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Characters / The Amazing World of Gumball: Elmore Junior High Staff

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Main Character Index | The Wattersons | Gumball Watterson | Students of Elmore Junior High | Elmore Junior High Staff | Other Citizens of Elmore | Other | Minor Characters

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    Bulldog Teacher
Voiced by: N/A
Debut: Season 4, “The Others”
A bulldog and teacher. He only appeared in “The Others”, walking in the hall a few times. According to his model sheet, he is a math teacher.


    Principal Nigel Brown
"Let me make this clear for you. If you wear fake clothes, you're NAKED, which is bad! If you pay with fake money, you're A CROOK, which is bad! If you eat fake meat, you're A VEGETARIAN! Which I... Guess is not that bad, just a bit boring."

Voiced by Lewis MacLeod (Season 1), Steve Furst (Season 2 onward)
Debut: Season 1, "The Third"
Last appearance: Season 6, "The Inquisition"

The school's principal (and occasional band teacher) who can be best described as a furry slug. He and Miss Simian have a strong attraction to each other and barely bother to hide it.

  • Accessory-Wearing Cartoon Animal: Only wears glasses, though his fur is sometimes treated as if it were an object of clothing. He may also be wearing high heels under his fur, which produce his loud clopping footsteps.
  • Berserk Button: He does not take cheating on a test well and will give whoever he catches cheating a spring break's worth of detention. Even his Love Interest Miss Simian is not immune to this, as he holds her back to eighth grade when he discovered she had cheated back then in "The Grades".
  • Cartoon Creature: Confusion as to Principal Brown's species is something of a Running Gag. On "The Others", when Gumball realizes just how amazing his world is and how Clare Cooper needs to see it, Gumball says that he goes to school with a banana (Banana Joe), a toast (Anton), a T-Rex (Tina), a ghost (Carrie), and "whatever Principal Brown is". In "The Lie" Principal Brown himself admits he doesn't know what his own species is.
    I tried to hibernate until spring, but it turns out that whatever I am doesn't do that.
  • Cloud Cuckoo Lander: Can be very loony, manic, and irrational at times. Emphasized more in his Day in the Limelight episodes.
  • A Day in the Limelight: In "The Apology," "The Fraud," "The Pact," and "The Wish."
  • Dean Bitterman: Principal Brown can be rather petty, once giving Gumball detention specifically because it might have messed up his face, although sometimes he can be the Reasonable Authority Figure reacting to something ridiculous Gumball or Darwin did.
  • Eye Glasses: His eyebrows are clearly on top of his glasses. He once took off his glasses dramatically, showing he had another pair of glasses under that while the glasses he took off still had irises and eyebrows on them.
  • Has a Type: His song in "The Singing" reveals he finds Ms. Simian attractive because he likes body hair.
  • Humiliation Conga: He's quite prone to these:
    • In "The Mystery" he was slammed with a door by Miss Simian, leaving him dizzy and causing him to fall down the stairs, covering himself in toilet paper, then smashed into Penny's painting and falling into some burning chemicals, causing him to fall down MORE stairs and wrapping himself in more toilet paper, then finally landing inside Gumball's locker.
    • In "The Meddler', Gumball crashes into him and he spills his hot coffee all over his face. He douses the coffee with a can of paint, burning his eyes; he washes off the paint with chlorine for the pool, burning off all his hair; and he finishes by neutralizing the chlorine with fertilizer, painfully growing his hair back. He is unscathed by the end of it, but he gives Gumball detention for potentially damaging his face.
    • Happens in "The Sock", though at a smaller scale. In this episode he has his head set on fire for reasons unknown, and later he throws himself out of a window to "rescue" Miss Simian.
    • In "The Apology" Miss Simian repeatedly trashes his office in rage every time she fails to get Gumball and Darwin in trouble. So he glues everything down. And it all gets stuck to him.
  • Iconic Item: His Brain Academy mug that was only seen in Season 1 and 2.
  • Interspecies Romance: Him (a furry slug like creature) and Miss Simian (an ape).
  • Morality Pet: He is probably the sole being that Miss Simian shows a soft side to.
  • Official Couple: With Miss Simian.
  • Older Than They Look: He was in a flashback to when Louie, Betty, and Donald were young which means he is about their age and they are in their 70s.
  • Phony Degree: "The Fraud" shows his degree in teaching is fake. He's worried about being exposed, but everyone who knows agrees to keep is secret so long as he actually focuses on his job.
  • Reasonable Authority Figure: He's often petty and frivolous, but in "The Apology" he refuses to punish Gumball or Darwin unless he's given solid evidence and he threatens to fire Miss Simian if she keeps trying to frame them, in spite of his personal feelings for her.
  • Totally Radical: In "The Fraud", where he tries to keep Gumball and Darwin silent from discovering that he had a fake diploma, one attempt was dressing up in a hip-hop outfit and speaking in 2010s terms such as piercings, hashtag, YOLO, selfies and swag. This went on until Mr. Small had to hit him with a cafeteria tray for being a Jerkass and attempting to be cool.

    Coach R. Russo
"Angry dogs, 3; Watterson, nil."

Voiced by Dan Russell
Debut: Season 3, "The Coach"
Last appearance: Season 6, "The Inquisition"

A red, cube-like person who takes over Miss Simian's/Mr. Small's/Principal Brown's duty as P.E. teacher in the third season, starting with the episode, "The Coach".

  • Bait-and-Switch Tyrant: When introduced in "The Coach", she seems like a blowhard Drill Sergeant Nasty, not letting Darwin and Gumball use their excuse note for gym, exhausting everyone in class, talking about ridiculous stories of her accomplishments, and seeming to overly favor Jamie. Halfway into the episode, she keeps Jamie from beating up Gumball and makes her apologize, to everyone's complete shock. From that point, it becomes clear that she's just a regular gym coach, even if she's overbearing and somewhat dense.
  • Cephalothorax
  • The Cobbler's Children Have No Shoes: She's in charge of physical fitness and goes on about how necessary it is, but she's in such terrible shape (literally and figuratively) that she gets exhausted running even the shortest distance. On the other hand, her daughter is very physically fit. Ironically, she's much better at her job than most of the staff, as her introduction has most of the students getting the first real workout they've had in their lives.
  • The Comically Serious: She always speaks in a declarative monotone even when describing completely ridiculous situations where gym class lessons would come in handy.
  • A Day in the Limelight: In "The Coach."
  • Fully Dressed Cartoon Animal: Something she has in common with her daughter.
  • Lady Looks Like a Dude: Despite the voice and gender-neutral-to-masculine appearance, Coach is actually a woman, something Gumball and Darwin didn't realize until the end of her introductory episode. Specifically, she's Jamie's mom.
  • Larynx Dissonance: Like Tina, she is female but voiced by a man—the same man who previously voiced Tina, in fact.
  • Masculine Girl, Feminine Boy: She's a giant red cube with a man's voice; her husband is a tiny green man with an effeminate voice. Given her daughter looks somewhat like her father but nothing like her, this is probably also an Interspecies Romance.
  • The Munchausen: She claims to have won at least three gold medals. The only proof she has are pictures (or just one picture) where she looks exactly the same as she does now and takes up the entire picture, and some of the details are blatant nonsenselike .
  • Only Known by Their Nickname: Only called "Coach" until "The Compilation", where she mentions her last name is "Russo".
  • Out of Focus: She has three appearances in season 5, and does not speak in any of those episodes. In season 6, she has another speaking role, but she is still out of focus.
  • Rapunzel Hair: Her hair goes all the way down to her butt, but she's a Cephalothorax. This creates a strange paradox where her hair can look short or very long depending on if you're comparing it to her face or her body.
  • Running Gag: Trying (and failing) to whistle.
  • Sarcasm-Blind: She demonstrates inability to understand sarcasm when trying to explain the use for skills learned in P.E.
    Coach: Let me paint you a picture. You're being chased by another pack of angry dogs. You've reached a ravine with only asymmetric bars allowing you to reach the other side. They want your pen. What do you do?
    Gumball: I guess I'd just turn on my jet pack, fly over the ravine, land in my flying car, and drive to space.
    Coach: That's completely unrealistic.
  • Sports Hero Backstory: Coach claims to have won gold medals at several different Olympic events, but it's pretty obvious that's she's making it all up.
  • You Gotta Have Blue Hair: She has blue hair.

    Mr. Moonchild Corneille
"If you rearrange the letters of 'tough fighter guy', you get 'tighter of hug guy'."

Voiced by Simon Lipkin
Debut: Season 4, "The Others"
Last appearance: Season 6, "The Inquisition"

A pixellated frog who teaches eighth-grade geography.

    Nurse Joan Markham
"No, I haven't lost weight. No, I haven't done something new with my hair. No, you don't have the Bubonic Plague. No, you can't have a second opinion on that, therefore, no, you cannot get a note to skip gym class."

Voiced by: Sandra Searles Dickinson
Debut: Season 1, "The Mystery"
Last appearance: Season 6, "The Agent"

The school's put-upon nurse, a living adhesive bandage, who has to deal with Gumball and Darwin trying to get out of gym class, Teri the paper bear's hypochondria, and Miss Simian's bad attitude.

  • Astonishingly Appropriate Appearance: She's a nurse and a living band-aid—as are most of the other medical personnel in the show, including doctors and paramedics.
  • Dressed to Heal: Wears a white cap with a red cross, and a white dress with another cross. Definitely a nurse.
  • Dr. Jerk: Having to put up with Gumball and Darwin looking for doctor's notes, Teri's hypochondria and other general craziness has left her a tad cantankerous.
  • Fully Dressed Cartoon Animal: Assuming the dress and shoes aren't just part of her body.
  • I'm a Doctor, Not a Placeholder: When people keep sending Bobert her way for fixing, she reminds them she isn't a mechanic. Miss Simian points out that Elmore has all kinds of weird students, so she should just shut up and deal with it.
  • Nerd Glasses: She wears enormously oversized eye glasses—or rather lenses inexplicably attached to her face.
  • Nice Hat: A white nurse hat with a red cross.
  • New Job as the Plot Demands: She is mostly a nurse, but is a paramedic in “The Singing”, “The Law”, “The Father”, and “The Potion”. She is also a surgical assistant in “The Compilation” and “The Parking” and a physician in “The Love”. She is a nurse at a hospital in “The Test”.
  • No Name Given: Her name was not mentioned until "The Cage", six seasons in.
  • Sphere Eyes
  • Tuckerization: Named after writer Joe Markham.

    Miss Lucy Simian
"I have a surprise for you, children — a surprise test! Hahahaha!"

Voiced by Lewis MacLeod (season 1), Hugo Harold-Harrison (season 2 onward)
Debut: Early reel/Season 1, "The Responsible"
Last appearance: Season 6, "The Inquisition"

An impossibly ancient monkey who teaches at Elmore Junior High. Her and Principal Brown have a strong attraction to each other and barely bother to hide it.

  • Action Survivor: Of the joy virus in "The Joy". She also ends up being the Final Girl.
  • Apathetic Teacher: She admits in "The Butterfly" that she doesn't care about the children's education. You wouldn't either if you've been teaching since the Stone Age and had people attacking you for trying to teach subject matter considered subversive for its day, such as using the wheel and how to make fire.
  • Art Evolution: In Season 1, she was originally a rigid blocky character with a rather prominent shade of gray, and had a polka-dotted dress. In Season 2, she is given more color, a completely pink dress, a more rounded body, better computer animation, and some slightly noticeable Fan Disservice Jiggle Physics in her much more saggier boobs.
  • Bald of Evil: She's technically bald with a beard. Given she's a monkey, this wouldn't be especially notable if it weren't for it being pointed out to her in "The Boombox" by Principal Brown, showing she had not noticed before.
  • Barefoot Cartoon Animal: Wears a full dress but no shoes. Given her feet are realistically primate-like, she probably couldn't fit them in a regular pair of shoes.
  • Creepy Shadowed Undereyes: The skin around her eyes is heavily pigmented, presumably from age and a job she dislikes.
  • A Day in the Limelight: In "The Ape," "The Apology," "The Joy," and "The Grades."
  • Elderly Immortal: It's unknown if she's lived over 2,000,000 years because of actual immortality or a naturally long lifespan, but either way she looks quite old.
  • Everything's Better with Monkeys: Judging by her face and red bottom, she's some sort of mandrill or baboon. Despite clearly having a tail (not pictured here, but visible on the show), she's still often called an ape.
  • Fan Disservice: She has prominent, very saggy breasts.
  • Iconic Item: Her I ❤️ myself mug. She has a different mug in “The Singing” that said I ❤️ children which doesn’t make sense for Miss Simian to have.
  • Interspecies Romance: Her (an ape) and Principal Brown (a furry slug like creature)
  • It's All About Me: Her mug even says, "I Love Myself".
  • Jerkass to One: She's a grumpy, self-centered, and mean-spirited Sadist Teacher in general, but has a particular hatred for Gumball. In multiple episodes, she does her best to make his life a living hell, to the extent that in "The Grades," the very idea of having him out of her class leads her to do a Happy Dance.
  • Jerk with a Heart of Gold: Starting with "The Apology", she shows some of her more redeeming qualities.
  • Jerk with a Heart of Jerk: In "The Ape", she was a complete Jerkass to Nicole when she was young and would even use Gumball and Darwin just to get the Teacher Award. She was given a choice to either get the form with the signature on the car and fall out of the bridge or get off the car and redeem herself by staying friends with the Wattersons. She went "Nah!" to the latter and does the former, which leads to her fall.
  • Lean and Mean: She has a stick person-like body and is very mean and sadistic.
  • Meaningful Name: Lucy is also the nickname of an important hominid fossil.
  • Nominal Hero: In "The Joy", while she's doing it for purely selfish reasons (recognition, not liking the sight of so much happiness, etc.), she still tries to stop the spread of the titular G-Rated Zombie Apocalypse (even though she failed).
  • Not So Above It All: She's a Jerkass to end all Jerkasses...but she loves a good party and participates in crowd songs.
  • Official Couple: With Principal Brown.
  • Pet the Dog
    • She showed herself to not be completely heartless in "The Apology," as she gave up her attempts to frame or catch Gumball and Darwin when they attempted to actually get in trouble to save her dignity, her job and her relationship, and even attempted to clean up the mess they made to keep them out of trouble. Even when Gumball completely milks the fact that she's actually saying sorry for her behavior, she just chuckles. It's a surprisingly sweet moment for such a mean character.
    • In "The Meddler," Gumball mentions that Miss Simian thought the souffle he made for Home Ec was "divine," and gave him a B- for it. Considering how Miss Simian normally treats Gumball, that's quite a compliment.
    • In both "The Grades" and "The Pact", she is genuinely proud of Gumball when he gets good grades.
  • Sadist Teacher: Zig Zagged; she's almost always portrayed as grumpy, self-centered, and mean-spirited (unless she's with Principal Brown), but if this translates to actively picking on her students or Gumball specifically varies by episode.
  • Species Surname: "Simian" is a animal classification, although it's a bit wider than "species", as it includes apes and some monkeys.
  • Time Abyss: At least two million years old. She's so old, she taught during the Stone Age and her father's skeleton is currently on display at a natural history museum.

    Rockwell "Rocky" Robinson
"I work real hard! ...To do as little as possible. To be honest, I just lie down a lot. Ah! I can whistle with my butt!"

Voiced by Lewis MacLeod (Season 1), Hugo Harold-Harrison (Season 2), Simon Lipkin (Season 3 onward)
Debut: Early reel/Season 1, "The Debt"
Last appearance: Season 6, "The Inquisition"

Mr. and Mrs. Robinson's estranged son and a muppet creature like his parents (even though he's orange and they're blue). He works numerous non-teaching positions at Elmore Junior High (mostly the janitor, the cafeteria worker, and the bus driver).

  • A Day in the Limelight: In "The Boss," and "The Slide."
  • Like Father, Unlike Son: His parents are both very mean, grumpy, and serious, but Rocky himself is friendly, happy, and laid-back.
  • Mellow Fellow: Rocky is very calm and relaxed, generally only losing his cool when in danger or pain.
  • Metalhead: Rocky is a rock/metal fan who can provide a useful summary of different types of Heavy Metal. He fits the typical outfit and job, though he's much more friendly and laidback than the stereotype.
  • New Job as the Plot Demands: He fills pretty much every non-teaching, non-administrative job at school, usually the janitor, the cafeteria worker, and the bus driver. He is also a public bus driver in "The News."
  • Nice Guy: By his own admission, he likes everybody...except Miss Simian. But as he also points out, nobody likes Miss Simian.
  • Replacement Goldfish: Becomes a literal replacement goldfish for Darwin in "The Genius", who Nicole and Richard insist on calling "Rockwin".
  • "Well Done, Son!" Guy: Downplayed; in "The Boss," Rocky was willing to try a full-time office job so his father would no longer view him as a loser. By the end of the episode, Rocky decides to go back to his old job, despite what his dad thinks.
  • White Sheep: Rocky is much nicer than either of his parents.

    Mr. Steve Small
"Did I hear someone talk about alternative medicine?"

Voiced by Rupert Degas (season 1), Adam Long (season 2 onward)
Debut: Season 1, "The End"
Last appearance: Season 6, "The Inquisition"

A spacy, hippie cloud man who acts as Elmore Junior High's guidance counselor.

  • Alliterative Name: The first letters of his first and last name begin with an "S".
  • Characterization Marches On: In season one, Mr. Small's hippie-like tendencies weren't so pronounced and it was generally implied that he was much more mean, selfish, and cowardly than he let on. After that he seems to genuinely well-meaning but a complete doormat.
  • The Chew Toy: Him being injured as the result of the protagonist's actions (or anyone's actions, as seen in "The Fraud" when Principal Brown trampled him on his way to the school boiler room or when Jamie used him as the "S" in "Soree" on "The Girlfriend") has become a Running Gag since the end of season one.
  • Cloudcuckoolander: Even besides his deliberately "hippie" behavior, he's done strange things like writing an extremely long poem from the point of view of a shoe and thinking he's become one with the universe when he woke up in a room full of foam.
  • A Day in the Limelight: In "The Advice" and "The Stink."
  • Drill Sergeant Nasty: He's the judge for cheerleading tryout and is extremely serious about it for a team with about six members.
  • Everyone Has Standards: Principal Brown's attempt at being a cool kid in "The Fraud" was so disgusting that even Mr. Small smacked him with a lunch tray for it.
    Mr. Small: I'm sorry, Principal Brown, but you look like such a jerk that even a granola-crunching pacifist like me had to do something about it.
  • Fully Dressed Cartoon Animal: Though his appearance is hard to pin down, "The Lie" has him tear the fur off his face, revealing an ape-like face beneath.
  • G-Rated Stoner: Besides the usual hippie traits, there's a few moments implying he is indeed a stoner; drinking herbal tea that makes him black out, and in "The Void," he can bounce through the dimension of the world's mistakes because he's, "...used to feeling spaced out."
  • Hippie Teacher: A counselor variant. In the first season he was rather less patient than the typical example, but it's mostly played straight from the second season on. He even specifically refers to himself as this in "The Banana".
  • Mood-Swinger: Can go from an easy-going hippie to an enraged maniac in a snap.
  • New-Age Retro Hippie: Right down to the rainbow shirt, temporarily having a diet that was just sunlight, having a Hippie Van named Janis (possibly named after Janis Joplin), and even being a literal cloud.
  • Nothing but Skin and Bones: On a few occasions where he wears skin-tight or revealing clothes we can see his ribcage with a disturbing amount of detail. Justified as he starved himself on a diet of sunlight.
  • Large Ham:
    "Don't hate me because I'm beautiful!"
  • Leitmotif: In most of his appearances, a strum of a sitar plays in the first time he shows up in the episode.
  • Piss-Take Rap: Has one about honesty; while dressed in a bear costume.
  • Psycho Psychologist: Mr. Small is the school's counselor but really needs therapy more than any of his students. Especially in the first season, where he often showed himself to be violently bipolar. Seasons two and three had him more as spacey and paranoid.
  • Scare 'em Straight: Does this to Gumball and Darwin by showing them a grotesque diagram of the soul of a liar. This can also be applied to his sock puppet, the Silence Snake, whom he uses to scream at people and shock them into shutting up.
  • Small Role, Big Impact: Relatively speaking. If it weren't for him, then we would have never discovered The Void and Rob would not have been able to escape.
  • Speak of the Devil: A variation. Mentioning "alternative medicine" will immediately summon him, as seen in "The Allergy" and "The Silence".
  • Sphere Eyes
  • Straw Vegetarian: In "The Castle" he states he's only a vegetarian so he can rub his superiority over not eating meat in everyone's faces. In "The Pizza," it's revealed that in dire survival situations, he will turn to cannibalism, but only if the person about to be eaten hasn't had any antibiotics or anything that's not considered organic. Principal Brown in "The Fraud" mentions that he hates vegetarians because they're boring, always go shirtless, and have a smug superiority to them, which may or may not be how he really feels about Mr. Small. "The Potato" reveals that he still eats meat, secretly stashing it in his desk because he can't stop eating it.
  • Token Good Teammate: He's the only teacher that genuinely wants to teach kids.
  • Tuckerization: Named after a friend of the show's creator that also works in animation—the same one that made his character design, in fact.
  • Unmoving Plaid: His rainbow-patterned shirt played this straight a few times in season one. Every other time it's a downplayed example, because the pattern will rotate and shift as his body parts move, but does not change when his shirt gets folded.

    Superintendent Evil
"I've had enough of your cartoonish conduct. From here on, any abnormal behavior is to be corrected."

Played by Garrick Hagon
Debut: Season 6, "The Inquisition"
Last appearance: Season 6, "The Inquisition"

The human superintendent of Elmore Junior High, who shows up in the series finale to bring the school to district standards, furiously objecting to all its cartoon foolishness.


The school’s librarians. There are two of them, both trees. One is a brown tree, super old fashioned with static pattern to emphasize it, The other, more frequently seen one is a yellow tree. She can now be seen walking in the mall, the street, or driving her car. The latter has been in the show since the beginning, while the former was introduced in late season four.

Tropes shared by both:

Tropes shared only by the yellow Librarian:
Voiced by: Unknown (Season 2) Maria Teresa Creasey (Season 3 onwards)
Debut: Season 1, "The End"
Last appearance: Season 6, "The Decisions"

  • Berserk Button: DO NOT destroy the property of the library. Gumball was lucky that Alan took the blame for destroying a computer.
  • Black Bead Eyes: Her eyes may be this, with the green surrounding her black pupils either being the white of her eyes, or just the way the glasses make it look.
  • Catchphrase: Sh! She will shush anyone who is making noise in the library even if it’s because a bookcase fell on them.
  • Fully Dressed Cartoon Animal: She wears a dress and shoes.
  • Larynx Dissonance: In "The Saint", she has a masculine voice, which seems to be her regular voice in that episode and "The Choices", only.
  • Nerd Glasses: Her glasses are similar to Joan's.
  • No Indoor Voice: Normally she doesn't scream because she's in the library, but in "The Castle", she really enjoys the opportunity to scream loud.
  • New Job as the Plot Demands: In “The Helmet”, she works at the Rainbow Ractory, and in “The Choices”, she was Nicole’s karate teacher when she was about Gumball’s age.
  • Older Than They Look: She already looks old, but she was already at Elmore Junior High in a flashback of "The Gi", so it's possible she is even older than she appears and was already working there. Granted, it was Season One, after all.
  • The Quiet One: Due to being a librarian, she rarely speaks, and her only "line" in the first season was a shush. She only actually spoke in three episodes, and doesn't speak at all after season five.
  • You Gotta Have Blue Hair: She has turquoise leaves which serve as her hair.

Tropes shared by the brown librarian:
Voiced by: Unknown
Debut: Season 4, "The Blame"
Last appearance: Season 6, "The Inquisition"


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