music school via posing as the janitor, to find people with beautiful hands which he then chops off for the sake of converting them into machines because he can't create hands from scratch.
- Brilliant but Lazy: He's tried creating robotic hands from scratch but he kept failing, so he decided the easier thing to do would be to kill people, steal their hands, and then install wiring inside them so they can play music. In the TV show, it seems as a child he took piano lessons but was too lazy to actually practice. His teacher mentions he was a very clever child, but also very lazy.
- Cool and Unusual Punishment: In the TV show, his former teacher is punishing him by making him practice the piano for eternity.
- The Dog Was the Mastermind: At first it seems Dr. Shreek is a madman with an unhealthy obsession regarding music and hands, but then it turns out he was a robot the whole time... and Toggle is the aforementioned madman with the unhealthy obsession.
- Evil Teacher: His "greatest creation", Dr. Shreek.
- The Man Behind the Man: He created Dr. Shreek and made him the figurehead for the music school so he could stay behind the scenes and continue killing people.
- Never Found the Body: In the book, the ghosts of his victims reclaim their hands, then carry him away to an unknown fate.
- Psychopathic Manchild: In the TV version, when the ghost woman finally confronts him over the evil he's done, Toggle begins whining like a little boy, saying "I tried my best!"
- Self-Made Orphan: Implied in the TV show, where it appears the ghost who has been following Jerry was Toggle's old music teacher and may have been his mother. She also appears to be his first victim.
- Serial Killer: Has a very big body count by the time Jerry becomes a student at the school. Just look at the number of hands he's stolen in the TV episode as further proof of this.
- Would Hurt a Child: He's implied to have already killed several and planned to do the same to Jerry.
Mud MonstersFrom You Can't Scare Me! The Mud Monsters are zombies who live in the depths of Muddy Creek. Once a year they rise out of the creek to search for victims to drag back with them into the mud.
- Covered in Mud: They are mud.
- Our Zombies Are Different: At this point, they're basically half human, half mud.
- Talking the Monster to Death: In the TV show, Courtney does this by going on a rant towards the Mud Monster in order to stall it long enough for it to freeze due to the frigid temperatures.
- Tragic Monster: They were originally poor settlers forced to live in huts alongside Muddy Creek because the richer citizens of the nearby village wanted nothing to do with them. On the night of a violent storm, the creek was flooded, washed the village away, and the settlers drowned to death.
Princess NilaA reporter from the egyptian newspaper, "The Cairo Sun", Nila befriends Gabe and his family in "Return of The Mummy." In reality, she's actually a thousand year old egyptian princess who hopes to use the Hassad family as a means to resurrect her brother. A character resembling her appears in a promotional shot for the Goosebumps movie.
- Ambition Is Evil: Wants to resurrect her brother, Khor-ru, so they can make a comeback and take over Egypt together.
- Animorphism: Can transform into a scarab, which is somehow connected to her amber pendant.
- Badass Princess: A non-combat example. She's not particularly strong, but the lengths and steps she takes to find her brother are impressive.
- Bitch in Sheep's Clothing: To Gabe and Sari's horror.
- Cain and Abel: Her brother tries to strangle her after waking up.
- Even Evil Has Loved Ones: She may be a sociopath, but Nila was willing to go to extremes to bring her brother back so they could rule together. She also mentions her mother as the one who named her.
- Really 700 Years Old: Pretty awkward, considering Gabe's uncle had a crush on her...
- Soul Jar: Her scarab pendant. It's apparently what allows her to maintain human form.
- Shoot the Shaggy Dog: Waits for thousands of years to begin her plan, creates a new identity, manipulates an archaeological dig, harnesses Gabe's power, brings back Khor-ru...only for her brother to want nothing to do with her, and then get trapped in scarab form thanks to Gabe's interference.
- Shapeshifter Mode Lock: Her ultimate fate, after Gabe smashes her pendant.
The Sadler Trio
- Voiced by: Annick Obonsawin (Television Series)
- Ascended Extra: Didn't come to life until the very end of Night of the Living Dummy, after the heroes destroyed the main antagonist, Mr. Wood. The sequels obviously focus on Slappy, though he occasionally shares the spotlight with other dummies.
- Big Bad: Of his mini-series.
- Big Bad Ensemble: The Movie will have him somehow unleash an army of villains from the books, including Priestess Nila, Count Nightwing, and Sarabeth.
- Big Bad Wannabe: He may be the face of the franchise, but Slappy is actually a small fry compared to other, more powerful antagonists. His plans are usually thwarted by other dummmies, and in the "Horrorland" series, he's just another minion of the Menace. While he does kickstart the events of the movie, it's unlikely the other villains will take orders from him.
- Bad Boss: The way he treats his intended "slaves" should say enough, but he also acts this way to Rocky.
- Breakout Villain: Arguably the most well known villain of the series.
- Demonic Possession: Happens at the end of "Bride Of The Living Dummy", and possibly at the end of the TV adaptation of "Night Of The Living Dummy III"
- Determinator: His owners are always in for a surprise when they try to get rid of him.
- Evil Redhead: Though he's a brunette in the books.
- Eviler Than Thou: Meets one in Slappy's Nightmare, another ventriloquist dummy trying to take his place.
- Expy: Of Chucky from Childs Play.
- Failure Is the Only Option: His goal is to find human slaves, which he has made no progress with since his first appearance.
- Finally averted in Goosebumps Most Wanted: Son of Slappy. After Jackson spends the entire book trying to fight off Slappy's hypnotic control, he defeats Slappy and hides him...only for his bratty sister, Rachel, to find Slappy, team up with him, and they ''both'' end up controlling him and making him do terrible things. The reason? Because Rachel was tired of her "perfect brother" making her look bad.
- For the Evulz: Besides getting "slaves", this is pretty much his only motivation. He even says "Evil is its own reward" in Son of Slappy.
- Hypocritical Humor: This:Slappy: Wrapping a kid in the drapes is something I would do just for fun. But Stella? She's totally unbalanced. She's sick!
- I Have You Now, My Pretty: His interactions with his female owners are pretty disturbing to read as an adult.
- Joker Immunity: Gets destroyed (or at least disposed of) at the end of most books, yet always returns for another sequel.
- Laughably Evil: He's still a prick, but he's much more playful and mischievous than outright sadistic.
- Politically Incorrect Villain: Besides being a raging misogynist, he also mocks people's weight and age. At least he avoids racism.
- Villain Protagonist: Slappy's Nightmare is told from his perspective. Stine makes him slightly more sympathetic by pairing him with an even worse antagonist.
Tara WebsterMichael's bratty, sadistic little sister in The Cuckoo Clock of Doom.
- Enfant Terrible: She's tormented her brother ever since she was a baby. The fact that her terrible behavior started out from the time she was an actual infant shows there is something really wrong with this girl.
- For the Evulz: She torments her brother simply because she enjoys making him miserable.
- In-Series Nickname: "Tara the Terrible".
- Manipulative Bitch: Not just towards her parents, but pretty much everyone except Michael are incapable of thinking she could do anything wrong and she milks it for all it's worth to make Michael suffer.
- Ret Gone: Due to a flaw in the clock, she is erased from existence. Michael decides he will probably find a way to go back and get her sometime...maybe.
- Parental Favoritism: Their parents obviously favor her, believe her to be completely innocent, and call Michael a liar when he defends himself.
- The Sociopath: She never shows any remorse for the horrible things she does to her brother, which include getting him beaten up and ruining his birthday party. The book also shows her torturing the family cat, again from a young age.
- A Father to His Men: Zigzagged. He seems pretty warm and friendly before revealing a much more dark and cruel side. In the end, though, he was doing it all for the good of his campers.
- Badass Mustache: His first scene has him scare off a bunch of leopard like creatures threatening the campers.
- Drill Sergeant Nasty: He doesn't even hire a nurse at his camp because he doesn't believe in "pampering" his boys.
- Human Alien: Revealed to be this in the twist(along with everyone else at the camp).
- Secret Test of Character: The entire plot is revealed to be this for Billy.
- Scooby-Doo Hoax: He, along with all the other campers, invented a monster that's said to live in the forbidden bunk.
- Well-Intentioned Extremist: He's actually a nice guy who wants to ensure his campers' success, it's just that his methods are extremely dangerous and unethical.
VanessaA witch who was the main villain of Chicken Chicken. She curses two children into slowly, and painfully, transform into actual chickens because they made her drop her groceries by accident.
- The Bad Guy Wins: When Crystal and Cole burp loudly without saying "Excuse me," Vanessa says "Pig, Pig."
- Dark Is Evil: She dresses entirely in black.
- Disproportionate Retribution: And how. The torture she puts Crystal and Cole through is totally unwarranted, even if they knocked her over, and the only reason she didn't curse their friend was because he gave an offhanded apology as he was running away. Her actions made Chicken Chicken turn out to be one of the most despised entries in the series.
- Hate Sink: One of the most reviled characters in the entire franchise, and with good reason.
- Karma Houdini: She gets away with cursing Crystal and Cole twice.
Will Blake/Werewolf of Fever SwampA streetwise local boy from Fever Swamp, California, and the first in a long line of werewolves to appear in the franchise. Recently,his werewolf form is appearing in the upcoming movie.
- Ambiguously Brown: He has vaguely Hispanic features in the graphic adaptation.
- Arbitrary Skepticism: He frequently scoffs at the notion of werewolves,even when his friends are suspecting the Swamp Hermit. This could imply either he's trying to keep his secret as much as possible, or he's deeply ashamed of what he is.
- Composite Character:In the TV episode it's him,not Cassie,who is obsessed with werewolves and accuses the Hermit.
- Dying as Yourself:Sadly subverted. In the TV episode, he reverts partially to human form long enough to warn Grady...and than changes back before Wolf kills him.
- Nice Guy:As a human,anyway.
- Parental Abandonment:Earlier in the book,he mentions his Dad telling him the story of Fever Swamp. When Mr. Tucker pays his home a visit, it's completely empty.
- Poisonous Best Friend:Grady gets along very well with him. Will kills his family's deer,frames his dog, and tries to kill Grady himself as a werewolf.
- Tragic Monster:We don't know just how much agency he has as a wolf,but he does seem to avoid attacking people in homes,and begs Grady to stay back after changing back in the episode.
- Our Werewolves Are Different:A kid wolf.
Wilson SchlammeJack's rival in How I Learned To Fly. An arrogant kid who seems to be the best at everything.
- The Ace: He effortlessly creates balloon animals in seconds, has a top-of-the-line bike and roller blades, we could go on forever. Even his dog is better than Jack's.
- Anything You Can Do, I Can Do Better: If he and Jack are both chewing gum, he insists that the bubbles he blows are bigger and rounder than Jack's. If they aren't, he pops Jack's bubble all over his face.
- Celebrity Is Overrated: His pursuit of fame and glory eventually causes him to move away and lose his social life, while Jack stays behind, returns to normal, and gets the girl.
- Jerk with a Heart of Gold: He seems to genuinely want to please Mia, even if his tactics are inscrutable.In the end, the real reason he loses is because he can no longer be with her. He also rescues several endangered people as Wonder Wilson, and offers Jack a place as his sidekick, although the latter may have just been him taunting Jack.
- The Rival: He competes with Jack for everything, especially Mia's affections.
- Smug Snake: In the end, his need to make everything a contest and to be the best at everything causes him to lose his social life and his chances with Mia.
Dr. DeepBilly and Sheena's uncle, he's a marine biologist who discovers all sorts of strange phenomena that endanger him, his niece, and nephew.
- Adults Are Useless: He does try to avoid it, though.
- Distressed Dude: Billy and Sheena always have to save him from whatever menace he's disturbed. One wonders how he's able to survive without them.
- Heel Realization: After the fight to save the Mermaid from the crooks, he still seems to be thinking of capturing her. When the zoo workers arrive, though, he tears up their reward money.
- Horrible Judge of Character: Attempts to reason with his treacherous assistant Alexander, even after the latter tried to kill him and the kids earlier that night.
- Reasonable Authority Figure: He's useless in dangerous situations, but he does try his best to keep the children from danger.
- Reed Richards Is Useless: No, Dr. Deep, selling a freaking Mermaid to a children's zoo isn't a good idea.
The ShopkeeperThe owner of a mask shop in The Haunted Mask. Also appears briefly in The Haunted Mask II. He creates masks of living flesh to conceal his own deformities (see All There in the Manual below) but they always become corrupted and ugly, forcing him to keep making new ones. In the Goosebumps TV series, he's played by Canadian actor Colin Fox.
- Adaptation Expansion: In the TV episode of The Haunted Mask II he has a greatly expanded role, wherein he gets taken over by the original Haunted Mask.
- All There in the Manual: His backstory is provided in the Goosebumps Collector's Caps Book, wherein it's revealed he was injured in a high school chemistry accident, leading him to begin creating the masks.
- Multiple-Choice Past: Although, as noted above, he is given an official backstory in the "Goosebumps Collector's Caps Book", his origins and exact motivations for creating the masks are never explicitly stated in either the books or the episodes. Furthermore, the Goosebumps Wiki states that he was born ugly/deformed (as opposed to becoming so via an injury). It's really rather unclear what his actual past is.
- Everyone Calls Him Barkeep: The Shopkeeper's real name is never revealed (not even in the backstory described above).
- Dark Is Not Evil: Despite his all-black attire and generally slightly threatening manner, he isn't that bad of a guy, just sort of moody and depressed.
- Gone Horribly Wrong: His experiments to regain his looks could not have gone worse.
- Jerk with a Heart of Gold: In the TV episode. Although grumpy and moody, he still tells Carly Beth how to remove the mask, out of sympathy for her plight.
- Reed Richards Is Useless: The pioneering this guy did in growing artificial, lifelike faces would have ended disfigurement, had he taken the time to publish his discoveries.
- Mad Scientist: Quite possible with this guy. If not mad, then at the very least eccentric.
Alexander DuBrowDr. Deep's assistant. A nice guy, but a terrible cook. After his boss captures the mermaid, Alexander decides to steal it for himself and make a fortune. He's last seen under attack by the creature's vengeful family.
- Asshole Victim: He was willing to murder children just to strike it rich. Needless to say, no one's complaining when the mermaids drag him to his doom.
- Blond Guys Are Evil: He's described with "wavy blond hair" and crinkling blue eyes.
- Hate Sink: His actions are meant to show Billy and Dr. Deep the dangers of discovery and ambition.
- Humans Are the Real Monsters: He is the first antagonist to have no supernatural qualities or goals.
- Karmic Death: Possible, since he never appears in the rest of the book or its two sequels.
- Lack of Empathy: Has no qualms about betraying his boss and allowing him to be murdered as long as he gets paid.
- Lethal Chef: The mermaid is the only one who can stand his cooking.
- The Mole: We never find out who he was working for, though.
- Not So DifferentJust as Billy (originally) wanted to use the mermaid for fame, Alexander wants to use her for fortune.
- Only in It for the Money: "The Zoo was going to pay 1 million dollars for this mermaid. But my new boss will pay me 50 million!''
- Reasonable Authority Figure: Subverted. It's all an act.
- What Happened to the Mouse?: We never find out what happens to him and his cohorts after the Mermaid attack. Maybe it's better that way.
CourtneyA popular, smart girl in You Can't Scare Me! who is seemingly not afraid of anything, but is very gullible when it comes to local legends about Mud Monsters.
- The Ace: And how!
- Alpha Bitch: She's popular, good-looking, and virtually nothing can faze her.
- Designated Villain: She doesn't do anything bad except piss off the protagonists by being perfect at everything.
- Insufferable Genius / Smug Snake: Especially in the TV episode, where she mocks the protagonists for trying to scare her and actually talks the monster to death.
Harrison SadlerAn obsessive, bitter, and determined old man, Sadler sees himself as a ghost hunter. He hides out in a cave near his hometown and spies on three ghostly children in the area, seeking to capture them. When Jerry and Terry Sadler show up, he finds his chance.
Thalia Halpert-RodisA student at Bell Valley Middle School who becomes friends with Tommy Frazier. Thalia gets picked on because she wears a lot of make-up, to the point that she nearly has a nervous breakdown when someone steals her lipstick. She was part of the original Bell Valley Middle School class of 1947, the one sent into Grayworld by Mr. Chameleon. Thalia was one of a few who retained their sanity, and discovered by accident a way to escape back into the color world, only she is now permanently gray.
- Berserk Button: Don't ever try to steal her lipstick or her make-up.
- Broken Bird: While she stayed sane after all those years, she feels so out of touch with the modern world she'd rather spend the rest of her life trapped in a colorless, photo-like dimension with the rest of her friends.
- Chekov's Gun: Her lipstick. When she was still in Grayworld, she discovered that a lipstick tube buried in her purse somehow retained its color. She started drawing with it and was shocked to see the color had eaten away at the walls and opened a portal back to the real world. Thalia went through, but the hole closed up before she could get her friends. When she makes it back to Grayworld, she uses the lipstick to help Tommy and Ben escape.
- Going Native: The stress of constantly hiding her gray visage, being constantly picked on by the other kids because of her "obsession" with make-up, and just generally feeling out of place because of how different the world is makes Thalia realize the only place she belongs now is Grayworld.
- I Choose to Stay: After helping Tommy and Ben return to the color world, she stays behind because she doesn't think she belongs outside of Grayworld anymore. The rest of her friends end up realizing the same is said for them.
- Locked into Strangeness: She's completely gray, and wears so much make-up to hide her gray skin and hair. Like the rest of the class, being in Grayworld stopped her physical growth.
- Older Than They Look: She should be in her sixties by now, considering she was a member of the 1947 class.
- Uncanny Valley Make Up: She wears so much of it that this is the end result.