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Characters / Captain Underpants Students of Jerome Horwitz

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The M.I.S.F.A.R.T.S.!

The children that attend the same school as George and Harold who were introduced in the animated series and movie. They each have their own quirky personalities that help round out the cast and make school life at Jerome Horwitz more interesting.

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     Tropes applying to the M.I.S.F.A.R.T.S. 
  • Canon Foreigner: With the exception of Jessica Gordon who was briefly shown in Book 6 with an alternate design, all of the kids were created for the Netflix series.
  • Color-Coded Characters: Each of the kids have their own main color to stand out amongst each other.
    • Erica-Teal.
    • Jessica-Hot Pink.
    • Sophie 1- Sky Blue.
    • Other Sophie-Light Green.
    • Gooch-Pink.
    • Dressy-Navy Blue.
    • Bo-Purple.
    • Stanley-Brown.
  • Designated Victim: Erica excluded, the children often find themselves being brainwashed or captured by a given Monster of the Week.
  • Five-Man Band: Each of the kids fill out a given role as part of M.I.S.F.A.R.T.S. and have their own codenames.
    • George and Harold share The Leader role.
    • While Erica is considered the "Thinks" of the group, her role is more in line with The Lancer.
    • Gooch and Dressy share the role of The Smart Guy; Gooch is given the role of the technologically-savvy "Codes" by process of elimination (despite his lack of actual tech skills), and Dressy is the creative "out of the box" thinker known as "Winks".
    • Thanks to his large size and super strength, Bo is The Big Guy of the group called "Thumps".
    • Jessica and the Sophies join the group sharing The Chick role. They would later be christened as "Haars" (Jessica), "Helps" (Sophie 1), and "Hurts" (Other Sophie).
    • And in Season 3, Stanley becomes the Sixth Ranger known as "Sweats".
  • Jerkass Ball: In "The Bizarre Blitzkrieg of the Bothersome Butt-erflies", Jessica and a majority of the group throw out George and Harold from the safety of the cafeteria to be devoured by the invading Butt-erflies.
  • Limited Wardrobe: Thanks to the show's low budget, you won't be seeing them in new outfits anytime soon. The only exceptions involve swimwear or winter gear.
  • Multinational Team: There's the biracial (her mother is African American and her father is Chinese) Erica Wang, the African-American Jessica Gordon, the Japanese Gooch, the caucasian Dressy Killman, Other Sophie, and Stanley Peets, and the Ambiguously Brown Bo Hweemuth and Sophie 1.
  • La Résistance: They take on this role whenever they're fighting against Krupp and/or Melvin's totalitarian schemes.
  • Ragtag Bunch of Misfits: An incredibly talented honors student, a shallow mean girl with her own Girl Posse, a weird kid with an unlucky streak, a free spirited hippie, a hulking loner, and a sweaty farmboy who literally grows his own produce. Along with their leaders who have a long history as professional pranksters, this group is capable of performing incredible feats when necessary.
  • True Companions: For the most part, the kids often look out for each other and are more than willing to help George and Harold when it comes to saving the day or just having fun.

     Erica Wang
The 'Strong Female Character' this show deserves.
Click here to see her "Superhero Form" 
Voiced by: Erica Luttrel

A cool and confident girl who is often involved in the adventures of George and Harold. Along with giving words of wisdom for the boys to follow, Erica is always three steps ahead of everyone on different occasions.

  • The Ace: Based on Melvin's account, she's one of the top students at Jerome Horwitz and is involved in various clubs along with being president of several of them. Based on George and Harold's account, they think of her as being on a whole different level of cool. They even describe her as Batman without the angry grumbling.
  • Afro Asskicker: She has her afro tied in a ponytail and has several moments of action throughout the series. The biggest example would be when she takes on the identity of Plungerina and proves to be great at kicking bad guy butt.
  • Ambiguous Situation: In episode 11, she somehow remembers (and keeps an object from) the "Krupp is a Corrupt Corporate Executive" timeline, hinting that there's more to her than we thought.
    • In the season 2 finale, it's implied that she knows so much thanks to receiving help from her future self.
  • Back-to-Back Badass: In "The Cunning Combat of the Covert Camoflush", she fights alongside Mr. Ree to stall the titular villain while the boys go to fetch Captain Underpants.
  • Badass Normal: As Plungerina. Even though she lacks Captain Underpants' powers, she can still kick major villain butt.
  • Boring, but Practical: In "Captain Underpants and the Confounding Concoction of the Crooked Combotato", her endings for the overall story are anticlimatic and lack the same zany energy that were displayed with her friends' story portions. One of her endings involved CU and the Combotato settling things in court.
  • Brutal Honesty: Erica's unafraid to voice her opinions when it comes to George and Harold's antics. She openly tells them that their writing of female characters is offensive and is infuriating the female demographic. She also tells them that they don't have what it takes to get away with suspension like her.
  • Catchphrase: When she isn’t pulling a Stealth Hi/Bye, she usually says “I’m out” whenever she leaves.
  • Cool Big Sis: She fills out this role to the other kids in the Bad Future timeline. She also has these moments when interacting with George and Harold.
  • The Cowl: In season 2, she becomes the Plumbing Hero: Plungerina to try her hand at super-heroism and proves to be very great at it. Although she decides to hang up her cowl when she realizes how dangerous being a superhero can be.
  • Dark Horse Victory: Pulls this in the season 2 finale; George, Harold, and Melvin are so preoccupied with the nanobots and each other that they don't realize that they're not the only students left in the dome, and as a result she steals victory from them at the last moment.
  • Expy: She brings to mind Lana Kane from Archer. Along with being hyper-competent black female characters with incredible talents, they also tend to serve as the Straight Woman to their wacky friends while making snarky remarks at their antics.
  • Fluffy Tamer: Season 3 depicts Erica being able to tame a variety of creatures. Such as a horse, a rhino and a barfalisk.
  • Future Badass: Apparently grows up to become the President of Earth and achieve world peace.
  • Good Counterpart: To Melvin. While Erica is one of the most intelligent kids at Jerome Horwitz who cares about her academic career, she has a good heart and is always looking out for her friends; unlike Melvin who only cares about himself, at least until the Season 2 finale. And while she does make critical remarks towards George and Harold regarding their shenanigans (just like Melvin), it usually comes out of genuine concern and the desire to help them learn from their mistakes (unlike Melvin who only criticizes just for the sake of feeling superior). This even extends to their future counterparts; both come back in time to assist their younger counterparts, but Future!Melvin prefers a more public approach and is doing so for purely selfish reasons, while Future!Erica stays behind the scenes and her interference could also change the whole world for the better.
  • Granola Girl: A zigzagged example. She's shown eating plenty of ice cream but she later tells the boys that she prefers gluten-free muffins.
  • Hammerspace: Where is she getting all that ice cream from?
  • Hidden Depths: She has a lovely singing voice and is a skilled aerial silk acrobat.
  • Honey Trap: A PG rated example. In season 3, episode 11, Erica takes advantage of Melvin's crush on her to distract him in order for George and Harold to pull of their escape plan.
  • The Leader: More often then not she'll lead the student body during times of crisis. In the bad timeline episode, George and Harold state that getting her to help will mean that everyone else will help too.
  • Mixed Ancestry: When we finally see her parents, it's shown that her mom is African-American and her dad is of Chinese descent.
  • Never Live It Down: In-Universe. She gets worked up when she remembers how her Uncle Frank overcooked a "perfectly good steak" during a family barbecue.
  • Not So Above It All: While she is presented as very mature for her age along with having the most common sense, she likes to have fun and goof off with her friends.
  • Only Sane Man: Out of the rest of the cast, she’s the most level-headed.
  • The Perfectionist: An amicable example. She's responsible with her academics and wouldn't do anything dangerous or stupid to jeopardize her current standing. She even admits that she intends to be a senator when she grows up.
  • The Smart Girl: She's hyper intelligent and knows more about a given situation then the others. Lampshaded when the boys hire her to be the "Thinks" for M.I.S.F.A.R.T.S.
  • Stealth Hi/Bye: She has a habit of popping in and out of scenes much to the confusion of the boys.
  • Tritagonist: Arguably the most prominent character in the animated series after the boys and Krupp/CU as she often plays a role in their adventures and is implied to be more than what she appears to be.
  • Troll: She likes to pull pranks on the boys, especially in episodes 4 and 9, claiming that the best way to make a prank is to 'prank a prankster'. She even admits in episode 9 that she was never suspended at all and just wanted to mess with them.
    • In season 3, she pretended to be the spokesperson of a foreign company so she can mess with Krupp.
  • Unwitting Instigator of Doom: She was the one who suggested to George and Harold that they go to Superintendent Vil Endenemys to try to get Mr. Krupp fired before he can expel them, not knowing that Vil Endenemys is actually Melvin Sneedly's future self, who not only fires Krupp, but expels George and Harold and then takes over the school with Melvin.
  • Women Are Wiser: She's one of the more level headed girls on the show and the boys often go to her for help during their misadventures.

     Jessica Gordon and the Sophies
Left to Right (Other Sophie, Jessica, Sophie 1)
Click here to see Jessica as "Messica Gorgon" 
Jessica voiced by: Dayci Brookshire

The popular girls of the school. Jessica and her crew often engage in their own girly affairs but will often become involved in the wild antics of the show.

Tropes applying to Jessica Gordon

  • Alpha Bitch: Downplayed, but she still has her moments, especially towards Other Sophie.
  • Ascended Extra: Jessica has more speaking lines in Season 2.
  • Beehive Hairdo: It's bigger than her entire body!
  • Catchphrase: "Sophie 1 (*insert compliment or positive gesture*), Other Sophie (*insert insult or heavy-handed task)".
  • The Chick: She and the Sophies fill this role when they join M.I.S.F.A.R.T.S.
  • Disappeared Dad: We have yet to see her dad on the show.
  • The Ditz: She definitely showed shades of this in Season 1, but it's much more noticeable in Season 2 where she, along with the other students, mistake a tree sloth for Other Sophie.
  • Entertainingly Wrong: When the school is attacked by Butt-erflies, she instantly accuses Melvin of being their creator. She bases this accusation on how he's the only one who's smart enough to create them in the first place (not to mention how earlier he attacked the students with an army of Croco-bats). She's in the wrong however since George and Harold were the ones who created the Butt-erflies.
  • Generation Xerox: We meet her mom in season 3, and the two of them look and act very similarly.
  • Hero of Another Story: In episode 10, after getting amnesia from the memory wipes, she and her crew become involved in protecting the whales. They end up ditching school to protect them from whale hunters and even get to ride with them in the end.
  • Hidden Depths: As season 3 shows, Jessica knows a lot about sailing thanks to her whale-saving experiences in season 1.
    • She also has exceptional talent when it comes to stage magic.
  • Improbable Hair Style: There's no way she can get her hair to be that big everyday and walk around like it's no big deal.
  • It Is Pronounced "Tro-PAY": She pronounces "hair" as "haar". This also extends to words that rhyme with hair, at least in some episodes. (Such as her song in Season 1, "Don't You Daar Touch My Haar".)
  • Kick the Dog: She once left Other Sophie all alone at her birthday party and took off with her presents.
  • The Leader: She takes on this role when the school is attacked by an angry swarm of Butt-erflies.
  • Lovable Alpha Bitch: She has her mean girl moments, especially towards Other Sophie, but she's still very likable and gets along greatly with the other kids. Although she did kick out George, Harold and Melvin when the Butt-erflies attacked the school and felt no remorse about it (of course the other kids are just as guilty as they went along with it).
  • Monster of the Week: Thanks to Melvin using her as a test subject for his new ray gun, Jessica turns into "Messica Gorgon" the Vimpire.
  • Our Vampires Are Different: As a "Vimpire", "Messica Gorgon" gains power by feeding off the joy of her victims while turning them into miserable messes.
  • Pink Means Feminine: Befitting her archetype, her main color is hot pink.
  • Race Lift: In the book series she was white. Here, she's African American.
  • Rapunzel Hair: Try to guess.
  • The Social Expert: Downplayed. Jessica's talent as the Haars for M.I.S.F.A.R.T.S. is to manipulate enemies into letting their guard down.
  • Valley Girl: Speaks in this tone of voice.
  • With Friends Like These...: She is NOT a good friend to Other Sophie at all. While she was the only one to show up at Other Sophie’s birthday party, she almost immediately left, taking all of the presents with her!

Tropes applying to the Sophies

  • Ambiguously Brown: Sophie 1 has tan skin and brown hair, suggesting that she could be Hispanic.
  • The Beastmaster: In Season 2, Other Sophie ends up becoming the Queen of the Croco-Bats after being left behind in Ecuador.
  • Beehive Hairdo: They wear their hair in a style that mimics Jessica's, though Sophie 1's attempt is more noticeable than Other Sophie's.
  • Break the Cutie: Poor Other Sophie can’t seem to catch a break.
  • Butt-Monkey: Other Sophie goes through quite a lot of misfortune; most of the times Jessica is to blame.
  • Cute Mute: They don't talk, but that doesn’t make them any less endearing. Apparently Jessica makes it a rule that Sophies aren't allowed to speak.
  • Disappeared Dad: Like Jessica, we have yet to see their dads.
  • Generation Xerox: They look very similar to their mothers, and Jessica's mother tries to order them around just like Jessica does to their daughters.
  • Girl Posse: Jessica is always shown in the company of Sophie 1 and Other Sophie.
  • My Friends... and Zoidberg: Jessica has blatant favoritism for Sophie 1 while treating Other Sophie like a put-upon servant.
  • One-Person Birthday Party: Other Sophie was virtually alone on her birthday with Jessica leaving with the presents she brought.
  • Redheads Are Uncool: Other Sophie has orange hair and is clearly the Butt-Monkey of the group.
  • Redhead In Green: Other Sophie has orange hair and wears a green dress.
  • Satellite Character: The Sophies only exist to serve as Jessica's clique. They haven't even spoken a single word in any of their appearances.
  • Ship Tease: In season 3, Bo and Other Sophie seem to be crushing on each other.
  • True Blue Femininity: Sophie 1 has a bright blue dress and is considered to be quite girly.
  • The Voiceless: In Season 3, we learn that Jessica doesn’t allow them to speak, which implies that they can talk.

     Steve "Gooch" Yamaguchi
Voiced by: Evan Kishiyama

An adorable boy who attracts misfortune to himself and is a good friend of George and Harold.

  • Achievements in Ignorance: Despite having no idea how to operate a DJ booth, Gooch pulls off a brilliant performance for the talent show in the season 3 finale.
  • Adorkable: He definitely has these moments.
  • Animals Hate Him: As part of his Butt-Monkey status, he's often in the jaws of a vicious animal.
  • Asian and Nerdy: Played with. He's of Japanese descent and pretty dorky, but he defies the stereotype since studying isn't his strength or something he enjoys. He's also not able to tell the difference between a phone and beehive.
  • Big Guy, Little Guy: He's the little guy to Bo's big guy.
  • Butt-Monkey: The most likely to suffer some sort of physical abuse in an episode.
  • Casual Danger Dialog: He's pretty nonchalant whenever he's faced with some sort of peril.
    Gooch (while being eaten by a python): Am I supposed to resist being eaten or let it happen? Because I'm flexible.
  • Cloud Cuckoo Lander: Tends to say and do some rather weird things. Examples include trying to use a beehive and a rabid squirrel as a cell phone or how he hoped that some nearby birds would accept him as one of their own.
  • The Cutie: In spite of his clumsiness and naivety, he’s very sweet.
  • Extreme Doormat: Most of the time the kids take advantage of him without his okay. This includes making him pretend to be Melvin or drawing on his body with permanent marker.
  • Gadgeteer Genius: Subverted. The boys give him the role as tech genius for M.I.S.F.A.R.T.S. by process of elimination and Gooch makes it constantly clear that he couldn't operate technology if his life depended on it.
  • Hero of Another Story: Gooch is shown to be involved in some peculiar situations while the boys are in the middle of their adventures.
  • Hidden Depths: He knows how to play the organ along with the pan flute.
    • In the Hack-O-Ween special, he admits that St. Patrick's Day is his favorite holiday.
  • Idiot Hair: He has a small one at the top of his head.
  • In-Series Nickname: His real name is Steve but everyone calls him "Gooch".
  • In Touch with His Feminine Side: He wears a pink collared shirt and isn't afraid to cry or express how he's feeling.
  • Irony: Despite his apparent lack of technological skills, Gooch dreams of being a professional DJ.
  • Keet: He's a very cheerful child.
  • Suspiciously Similar Substitute: Appearance-wise, Gooch bears a lot of similarities to Billy Doanbee-Ahiro, Harold's future husband if he were a child.
  • What the Hell, Hero?: He calls out the boys for going too far in representing Erica as a monster vampire for their comics.

     Dressy Killman
Voiced by: Dayci Brookshire

A mellow and cheerful young hippie girl and another friend of the boys.

     Bo Hweemuth
Baby boy. Baby.
Click here to see him as "Claylossus" 
Voiced by: Brennan Murray

A talented, good-hearted sculptor who wishes to have friends. He was initially alone because of all the rumors that painted him as a powerful but dangerous legend which made everyone afraid of him.

  • Actually Pretty Funny: Unlike other characters, he didn't mind being portrayed as a villain in George and Harold's comics.
  • Adorkable: Bo may not look like it, but he’s a kind hearted and lovable guy who loves sculpting and playing the banjo.
  • Ambiguously Brown: His skintone is more tan compared to the other Caucasian students.
  • Ascended Fanboy: He's a huge fan of Captain Underpants and was flattered when George and Harold made him the villain in their comic book. By the end of the episode, he now works with the boys in making Captain Underpants toys for the student body.
  • Balloon Belly: He gets one after he indulges on Stanley's potatoes.
  • The Big Guy: Because of Bo's large size, he's given the role of "Thumps" for the M.I.S.F.A.R.T.S.
  • Big Guy, Little Guy: He has this dynamic with Gooch whenever they're on screen together.
  • Blob Monster: His appearance as Claylossus.
  • Blinding Bangs: We don't know what his eyes look like thanks to these.
  • Face of a Thug: His gruff appearance makes him come off as a bully figure.
  • Fat Best Friend: He's significantly larger compared to the other kids and is a great friend in general.
  • Friend to All Living Things: At one point, Dressy tells George and Harold that she saw him save a ladybug from a spider's web.
  • Gentle Giant: He's quite a bit bigger than most of his classmates, but is a soft-hearted soul who wouldn't hurt a fly.
  • Great Way to Go: Before being sucked into a vortex, Bo confesses that he always imagined that his life would end on a game show.
  • Hidden Depths: Along with being a gifted sculptor, he knows how to play the banjo. It’s also hinted that he has some mechanical knowledge, as he helped Gooch fix a bicycle.
    • Season 3 reveals that he knows how to play the piano and is also a gifted ice sculptor.
    • The Halloween Special reveals that Bo is a huge fan of the titular holiday.
  • Hulk Speak: He speaks like this as Claylossus in order to sell his appearance as a monster.
  • I Just Want to Have Friends: He earnestly wishes for this and is touched when George and Harold still want to be friends with him even after his rampage as Claylossus. By his next appearance, he is now on friendlier terms with everyone at the school, including the protagonists.
  • In Touch with His Feminine Side: He wears a pink bathing cap with flowers whenever he goes swimming.
  • Misunderstood Loner with a Heart of Gold: Before befriending George and Harold, he spent most of his time in the school's abandoned ceramics studio, and there were enough rumors about him to make a whole horror movie franchise, but he's really just a big sweetie.
  • Monster of the Week: Was turned into the clay monster Claylossus against his will, courtesy of Melvin.
  • Nice Hat: He wears an orange toque for a hat.
  • Power High: Bo lets the thrill of paintball get to him, to the point that he calls himself a god. Though it's downplayed since he calms himself down and apologizes for his behavior.
  • Punny Name: His name is a play on the word "behemoth".
  • Ship Tease: In season three, he and Other Sophie seem to be crushing on each other.
  • Super Strength: He's capable of ripping apart a super thick rule book, an impossible feat that not even the more muscular and adult Major Messy could do.
  • Took a Level in Dumbass: Horribly invoked. Melvin purposefully reduced Bo's intelligence during his transformation as Claylossus in order to make him into an unstable monster.
  • Unwitting Pawn: Mr. Krupp used Bo's reputation as an unworldy bully in order to terrorize the other kids into submission as "scared children are good children".

     Stanley Peet
Voiced by: Jorge Diaz

A sweaty farm boy who is known for having plants growing out of his armpits.

  • Body Horror: Stanley has vegetables of all kinds growing out of his armpits. Apparently it's a common trait among his family.
  • Butt-Monkey: He suffers quite a lot when paired with Melvin during season 3.
  • Cloudcuckoolander's Minder: Downplayed, but he serves this to Melvin when the nerd gets carried away with his schemes.
  • Deep South: He has a slight Southern accent.
  • Demoted to Extra: He hardly has a presence in season 2. The most he gets is a few silent cameos. This is subverted by Season 3, as he has much more screen time and speaking parts.
  • Farm Boy: He and his family run a successful farm that specializes in bountiful produce.
  • Green Thumb: His armpits are capable of producing any type of fruit or vegetable in only a moment's notice.
  • Idiot Hair: He has two of them sticking out of his head.
  • Noodle Incident: At some point in his life, Stanley was part of a public fountain and his sweat was used to fill said fountain.
  • Performance Anxiety: Downplayed. In "Captain Underpants and the Confounding Concoction of the Crooked Combotato", he was worried about being able to tell a decent story when his turn came up.
  • You Gotta Have Blue Hair: His hair is dark green, and it’s as soaked in sweat as the rest of him.
  • Youthful Freckles: He has some on his cheeks.

The "Alfred" to Erica's "Batman"
Voiced by: ???

Erica's new personal assistant.

Voiced by: David Soren

A boy who is seen frequently throughout the movie hiding in his own locker.

  • Canon Foreigner: He's the only named minor student from the movie.
  • The Eeyore: He's depressed for a majority of the movie.
  • Running Gag: Throughout the movie, he locks himself in his locker to wallow in despair.
  • Small Role, Big Impact: Tommy's existence is to remind George and Harold, and the viewers, as to what can happen to the children of Jerome Horwitz who succumb to Krupp's totalitarian rule.
  • When She Smiles: He gives a very heartwarming smile when the atmosphere of the school changes for the better.
  • Youthful Freckles: Has some across his face.

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