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The Trio
Ickis
Ickis
Voiced by: Charlie Adler
Our main hero, flawed as he is. Son of the legendary Slickis, he has a lot to live up to... but his Ugly Cuteness, nervous disposition and self-confidence issues combined with his tendency to slack off keep working against him. Still, one shouldn't underestimate him based on his looks or personal problems; his scaring skills are nothing to laugh at...
- Acquired Situational Narcissism: Give him a situation where he temporarily gets popularity, riches or notoriety... and about five seconds. Hello again, cocky-ass Ickis!
- Aesop Amnesia: A chronic case. See above.
- Played With. To be fair, he always becomes cocky for a different reason (he completes a successful scare and gets praised by the Gromble and Dizzle, he's farther along on his homework than Oblina for a change, he finds a bunch of toenails and is temporarily wealthy, he's new in school and thinks having a famous father automatically means he will be respected and revered simply for existing.) The Aesop is never presented as "don't be cocky" but "don't be cocky if *insert situation* happens" so it's likely Ickis never makes the connection that cockiness all by itself is annoying or wrong.
- Badass Adorable: Despite that he's the example of ugly cute, he does have a cute personality. but don't make angry, or else he will scare the hell outta you.
- Belligerent Sexual Tension: With Oblina, the two snipe at each other all the time but it’s clear they are attracted to each other.
- Berserk Button: He is not fond of being called a rabbit. It doesn’t stop him from applying as Badass Adorable.
- Big Damn Heroes: When push comes to shove, he’ll swallow his pride to do it.
- Big, Thin, Short Trio: The Short to Krumm's Big and Oblina's Thin.
- Brilliant, but Lazy: Despite his self-doubt, he actually had real talent and wit; however, he spent a lot of time slacking off and neglecting his scares, leaving them to the last minute... and then panicking about it.
- Catchphrase: "I hate my life." Doubles as a Shout Out to Rocko's Modern Life, where Ed Bighead (also voiced by Charlie Adler) expresses the same refrain. He has a few other repeated sayings like "On the good foot!", "I'm bad!" and "No way!" that are used sporadically, but not quite to the same extent as "I hate my life."
- The Chosen One: There are definite elements of this. In the first season, "Where Have All The Monsters Gone", The Great Pool, the collective embodiment of all monsters, declares Ickis is the one who will lead the other students to rectify the lack of fear crises — which he does. In the second season, Ickis is the monster selected to undertake the once every 400 years quest to find the Holey Pail; this is a big deal in monster society, and the last monster to quest for it was none other than the Gromble.
- Clark Kenting: His Super Monster costume is nothing more than a towel for a cape and underpants for a mask. It does at least cover his ears, which seem to be viewed as his most distinguishing feature.
- Cowardly Lion: He's usually the first one to get scared and try to chicken out, but he can very easily be counted on if his friends are in trouble.
- Crouching Moron, Hidden Badass: Most commonly kind of goofy, but when he gets serious...
- Cute, but Cacophonic: Ickis is the least scary-looking of the regular monsters, but he has a very high-pitched voice courtesy of Charlie Adler. This isn't entirely a bad thing in monster culture; when he and Krumm are mashed together to become Krickis, Krumm is genuinely pleased he can now whine like Ickis does.
- Early Installment Character-Design Difference: Ickis wears glasses in most scenes from "Monsters Get Real" which was intended to be the series pilot. He doesn't wear glasses any of the other episodes.
- Fantastic Racism: When Ickis becomes spontaneously combustible, almost all the other monsters react with fear and refuse to be around him. Horvak takes it the farthest, by actually pulling Krumm out of the Academy temporarily.
- Forbidden Fruit: Was absolutely fascinated by human culture, despite the Gromble forbidding everything to do with it.
- Guile Hero: Since he didn't have much in the way of sheer physical strength, and going One-Winged Angel couldn't solve all his problems, he tended to rely more on quick thinking and Indy Ploys.
- Hidden Depths: Ickis is a surprisingly good dancer, as shown in multiple episodes.
- I Am Not Weasel: Humans often mistake him for a bunny, much to his annoyance.
- I Just Wanttobe Badass: In the "Monsters Are Fun" episode, after the Gromble assigned Oblina and Krumm the task of scaring the riders to shut the ride down, Ickis, upset that he wasn't chosen, goes to the carnival on his own and successfully scares many of the humans riding the ride.
- Inferiority Superiority Complex: Inverted; he has one, but instead of the high-and-mighty airs being his default mode, he only assumes them when given the opportunity. The rest of the time, the emotional mess underneath is fully exposed.
- Interspecies Friendship: While monsters in general seem to look down on humans, Ickis really seems to be quite amiable towards them; whilst he still scares them because he has to, and enjoys doing so, he really does sit in Punch-Clock Villain territory with the fact he's quite companionable towards them if given the opportunity. He makes fairly good friends with Bradley, despite their less-than-stellar first meeting, and in one episode becomes attached to a blind old blues player to the point of going on one of his most impressive physical transformations to help him.
- It Sucks to Be the Chosen One: Due to having shades of being The Chosen One, the Gromble is sincerely proud of Ickis and fully expects him to go on to greatness. Ickis is flattered to hear it, until the Gromble tells him he will be riding him harder than ever before to make sure that potential is fulfilled. Ickis, of course, gets very nervous to hear that.
- Jock Dad, Nerd Son: His father has won a few trophies, and ribbons, and plaques, and more trophies... A recurring theme is Ickis despairing of ever matching the Great Slickis' exploits. It's telling that when the Gromble forces him to become a last-minute entry in a wave-riding competition, the same competition that his father NEVER lost, everyone is betting on Ickis... to lose. In a surprising twist, Ickis proves that he could have won that event, but gives up a sure victory to go back and save Krumm.
- Unusually for this trope, however, his father isn't really that demanding and is quite understanding that his reputation is a lot to live up to. In his introductory episode, he deliberately showcases one of his own embarrassing failures to help his son realise that even The Great Slickis didn't start out so great, and he's highly proud of Ickis's above mentioned moral victory.
- Jerk with a Heart of Gold: Ickis really is a good person once you look past the cockiness.
- Keet: He's the most manic and hyperactive of the three heroes.
- Killer Rabbit: Ickis's transformations include fangs and claws that certainly look quite nasty, even before he starts growing larger. Even when he doesn't have them, he's got a nasty bite, and he's actually pretty good at making scary sound effects (screeching, scraping claws, gnashing fangs). It's usually when he appears and people see how much like a rabbit he looks that they tend to stop being scared.
- Large Ham: Would you expect anything less from a character voiced by Charlie Adler?
- Let's Get Dangerous!: When the chips are down is when Ickis tends to forget about his issues and just go with his instincts.
- Mood-Swinger: Depending on the moment, he could go from cocky Jerkass to wide-eyed naivete to Deadpan Snarker to panicky
Woobie. - Mr. Vice Guy: If an episode is going to focus on a monster developing a vice, it's usually going to be Ickis.
- Naïve Everygirl: A male version.
- Nerd in Evil's Helmet: An inversion, in that Ickis normally looks cute and cuddly, with his truly monstrous side hidden until he manages to trigger a transformation.
- The Noseless: Which is strange since he has ears as well.
- "Not So Different" Remark: From his father or the Gromble. It’s established that the latter was just like him at his age.
- Other Me Annoys Me: Is conned into creating 5 clones in one episode. The clones fulfill his 5 scares in a day assignment, enabling him to play Sewerball. In a rare moment of glory, Ickis wins the game. Too bad for him the clones escape from his dorm and annoy The Gromble, The Snorch, Zimbo, Krumm, and Oblina, leaving Ickis highly upset.
- Parental Issues: He's deeply concerned about trying to live up to his famous father's reputation.
- Red Eyes, Take Warning: A signal he was going to start looming was his eyes turning red. The accompanying noises made it sound like they were actually filling with boiling blood.
- Sensitive Guy and Manly Man: The sensitive guy to Krumm's manly man. Sometimes, this can be inverted between the two.
- Ship Tease: The clone Ickis seems to regret the most is Chickis, the lecherous clone who tries to kiss Oblina, which he claims he will never be able to live down. Bear in mind that Ickis got awfully jealous when Oblina was squishing on the popular Gludge, once confessed that he didn't know what he would do without her, and his version of how they scared an opera house full of humans had Ickis rescuing the nervous, starry-eyed Oblina who all but swoons over his bravery.
- Sizeshifter: Called 'looming' or 'growing', which also functioned as a One-Winged Angel mode for his victims. Of all the monsters, he seems to be the most adept at it, once growing bigger than an apartment building.
- The So-Called Coward: Being a monster who is capable to terrify the living daylights out of humans when using his famous scare style certainly is enough to prove that he's a lot more capable of such a task than he sometimes would seem.
- Strong Family Resemblance: He's basically a somewhat scrawnier version of his dad.
- Two Guys and a Girl: He and Krumm are the Two Guys to Oblina's Girl.
- Ugly Cute: In-Universe, this is how humans react if they actually see him. Seriously; in one episode, a nurse he has terrified to the point of cowering in fear whilst he was in the shadows immediately calms down and starts cooing over how cute he is upon seeing him in the light. In another, a man with a nervous disorder that makes him terrified of literally everything — to the point he's seen screaming in terror of a chair and his own bed — just smiles and cuddles Ickis on first seeing him, calling him "teddy".
- "Well Done, Son" Guy: A big part of his character involves his insecurities next to his father Slickis, who is The Ace and seems to be Ickis's polar opposite. In reality, they're not that different, and it's worth noting that unlike some examples of this trope, Slickis actually does care about and encourage his son.
Krumm
Krumm
Voiced by: David Eccles
Ickis's best friend and fellow underachiever, a squat, hairy, peach-colored monster with free-rolling eyes that he normally carried around in his hands. Cheerful and carefree, he never stressed about scaring as much as his roommates, just enjoying whatever misadventures they got into.
- Affably Evil: He’s a monster, but he’s generally pretty nice.
- Big, Thin, Short Trio: The Big to Oblina's Thin and Ickis' Short.
- Bizarre Alien Biology: His eyes aren't even attached to his body, but somehow they still provide him vision nontheless.
- Brilliant, but Lazy: Krumm is actually more intelligent than he lets on (much to the surprise of The Gromble), to the point where he's actually scored second behind Oblina in scaring at least once. He only acts dumb because there's less pressure on himself that way.
- Cephalothorax: He's basically a giant, hairy mouth/belly combo with stubby limbs, a big nose, and a pair of free-floating eyeballs.
- Curse: Suffered from the Curse of the Krumm, a complete loss of his trademark hideous stench, for a period of time, but managed to break it with the help of his friends.
- Eyes Are Unbreakable: Well, his father's fate implies they can be destroyed, but fortunately they're a lot tougher than human eyes.
- Eyes Do Not Belong There: Krumm carries his eyes around in his hands, allowing him to put them wherever he wants. He usually sticks them in his mouth if he needs to use his hands. In "Krumm Gets Ahead", Krumm gets a prosthetic head to hold his eyes so he can't lose them and so he has better use of his hands, but it causes complications for his scares due to his newfound vanity for it and it getting him stuck in toilets.
- The Fool: He's the goofy one of his friends.
- His Name Really Is "Barkeep": His family is called "the Krumm". Apparently, Horvak wasn't very imaginative when it came time to name his son.
- The Kirk: Generally, whenever Ickis and Oblina start arguing, he either tries to get them to stop, or he stays out of it. But even he gets frustrated with it from time to time.
- Loser Son of Loser Dad: Downplayed. His father Horvak flunked out of the academy and became a muck farmer, and the Gromble doesn't exactly expect a whole lot out of Krumm himself. Krumm seems pretty okay with this, though.
- Sensitive Guy and Manly Man: The manly man to Ickis' sensitive guy. Sometimes, this can be inverted between the two.
- Strong Family Resemblance: His dad looks just like him, except with mustache-like whiskers under his nose and a black glove over one hand (due to losing his eye during the American Revolution).
- His Uncle Grungy is less similar, being a Blob Monster, but he does have Krumm and Horvak's nose and hands.
- Two Guys and a Girl: He and Ickis are the Two Guys to Oblina's Girl.
- Weaponized Stench: Krumm's horrible stench can be aimed or deployed at humans to temporarily disarm them.
Oblina
Oblina
Voiced by: Christine Cavanaugh
Though her family had enough toenails that she could lounge in the lap of luxury for the rest of her life, Oblina chose to attend the Monster Academy. Since she could pull her insides out, she quickly became top scarer in their class, despite having two of the worst students as her roommates. Frequently tries to get them to take their studies more seriously, and isn't above gloating whenever ignoring her advice gets them in trouble... but isn't above the antics herself, and still considers them her best friends.
- Action Girl: Or the scarier equivalent.
- Balloon Belly: Because of how slender she is, when she eats something, it tends to visibly bulge through her skin as she swallows. A focal point in "Internal Affairs", in which she becomes infested by a parasite-monster that forces her to consume random junk to decorate his new home in her stomach, to the point it's feared she'll eventually rupture something.
- Becoming the Mask: Happened once; while disguised as a human to gather information on them, she had a bad reaction to cotton candy and ended up believing she was really human.
- Belligerent Sexual Tension: With Ickis, the two snipe at each other all the time but it’s clear they’re attracted to each other.
- Big, Thin, Short Trio: The Thin to Krumm's Big and Ickis' Short.
- Body Horror: Whenever she turns her body inside out to scare people.
- Braces of Orthodontic Overkill: After a youthful indiscretion of brushing her teeth once, she had to get a set of these to unstraighten them. This grabbed the attention of the Romantic False Lead — or rather, his reflection off of them did...
- Growling Gut: This happens to her in "Internal Affairs".
- I Warned You: A common refrain on her part.
- Insufferable Genius: Oblina is a genuinely talented scarer, but between her natural skill and her rather high ego as a wealthy heiress, she can frankly become quite obnoxious.
- Lonely Rich Kid: More so when she first arrived at the Academy, but outside of Ickis and Krumm, she doesn't really have any friends, since the other young monsters think of her as snooty, stuck-up, and a teacher's pet.
- Monstrous Cannibalism: She once threatened to eat Ickis.
- No Celebrities Were Harmed: Christine Cavanaugh said that she based Oblina's voice on actress Agnes Moorehead.
- Not So Above It All: Despite her complaints, she could get swept up in things just as easily as her roommates. While she often derided Ickis' fascination with human culture, that didn't stop her from being entranced by The Lamp, or developing an obsession with Westerns, and so on and so forth.
- One-Winged Angel: You know the one...
- Parental Issues: She's got.....mommy issues.
- The Spock: She is generally the most intelligent and rational of our three protagonists.
- Teacher's Pet: She's the Gromble's personal favorite.
- Toilet Humor: She burps when she eats a shoelace, which, sounds quite weird.
- Two Guys and a Girl: She's the Girl to Ickis and Krumm's Two Guys.
- What the Hell Is That Accent?: Speaks with a vaguely British accent, even though she is an American monster. Notably, her parents have a different accent. It also sounds vaguely New England-ish.
- In the Mexican Spanish dub, she speaks with a notable European accent in her voice, possibly in an attempt to sound her like another classic monster.
Monster Academy Staff Members
The Gromble
The Gromble
Voiced by: Gregg Berger
Headmaster and head teacher, The Gromble certainly isn't afraid to berate, belittle and punish his students whenever they falter in their scaring or studies. Particularly likes to single out Ickis and his friends — though admittedly, they do bring a lot of it down on themselves. For all his harshness, he really does care about his students and wants to see them succeed — even if he has to beat every scrap of hard work out of them!
- Accessory-Wearing Cartoon Animal: He wears a pair of black gloves, a black belt, and of course, four red pumps.
- Agony of the Feet: In the first iteration of his Multiple-Choice Past, the Gromble acquired his trademark high heels as a kid and has kept them ever since... even though he's outgrown the size he insists on wearing. His former teacher, the Shroink, explicitly tells Ickis, Krumm, and Oblina that the Gromble is so cranky all the time because his toes are pinched.
- Badass Teacher: When he's not being a Sadist Teacher, he does prove to be helpful toward his students when they need him.
- Camp Straight: He was melodramatic and wore red pumps, but in one episode had a crush on the female librarian.
- Chaste Toons: He has two nephews.
- Creepy Crossdresser: For some odd reason, he wears red women's high heels on his feet. He's even got a room full of them.
- Creepy High-Pitched Voice: Downplayed. He has a high-pitched voice and is a Large Ham, and acts like a Sadist Teacher sometimes, but deep down, he seems to really care for his students.
- Dean Bitterman: He's the head of the academy and he tends to be very grouchy.
- Expy: The Gromble was patterned in voice and design after the head Blue Meanie.
- Jerk with a Heart of Gold: Has his fair share of Pet the Dog moments.
- Large Ham: He nearly rivals Ickis in the department of having lots of volume and vigor when he speaks.
- Multiple-Choice Past: As stated in Vague Age, he was originally shown as a child learning from the Shroink in the 1920s, which is how he got his shoes... then he was later shown as having first become a teacher in the 1700s and was mentioned to have partaken in the hunt for the Holey Pail 400 years before the present.
- Not So Above It All: In the episode when Krumm temporarily abandons Scaring School to become an actor in a horror movie, once the Gromble learns, he goes after the movie producer... and then agrees to take Krumm's place because Krumm had quit the role before he arrived!
- Papa Wolf: He'll go to great lengths for his students, and doesn't care if you're a member of his academy or not if he catches you toying with his students he will make you regret it.
- Pet the Dog: Getting these moments now and then showed how much he really cared about his students.
- Red Eyes, Take Warning: A key indicator that you really ticked him off is that his eyes turn red (much in the same manner as Ickis' when he starts to loom, complete with the blood filling sound)
- Sadist Teacher/Stern Teacher: Depending on the Writer. His actions toward his students are often nothing short of cruel, but he is sometimes shown to care about his students and he's often depicted as only acting strict to deter them from goofing off.
- Security Blanket: His childhood bedtime toy Mr. Sluggy Buggy. He's frequently seen cuddling it as if he were still a child.
- Spell My Name with a "The": He has "The" in his name.
- Strong Family Resemblance: His mother shares some of his facial features and has a similar body shape.
- Suddenly Shouting: How he often speaks when he says something conciliatory to his students in a soft tone of voice right before he switches to a loud, angry tirade whenever he either demands them to do whatever he ordered his students to do or berate them for their mistakes.
- Vague Age: Possibly a Retcon? In one episode he was depicted as a young teacher just starting his career in the late 1700s, and another has him as a child in the 1920s.
- Teaching in the 1700s is more probable. He embarked on the Quest For The Holy Pail when he was a student... 400 years ago. The Gromble would have to be really 500 years old for some of his comments to even make sense, although it still seems like an exaggeration to say he hasn't seen another monster in centuries.
- Verbal Tic: Switches between a sweet (and extremely sarcastic) tone of voice, a sinister growl, and over-the-top screaming at the drop of a hat.The Gromble: Oh, Master Ickis, how inquisitive you are today! It is so ANNOYING!!!
The Snorch
The Snorch
Voiced by: David Eccles, Brock Peters ("I Heard the Snorch Call My Name")
The Unintelligible monster who handles all the Cool And Unusual Punishments rule-breaking students have to suffer. Very intelligent, with a love for the very same things he uses as punishments, like opera and square dancing. Unfortunately, the communication barrier makes it difficult to share his interests and thoughts with others...
- Berserk Button: Don't mess with his golden nosehair... he's very protective of it. The main trio figure this out the hard way.
- Big Guy, Little Guy: The big to Zimbo's little.
- Cool and Unusual Punishment: His specialty. He’ll make you clean shoes and listen to bad music amongst many others.
- "Flowers for Algernon" Syndrome: In "I Heard the Snorch Call My Name" he's fitted with an electronic voice box that allows him to speak normally, revealing himself to be a smart and sensitive creature. Unfortunately, it doesn't last and he's quite downcast when he returns to normal.
- Hidden Depths: The Snorch honestly enjoyed classical pursuits like opera and was highly intelligent.
- Loud of War: Music is a preferred punishment method of his.
- Odd Friendship: When he can speak he forms a genuine friendship with Oblina, although it doesn't seem to last outside of that episode.
- Spell My Name with a "The": He’s barely called Snorch. It’s almost always The Snorch.
- The Unintelligible: To everyone except Zimbo. Briefly changed in an episode, but Status Quo Is God.
Zimbo
Zimbo
Voiced by: Tim Curry
As the only monster capable of understanding The Snorch — and a craven little coward with a tiny body and no real physical strength of his own — Zimbo likes to stick close to The Snorch and leech off his fearsome reputation. Also uses his size to his advantage by spying on the students and reporting back to The Gromble.
- Big Guy, Little Guy: The little to The Snorch's big.
- Green and Mean: A green-haired jerk.
- The Informant: To the Snorch and Gromble. If anything comes up, he’ll report it.
- Jerkass: In spades. Ickis freaked out about a cute movie? He freaks him out more to the point of potentially getting him institutionalized.
- Laser-Guided Karma: In "It's Only A Movie," he suffers a fate, after being revealed to be the monster in the Cuddles Bear suit who scares Ickis ''just for the heck of it'' in the form of having to listen to rather cutesy music, done by The Snorch.
- Light Is Not Good: He looks like a bee (the one insect that represents birth), but he's clearly no good guy.
- The Stool Pigeon: He's the Gromble's tattle-tale.
- The Napoleon: The smallest and the nastiest monster. Ever.
- Professional Butt-Kisser: To the Gromble and the Snorch.
- Translator Buddy: He is the only student who understands The Snorch's mutterings... although on the rare occasion where he disagrees with the Snorch, Zimbo will deliberately offer an incorrect translation.
- Villainous Friendship: Zimbo does seem to genuinely consider The Snorch a friend, though how much is genuine affection versus just using him to boost his own status is open to question.
Other Students
Hairyette
Hairyette
Voiced by: Marcia Strassman
A background student in the Monster Academy and a friend of Oblina.—-
- Bat People: As only shown in "Slumber Scare", Hairyette's scaring method is separating her body segments and turning her arms into bat wings.
- Graceful Ladies Like Purple: She wears a skirt which is usually colored purple, but it is also sometimes blue or pink.
- Pom-Pom Girl: She is on the school's cheerleading team.
Horrifica
Horrifica
Voiced by: Sharon Mack
A monster who has several appendages on her head, three eyes, and a teal dress.—-
- Out of Focus: Her first starring role was in "Krumm's Pimple", but she was only shown in the first half.
- Pom-Pom Girl: She is on the school's cheerleading team.
- Third Eye: Horrificia has three eyes.
Zabliner
Zabliner
'''Voiced by: N/A
A grey colored monster who has a creasant-shaped head.
—-
- The Voicless: Zabliner has never spoken in the show. The only sound they've made is a rasberry in "Ship of Fools''.
- Viewer Gender Confusion: Zabliner's gender is unknown since they've never talked in the show and are never referred to by name.
Parental Units
Slickis
Slickis
Voiced by: Billy Vera
Ickis's father and the most famous graduate of Monster Academy. Living up to his legacy is quite the responsibility...
- The Ace: Played straight, as he's a naturally gifted scarer and athlete and is a Nice Guy who's well-liked by almost everyone. On the other hand, he has some Hidden Depths suggesting he's not that different from his son.
- Acrofatic: Flashbacks show him as a chubby bonsty, and even nowadays he's quite a bit broader and heavier than Ickis. Yet Slickis still has an easy time scaring humans, can stand up to a tank, and is great at monster sports (evidenced when he bowls a perfect game of Gorblats.) He might be a Big Eater as he cheerfully suggests buying a large amount of Slime Pies, and his first choice when listing father/son activities was to go forage for food.
- Boisterous Bruiser: Extremely friendly, cheerful, and happy, making yet another stark contrast with his emotional son.
- Generation Xerox: Basically an older Ickis with a scar on one of the ears.
- Minor Major Character: He's one of the most famous monsters to have ever graduated from the Gromble's Academy and father to Ickis, yet he only appears in 5 episodes (one of which is a flashback, and another is part of a dream sequence.)
- "Not So Different" Remark: Has admitted that he didn't have the easiest time in school and was a lot like Ickis.
- Papa Wolf: Risked his own life to save his son's from being flattened by a tank in a botched scaring attempt certainly counts
- Scars Are Forever: As an adult, his ears are torn in several places.
- Strong Family Resemblance: Was a little taller than Ickis and had a stockier, sturdier build.
Horvak
Horvak
Voiced by: David Eccles
Krumm's father, an equally cheerful monster who makes his living as a muck farmer. Has only one eye, and wears a black glove over his empty hand.
- Curse: Like his son, suffered the effects of the Curse of the Krumm. Unlike his son, was never able to break it, and lost his stench for good.
- Eyepatch of Power: Wore a black glove over the hand that was supposed to hold his lost eye.
- Eye Scream: He attempted to scare people in pre-Revolutionary America, but dropped one of his eyes as a soldier dropped a box of musket balls. The soldier grabbed Horvak's eye by mistake, loaded it, and... well, it was the Shot Heard Round the World.
- Fantastic Racism: He doesn't want Krumm to attend class with a combustible monster, and tries to come up with an excuse for Krumm to leave.
- Generation Xerox: Basically Krumm without an eye.
- Perma-Stubble: Well, whatever kind it is for monsters.
- Strong Family Resemblance: Basically looked like an older version of his son (minus one eye).
Sublima
Sublima
Voiced by: Charlie Adler
Oblina's rich and overbearing mother. She disapproves of her daughter becoming a common scarer, and would much rather see her return to the lap of luxury.
- Rich Bitch: Looks down upon other monsters who aren't as wealthy, and thinks that her daughter's dreams of becoming a great scarer are beneath her.
Skeech
Skeech
Voiced by: Marvin Kaplan
Oblina's meek and submissive father, who only wants to see his wife and daughter happy.
- Open-Minded Parent: He is in favor of his daughter's scaring career and stands up to his wife to allow Oblina to return to the Academy.
Important Humans
Simon D. Hunter
"They want evidence? I'll get 'em evidence!"
Simon D. Hunter
Voiced by: James Belushi
As his title implies, Simon is a self-declared monster hunter, determined to break the masquerade and prove once and for all that he isn't insane. Develops a very personal grudge against Ickis after the little monster thwarts his plans and keeps humiliating him. His surname and middle initial were given in his expired driver's license in the episode "Battle of the Century."
- Beware the Silly Ones: He's hammy as can be and can be quite ditzy, but he's come up with his fair share of plans that put the monsters on defense. He's also independently wealthy, so he has the resources to construct various devices and implement his plans.
- Card-Carrying Villain: In "Simon Strikes Back," he describes himself as "bad" and "worse" and eventually christens himself Simon the Terrible.
- Even Evil Has Standards: Despite constantly trying to capture the monsters, Simon means no particular harm to them. In the episode "Showdown" he even rescues Ickis from some more ruthless monster hunters who want to kill Ickis instead of capturing him alive.
- Final Boss: He serves as this in the video game adaptation for the SNES and Sega Genesis. He launches nets at the monsters, grabs him with his claw if they get too close to him, and can only be damaged when they scare him. Hitting him with a projectile causes him to drop a Monster Manual, which allows the monsters to perform their scares.
- Hero Antagonist: At least, he sees himself as one.
- He Who Fights Monsters: He wanted to prove that monsters were real, and fancied himself the Only Sane Man, despite how the world at large viewed him as a lunatic. As the series progressed, he developed a personal vendetta against Ickis that drove him to increasingly nastier and ever-more-insane plans, eventually becoming dead-set on getting his revenge on monsters in general and the Trio in particular.
- Humongous Mecha: Pilots one in "Battle of the Century."
- Hypocritical Heartwarming: Only Simon, the monster hunter, can hunt monsters.
- It's Personal: Over time, the humiliations pile up, so he develops a personal grudge towards Ickis.
- Large Ham: He knows how to make an entrance.
- Meaningful Name: Simon D. Hunter... Simon the hunter.
- Not-So-Harmless Villain: Whenever the monsters push him too far, he goes to extreme levels to catch them by force.
- Small Name, Big Ego: Believes he is a great hunter. The monsters can outperform him.
- Steven Ulysses Perhero
- Stupid Evil: Most of his failures to catch a monster is his own fault. For example, in one episode, he finally succeeds in catching Bigfoot...and he would've succeeded in showing everyone proof if he didn't waste time reading such a long list, thus giving the other monsters time to free Bigfoot before he is exposed to the humans.
- They Called Me Mad!: Known by and large as a crackpot, he will gladly indulge in this kind of ranting when embarking on a new scheme or when poised for victory. As noted above in regards to Bigfoot, his desire to lecture everyone about how he was right all along cost him the chance to prove he was right.
- You Have to Believe Me!: He is constantly ranting about monsters being real and always gets the reaction you'd expect such a person to get. Naturally, this makes proving he's not insane even harder. One episode outright ended with him in a straitjacket and locked in a padded room, all as he loudly kept trying to insist monsters were real.
Bradley
Bradley
Voiced by: Brett Alexander
A somewhat nerdy young boy who became curious about monsters after first encountering them. Briefly became Simon's apprentice; however, when Ickis told him what would happen if monsterkind was revealed to humanity, he promptly helped them escape and became a Secret-Keeper.
- Chekhov's Gunman: He doesn’t seem like much aside from almost getting Ickis in trouble at first, but he ends up slightly more important later on in the season.
- Chuck Cunningham Syndrome: Reappears only once after his Heel–Face Turn.
- Heel–Face Turn: Goes from hunting Ickis to being one of his allies.
- Secret-Keeper: One of the few people that knows about monsters.
Other
The Pool of Elders (Unmarked Spoilers)
The Pool of Elders
A mysterious pool of lava-like slime implied to be the source of existence for all monsters.- Chuck Cunningham Syndrome: For something so important and for something The Gromble supposedly talks about a lot, it only appears and is even mentioned in just one episode.
- Living Macguffin: The pool is evidently sentient and explains to Ickus that monsters were born out of the human mind. It is that very fear that fuels the pool and continues to give existence to monsterkind. If the pool ever dries up, then monsters will begin to vanish from existence altogether.
- Meaningful Name: The Pool of Elders is called such because it acts both as council for the Gromble and is implied to hold the souls of the ancient monsters that came before.
- Walking Spoiler: It’s hard to talk about him without discussing the plot of Where Have All the Monsters Gone?.
