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Yusuke "Bossun" Fujisaki
The founder and leader of the Sket-dan, nicknamed Bossun. When he puts on his goggles he is able to be in full concentration and saves the day. When talking about his special traits, the Sket-dan tends to break the fourth wall, saying how he has nothing unique for a shounen main character. He is an amazing artist and has a bunch of expressions that are easy to read. Sasuke is his twin brother.
Voiced by: Hiroyuki Yoshino
- The Ace: Bossun shows ridiculous talent for every hobby he picks up, including drawing, origami, figure-sculpting, celebrity impressions, board games, acting, standup comedy, and a dozen more. Unfortunately, most of these are absolutely useless to the badass leader figure he tries to be.
- Adaptation Dye-Job: His eyes were originally gold in the manga.
- Adorkable: He's not the most charismatic leader — both Switch and Himeko frequently point out his lack of charms, but his eagerness to help does draw people to him.
- Awesomeness by Analysis: When he gets serious, he "equips" his goggles to trigger his "Concentration Mode", which would allow him to solve riddles, equations, and even figure out the order of a card deck.
- Berserk Button: Don't you dare to put a finger on Himeko or even threatening her. Same goes to anyone of his friends.
- Boke and Tsukkomi Routine: Usually assists Himeko in the Straight Man routine, but he can play the idiot at the drop of a hat.
- Brats with Slingshots: He usually leaves the action parts to Himeko, but would use his slingshots whenever he needs to participate.
- Chaste Hero: The thought of being in a relationship never seem to occur to him. He's completely unaware of Himeko's feelings for him, and does not even realize that he appear to feel the same way about her. Eventually, he decided to leave Japan, despite first planning to go to the same university as Himeko, and bid her goodbye before she could even confess properly.
- Chronic Hero Syndrome: The entire purpose of the Sket Dan is to help people who are in need, and the group itself is created to help Himeko and Switch get over their Dark and Troubled Past.
- Crazy Jealous Guy: He gets incredibly irritated with Himeko getting too close to Kiri, and tried to challenge the guy to a duel.
- Forgotten First Meeting:
- He met Tsubaki a few years ago on their birthday, and helped rescue the latter from some bullies. Because Tsubaki looked very different back then, Bossun didn't recognize him. Tsubaki himself wasn't wearing his glasses during their meeting, so he didn't actually get to see Bossun's face at that time.
- He also bumped with Switch, before the incident of his brother's death, but didn't recognize him since he looks very different from his current appearance.
- Goggles Do Nothing: Averted; while the goggles themselves don't have any special properties, they give Bossun an amazing ability to concentrate and focus.
- Happily Adopted: He was adopted by his parents' best friend after they died in the day of his birth. He was shocked to find out his mother and sister are not blood-related to him, but he soon accepted that even if he's adopted, they are his family and he loves them.
- Hate at First Sight: His first impression of Tsubaki wasn't exactly the best. He barged into the group's clubroom and began lecturing them about the school rules, and rather rudely touched upon their Dark and Troubled Past, quickly getting Bossun's hate. Fortunately, their relationship gets better over time.
- Hereditary Hairstyle: He inherited his dad's hairstyle.
- The Hero: Being the leader of Sket Dan, he always make it his goal to "save" others from their unhappiness and fight any injustice that they encounter.
- Inelegant Blubbering: Which he attempts to mask as Manly Tears.
- Innocently Insensitive
- In-Series Nickname: "Bossun". He wanted to be originally called "BOSS" but it didn't stick with his personality.
- Iron Buttmonkey: Being rather insensitive and socially awkward, he often gets beaten up by others (including Himeko and Koma) for saying the wrong things.
- The Kirk: To Himeko's McCoy and Switch's Spock.
- Like Father, Like Son: According to Akane, Yusuke looks and acts as his father, even having the same motivations about helping people first.
- Long-Lost Relative: To Tsubaki.
- Love You and Everybody: In the final chapter, Himeko finally tells him she likes him and he tells her he likes her too... and the rest of their friends. This is what makes Himeko decide to give up on him.
- Messy Hair: Even his friends can't manage his hair to be combed or cut when it gets longer.
- Nice Hat: He wears a very distinctive red horned hat. Himeko gave it to him.
- Not So Different: He shares some similarities with Tsubaki, then it was revealed that they're twins.
- Oblivious to Love: He self-admits that he couldn't notice if someone falls in love with him. Not even when Himeko outright confesses to him he gets it right!
- Only Known by Their Nickname: He's mostly referred to as "Bossun", instead of "Yusuke".
- The Rival: With Tsubaki. The latter, at least initially, constantly tries to sabotage the Sket Dan for their perceived uselessness, while Bossun would constantly try to outdo him, and by extension the Student Council, to prove them wrong. Doubles as Sibling Rivalry when they are revealed to be twins.
- She Is Not My Girlfriend: To Himeko. Everyone (including their friends) think he has something else with her. And while they are not even dating, all agree that they act Like an Old Married Couple.
- Smarter Than You Look: Agata remarks him that he is quite pretty clever though it doesn't necessarily shows up normally.
- Straight Man: Though most of the time he acts as the Boke to Himeko's Straight Man.
- Strong Family Resemblance: He looks exactly like his dad.
- Unresolved Sexual Tension: With Himeko.
- Vitriolic Best Buds: With Himeko.
Hime "Himeko" Onizuka
Himeko is the violent "yanki"-girl with a soft spot for cute things. She is the fighter/brawn to the Sket-Dan. In her past she was called the "Legendary Delinquent Onihime" which became a symbol of "power and fear". Himeko seems to now have "calmed down" and leaving behind her days of being the Onihime and has become the second-chief to the Sket-Dan.
Voiced by: Ryoko Shiraishi
- Action Girl: She's pretty much the "muscle" for Sket Dan, and is responsible for fighting their enemies, when the situation arises.
- Anguished Declaration of Love: In the final chapter, she tearfully confesses to Bossun she likes him and begs him to come back to Japan soon. Bossun then tells her he likes her too and the rest of their friends. Already fed up with his Oblivious to Love nature and not willing to wait for him forever, she decides to give up on him.
- Badass Adorable
- Belligerent Sexual Tension: With Bossun.
- The Big Girl
- Collared by Fashion: Actually an armbrand, her collar was a gift from Bossun.
- Cuteness Proximity: While she can act like a demon with her hockey field cane, she can't resist to cuteness.
- Dark and Troubled Past: In her backstory, she was betrayed by her friend Arisa who set her up in a bully fight. That fight made her started to be known as 'Onihime' and many delinquents began to pick fights with her. Not so much later, she became isolated because of her friend's betrayal and because everyone was fearing her. After enrolling in Kaimei Academy, she became (slowly) friends with Bossun and he saved her from her loneliness.
- Death Glare: When she gets really angry, it's better to be miles away from her.
- Declaration of Protection: She said to her friend Arisa that she wanted to protect her when she thought she was being bullied. Unfortunately, Arisa took that as Himeko calling her weak and things didn't end well.
- Delinquent Hair: She dyed her hair blonde when she was in middle school to help to spread the name of the delinquent "Onihime". In the present day, she probably keeps that look out of habit.
- Double Standard: Abuse, Female on Male: Bossun ends up experiencing a world of pain whenever he gets on Himeko's nerves. So much, that EVEN he gets both hands broken.
- Extreme Omnivore: The Pelollipop Candy she loves have some odd flavors.
- Green-Eyed Monster: She becomes jealous when Bossun goes on a group date and doesn't like it when she sees him getting too friendly with Saaya.
- I Call It "Vera": Her field hockey canes' names are based on the brand and model names. They have been referred as: "Valkyrie", "Cyclone" and "Flagarance".
- Important Haircut: A zigzagging example. At first, Himeko gets her hair longer and dyes it as blond to spread the name of the "legendary delinquent Onihime". Once she officially becomes part of the Sket Dan, she cuts it to start fresh as she wants to help people and also wants to move on from the "Onihime".
- Interrupted Declaration of Love: When she gets conscious about her "I want to be more than friends" feelings for Bossun, she always get interrupted.
- During the Trouble Travel arc, and after being rescued by Bossun, they get interrupted by Switch, who was unconscious some moments before the confession happens.
- When realizing (and after being convinced by Switch) that she has little time to confess because their High School days are ending, Bossun interrupts her while proclaiming they are going to go to the same University... which she decides she could confess to him until then.
- Japanese Delinquents: She wasn't originally a yanki, but after the things around Arisa went bad, she got a reputation. Her blonde bleached hair didn't help either, especially during middle school.
- Kansai Regional Accent: Himeko, being from Osaka, often slips her accent in her speech and writing. However, she uses "atashi" rather than "uchi".
- The Lancer
- Loner-Turned-Friend: In her backstory.
- The McCoy: To Bossun's Kirk and Switch's Spock.
- Number Two: She's the first member of Sket Dan and is far more likely to get involved with Bossun's antics than Switch would be.
- Oblivious to Love: While not that much obvious as Bossun, it looks like everyone in Kaimei Academy suspects that there is too much to their friendship than just Vitriolic Best Buds, except her, of course. Heck, even Switch supports them!
- One of the Boys
- Red Baron: Her former delinquent nickname was "Onihime" (literally "Demon Princess").
- Red Oni, Blue Oni: Red to Switch's Blue.
- Say My Name: Often cries out Bossun's name whenever he experiences a world of hurt."BOSSUUUUUUN!!"
- Shout-Out: She shares her last name with another former delinquent who wanted to reform his life in wanting to help people. Adding some other points, Himeko also wants to pursue a teacher career.
- Straight Man: She amplifies her role as such Up to Eleven. And it's Serious Business.
- Team Chef: Her cooking ability is good, as shown in the Gachinko Vivage Battle Arc. She even is mistakenly chosen to participate in the first challenge: a Cooking Duel with the Student Council own Supreme Chef, Michiru Shinba.
- Team Mom: Much to her dismiss, Switch even teases her calling her as mom, at some moments when they end up acting as children.
- Terrible Artist: She recognizes that her artistic talents aren't as good as Bossun's, but also not that much better than Roman's.
- Tomboy with a Girly Streak: She notoriously evolves her tomboy personality when she starts being involved with the Sket Dan at the time she also ends up using more skirts and often leaves her field hockey cane aside.
- Trademark Favorite Food: The Pelollipop Candy, to a point where she knows their entire gallery of strange flavors.
- Tsundere: No, she doesn't like Bossun that way, he's only a good friend she's indebted to, don't pay attention to all the blushing or the way she freaks out when someone suggests there's something more between them.
- Turn the Other Cheek: She forgives Arisa for having betrayed her when they meet after years of certain events that triggered her 'Onihime' persona to surface.
- Unresolved Sexual Tension: With Bossun.
- Vitriolic Best Buds: With Bossun.
- Weapon of Choice: A Field Hockey Cane.
Kazuyoshi "Switch" Usui
Switch is the brains and secretary to the Sket-Dan. He is an otaku (no matter how many times he denies it) that has information about EVERYONE in Kaimei High. Switch appears to be the most serious of the group, but his fooling around says otherwise. Switch is tech-savvy to an extreme: his scientific bent puts him at odds with Yuuki Reiko, the devout occultist. Mysteriously, he prefers not to speak, instead communicating via a text-to-speech synthesizer in his laptop. Perhaps there is a hidden side to this eccentric young man...
Voiced by: Tomokazu Sugita, Aki Kanada (young)
- A-Team Firing: Has zero accuracy.
- Agent Scully: He is the Scully to Reiko Yuuki's Mulder. He believes that there are no supernatural beings, and thus, he holds his argument on the truth proven by science.
- Badass Normal: He has occasionally shown proficiency in easily taking down people who pose a threat.
- Berserk Button: A minor one, but Switch hates gaps in his data. Learning facts he didn't already know about people upsets him.
- Chick Magnet: Despite being a consummate weird otaku, he is considered to be pretty handsome and popular. He has never ended a Valentine’s Day empty handed.
- Childhood Friend Romance: He had a crush on his childhood friend, Sawa, and she liked him back. Unfortunately, he didn't know this until the day she moved away after his brother was killed.
- Crazy-Prepared: He usually has a remarkably impractical invention behind the sleeves, if necessary.
- Dark and Troubled Past: Switch is not what he looks like. That nickname was his brother's, Masafumi. Due to his jealousy towards him, he (unknowing it at the moment) led Sawa's stalker to him and Sawa, and ultimately killed him. The triggered guilt trip made Kazuyoshi to be a hikikomori and is the main reason he refuses to speak up until the present. Not long after, he becomes the moderator of "Death Fights", just to bring justice to Masafumi, revealing purposely that he was responsible of all of it. Bossun saves him and helps him to make the first step out of the situation and out of his home.
- Gadgeteer Genius: To a degree, his inventions can be amazingly innovative and cool, when necessary... but most of them are impractical and useless.
- Green-Eyed Monster: Tragically deconstructed, towards his little brother, Masafumi. He was jealous of his friendship with Sawa, and sadly, because of this huge misunderstanding of it being thought as something more than Like Brother and Sister, it led to his killing.
- Hikikomori: He was a shut in for months before joining the Sket Dan.
- I Let Gwen Stacy Die: He blames himself of Masafumi's death.
- It Amused Me: Switch isn't usually the source of peoples' problems, but it seems like half the time he only gets involved with helping people because their predicaments are a source of great entertainment. Which to be fair, they are.
- Important Haircut: He originally had longer hair and differently combed bangs, but he decided to change it. His current haircut is the only reminder and memory he has left of Masafumi's image on himself.
- Large Ham: Living as a shut-in and being 24/7 logged in to the internet media culture made him the way he is in the present. The default voice on his laptop often is toned to exaggerate when the moment calls it.
- Legacy Character: He isn't the first person to go by Switch. It originally was his brother's nickname, and he took it for himself after the original Switch died.
- Literally Loving Thy Neighbor: He had a crush on his next door neighbor Sawa, but she eventually moved away after his brother was killed.
- Loner-Turned-Friend: In his backstory.
- Magic Versus Science: He represents the "science" side to Reiko's "supernatural". They always discuss from the very little detail, to just annoy each other.
- Maybe Ever After: The ending of the series implies he might end up in a relationship with Momoka.
- My Sibling Will Live Through Me: As a punishment, he wanted to be the image of his brother at the start. He knows it is nonsense to become a Replacement Goldfish for him, but he still wants to hold on Masafumi's memory, if it's only for a little longer.
- Nerds Are Sexy
- Non-Action Guy: Pretty athletic when the situation calls for it (especially when playing Genesis), but he prefers to stand in the sidelines. This mostly annoys both Himeko and Bossun sometimes, because he is practically useless in certain situations (just as when it is raining), and also just because he relies on them as the most assertive action guys.
- Only Known by Their Nickname
- Otaku: He can deny that he is not one of them, but it is really evident he is caught up with his regular TV, videogames, and anime and manga references.
- Phrase Catcher: "That's our Switch!", after he uses an invention or information gathering skill to help.
- Purely Aesthetic Glasses: His sight wasn’t in fact bad to begin with; he just covered the frames with plastic instead of crystal lenses. However, (as it is revealed through the final chapters) being in front of the computer almost 24/7 in two years made his sight worse at the end.
- Red Oni, Blue Oni: Blue to Himeko's Red.
- Scary Shiny Glasses: He barely shows his eyes behind those glasses, and at some moments, you don’t know what he is really thinking behind them.
- Shipper on Deck: For Bossun and Himeko. And he admits he has been since the pretty beginning of the Sket Dan.
- The Smart Guy: No wonder he gets good grades, or that he taught Masafumi about Computer language, at the age of 15.
- The Spock: To Bossun's Kirk and Himeko's McCoy.
- The Stoic: His expression rarely changes despite what he types. He does not smile and sarcastically pointed it as it was "too embarrassing to do so" the first few days he returned to classes. He can't permit himself to express other emotions rather than surprise.
- Stoic Spectacles: He rarely expresses emotion with his eyes, as they are always hidden behind his glasses.
- Tall, Dark and Handsome
- The Voiceless: He communicates via text-to-speech with a laptop. The reason he still refuses to speak is because of the guilt over his brother's death and the fact that he still doesn't move on from this event. He eventually does start speaking again.
- Worthy Opponent: He enjoys an intellectual rivalry with Reiko, despite their different beliefs.
HousukeAn African Collard Scops Owl that was found injured by Saaya. He now resides in the club room as a pet of the Sket Dan.
The rivals of the Sket Dan, who uphold school rules and handle administrative duties, like the creation and funding of clubs. Within the Sket Dance world, there is a manga series about them, running in Shounen Jump, and a tie-in game on Vivage City, a cellular phone game company.
Soujirou AgataPresident of the Student Council from the 2009 period and a third year student. A very charismatic, laid-back individual, who seemingly does nothing as President. He entrusts most responsibilities to the Vice President, Sasuke Tsubaki. His IQ is around 160. Agata's ability to read and understand people makes him a cunning manipulator when necessary; it's also why he has the complete loyalty of Student Council members Sasuke and Daisy. His performance in the Gachinko Vivage Battle's "Pixie Garden" match with Bossun shows that he is a good strategist, who learns quickly, and is adept at lying. Despite his ruthlessness, and professions that he isn't a nice guy, he's against cheating to win - though he has a tendency to forget things he's said. About the only thing he takes seriously is the protection of his little sister Saaya: the thought of her finding a boyfriend puts Agata into paroxysms.
Voiced by: Tomokazu Seki
- Always Someone Better: He's the only person in the series who has consistently outwitted Bossun.
- Big Brother Instinct: Agata is very protective to his younger sister, Saaya, and only becomes serious when she is involved in a perceived danger.
- Brilliant, but Lazy: He is a genius with an IQ of 160, but prefers to delegate his student council work to his subordinates, while he himself spends the whole time sleeping.
- Bunny-Ears Lawyer: He tends to ignore rule violations (even shoving his paperwork onto his subordinates) but is a respectable leader when he decides to actually try.
- Ditzy Genius: He's extremely laidback, and frequently acts without thinking (e.g. making a bet and later forgetting about it). But despite his antics, he's still the top student in the school, and later managed to get a perfect score in his university entrance exam without actually studying.
- Manipulative Bastard: He has a manipulative side, which comes around if he actually proposes into it.
- My Sister Is Off-Limits!: He freaks out at the very notion that Saaya might be romantically involved with a boy, and he’s the reason why the “Saaya’s Fanclub” didn’t exist until he graduated.
- Signature Laugh: Kakaka!
- Student Council President: A role he assumed mostly in name only, until he stepped down to focus on his college entrance exams.
Sasuke TsubakiThe Hot-Blooded Vice President (eventually President) of the Student Council. Opinion among the student body is that Tsubaki takes his responsibilities way too seriously, refusing to tolerate even the slightest infractions in the name of making Kaimei a better school. He believes that the Sket-dan is useless and should be abolished, leading to conflicts with Bossun. The two consider each other rivals and his desire to defeat Bossun and the Sket-dan motivate him to do things he wouldn't otherwise do. He is a skilled fighter, and the boxing club at their school wanted him on their team. He also researches his opponents weaknesses and uses them to his advantage.
- Adorkable: He's rather clueless and is frequently unaware of the crazy hijinks that's going on around him, but his awkward innocence makes him pretty popular among girls.
- Awesomeness by Analysis: Similar to Bossun.
- Bare-Fisted Monk: Tsubaki prefers not to get into scuffles (it's against the rules, after all), but he packs a mean left cross. Coincidently, the Quest Dance AU chapters-saga, gave him the role of a Final Fantasy-esque Monk.
- Blind Without 'Em: He has bad sight and wears contact lenses. He once mistook the Sket Dan for the Student Council because he apparently couldn't tell the difference between their room's routes or their members' shadows.
- Calling Your Attacks: On exactly one occasion. It was awesome.
- Catch Phrase: "FOOL!"
- Chronic Hero Syndrome: He takes bullies very seriously, because he was once bullied back when he was in middle school and he couldn't stand for others, as well. It was thanks to a certain person that he was inspired to become stronger and manlier, and thought that joining the Student Council, would help as well.
- The Comically Serious: Compared to the rest of the Student Council, it is ridiculously unbelievable to what extremes he is completely serious. Though, he is often overshadowed by Kiri in this regard.
- Control Freak: Ever since he joined the Student Council, Tsubaki is very passionate to put some order at Kaimei to be extremely done by the rules.
- Death Glare
- Deuteragonist: Gets a lot of focus and just as much screentime and narrative focus as Bossun when it's revealed that he's Bossun's brother.
- Ditzy Genius: He gets spaced out on occasions, depending on the situation (such as when he dressed up as a girl to help Usami). Heck, he ends up thinking that a USB drive is a pencil lead.
- Forgotten First Meeting: He met Bossun when he was in middle school, the day of their then unknown shared birthday. Due to Tsubaki not wearing his glasses, he doesn’t recognize him as the person who saved him from some bullies.
- Happily Adopted: He was adopted by the doctor who delivered him and Bossun at the dying wish of his mother, as she didn't want to burden Akane with her twins. He figured out he was adopted on his own, but he loves his adoptive family.
- Hair-Trigger Temper
- Hereditary Hairstyle: As the fraternal twin of Bossun, he shares a similar hairstyle as their biological dad, Ryosuke. But then, he decided to cut it off.
- Important Haircut: He cut his hair after he decided he needed to be stronger, manlier and be able to stand up for others.
- Long-Lost Relative: Sasuke is Bossun's twin brother. They both were Separated at Birth.
- Messy Hair: If his hair wasn't cut, it would be as messy as Bossun's.
- Not So Different: Tsubaki shares a lot of similar aspects (some physically and some personality-wise) with Bossun, most of them foreshadowing that they were related to each other. And at the end, it turns out they were twins.
- Number Two: He was Agata's right hand when he was the president of the Student Council, as vice president, to the extents of handling him some of the council's paperwork and also handling some shady situations around (according to the School’s rules). He is the complete opposite of Agata, as he is way more passionate and Hot-Blooded about his job and responsibility.
- Perpetual Frowner
- The Rival: To Bossun.
- The Southpaw
- Student Council President: After Soujirou stepped down to focus on his college entrace exams. Until the time where he will step down to give up his role to the next president in charge.
- Stylistic Suck: Has absolutely no fashion sense, drawing skill, or imagination - sadly for him, all things Bossun excels at.
- Worthy Opponent: He taunts Shinzou during the Gachinko Vivage Battle, but retracts his words after an impressive display of courage.
Kikuno "Daisy" AsahinaThe Secretary of the Student Council from the 2009-2010 period, nicknamed "Daisy-chan." While obedient to Agata in her council duties, she has a vicious tongue and an overstock of Flowery Insults for most others. She has good aim and relentlessly attacks without hesitation. While Daisy seems calm and composed on the outside, she is quick to judge others, sometimes leading to fatal underestimations. She copes with failure poorly and takes solace in cuddling stuffed animals.
- Catch Phrase: "D.O.S", which usually stands for "dobude oborete shine" ("Drown in a gutter and die"), but often Daisy tends to use it for other phrases, too.
- Eye Poke: With impunity.
- Fun with Acronyms: Often abbreviates her put-downs this way, e.g. "D.O.S." = "dobude oborete shine" ("Drown in a gutter and die").
- Girls Love Stuffed Animals: Went into a Heroic B.S.O.D. because her mom threw away her ripped teddy bear.
- Jerk with a Heart of Gold
- Perpetual Frowner
- Tall, Dark and Snarky
Michiru ShinbaA Student Council Member responsible for General Affairs from the 2009 period, and a third-year Student. Popular (and a bit of a dandy), Michiru loves having his picture taken; he has a devoted fangirl club called the "Shinbals". He is an extremely good chef, considered "exceptional even among professionals". Michiru often plays the straight man opposite the quirks of the other student council and is also one of the few people who understands Agata's manipulative side.
- Bishōnen: He's known to be very good-looking, and is the most feminine-looking guy among the cast, although very few people would mistake him as a girl.
- Can't Hold His Liquor: He can't even stand the smell without getting drunk.
- The Casanova: Frequently smooth-talks pretty girls, and when he did a pretend break-up with scene Saya (It Makes Sense in Context), he acts like a playboy.
- Supreme Chef: According to Mimori, his cooking is better than the professional chefs her family has for hire.
Mimori UnyuuThe Treasurer of the Student Council from the 2009 period, who was later promoted to Vice-President after Tsubaki's ascension. She's the wealthy granddaughter of the Unyuu Group's leader. She is competent enough to know how to allocate hidden funds for the Student Council, but this is countered by her desires to spend frivolously. She believes money is a means to all ends, from love confessions to winning competitions. Despite this, she considers herself an advocate of proper conduct, and even lectures Tsubaki for his uncivilized actions. Outside of her financial duties, she provides refreshments and first aid supplies to the other Student Council members.
- Big Fancy House: Her mansion is already a sight to behold, but then we realize it's just the surface. Underneath the structure is an entire city where her servants and their servants live.
- Buxom Is Better
- The Ditz: She's an airhead who have no concept of monetary value and lacks common sense. She apparently believes that money makes a good "love letter".
- Fiction500: Her maids have maids.
- Gainaxing: Mostly in the anime series.
- Obliviously Beautiful: She has G-cup breasts, but she's so airheaded she doesn't realize the blushing they cause to males, especially to Tsubaki. The anime staff took a lot of advantage in turning her into a Ms. Fanservice.
- The Ojou: Obscenely rich. Her servants' servants have servants. Chapter 196 of the manga goes into detail.
- Parody Sue: Beautiful, sexy, rich, well-liked, and probably does well enough in school to be able to establish a position in the student council. Of course, her role is merely to provide comedic value with her lack of monetary sense.
- Perpetual Smiler
- Screw the Rules, I Have Money!: Seem to think that anything could be solved with money, and arbitrarily made renovations for Kaimei's female toilet that it ended up taking three times the original floorspace. Tsubaki had to scream at her about how that's against the school regulations.
- Spoiled Sweet: Her father appears to give her unlimited freedom with their wealth, but she mostly uses the money to do what she believes would make others happy (including the aforementioned toilet renovation).
- Uncle Pennybags: She doesn't hesitate to give her money to others.
Hani UsamiA first year student who takes over as Treasurer after Minori moves up to Vice-President. Until she attended high school, she grew up in a family of mostly women and attended only all-girls schools. As a result, she developed a strange split personality. Normally a stoic and withdrawn girl who refuses to associate with men, Usami's flirtatious alter-ego "Bunny" emerges when a male touches her (and reverts with a touch from a female). Usami is a capable student, but her odd condition makes it difficult for her to connect with people.
Voiced by: Yuka Iguchi
- Breast Expansion: Happens when Hani makes the conversion to Bunny. It's more pronounced in the anime, where her expanding breasts causes a button on her uniform to burst.
- Does Not Like Men: Zig-Zagged. As "Usami" she refuses to even talk to males but as "Bunny", she throws herself all over guys but dislikes women. She gets better of this situation little by little, later.
- Hair Decorations: Her bow. It changes position depending on which personality is in control.
- Sexier Alter Ego: As "Bunny", she's very flirtatious, even slutty, and would wear more revealing clothes.
- Split Personality
Kiri KatouTaking over General Affairs after Michiru takes his leave from the council, Kiri is a descendant of ninjas, and often referred to as the last ninja. He doesn't like to take orders from people, and takes down bad guys with his own brand of justice.
Voiced by: Ryota Ohsaka
- Alliterative Name
- The Comically Serious: Mostly when life threatens Tsubaki... just like the time of the mafia confused him and when he shrunked. He wasn't amused when the other members of the Student Council were in love with the cute Tsubaki.
- Dye Hard: His hair is dyed white.
- Hair Decorations
- Hidden Heart of Gold: Always a grump, taking seriously everything because trust issues, but as far as time went on, he proved he is more like this... though it is mostly in front of Tsubaki.
- Instant Awesome, Just Add Ninja
- Spear Counterpart: To Himeko, both were pretty much isolated in their Junior High days.
- Undying Loyalty: Declares this to Tsubaki after much Character Development.
Kaimei Academy Students
Roman SaotomeShe's a shoujo manga eccentric, who despite being incredibly Genre Savvy to that particular genre, isn't able to draw it too well herself. Roman is able to change the world around her into a shoujo manga-type setting also, with her Roman-fog. She is also very aware that they are all part of the cast in a manga/anime series, and constantly breaks the fourth wall.
- Breaking the Fourth Wall: Changes the whole perspective of the scene.
- Chewing the Scenery: Taken Up to Eleven, the time we get around what she was like during First Year... the narrator gave up with her at the end of the page.
- Cloud Cuckoo Lander
- The Ditz
- Genki Girl
- Gender-Blender Name: While her name was supposed to mean "romance" (see below), Roman is a masculine name in most countries.
- Meaningful Name: Her given name comes from the english word "Romance", while her family name is derived from Otome games.
- Improbable Weapon User: During the Ninja AU she used speech bubbles as shuriken and a shocking screen tone for electrical attacks.
- Nice Hat
- Reality Warper: Besides her tendency to Break The Fourth Wall, she can also create illusions, come out of Imagine Spots, and fast forward a Flashback.
- Terrible Artist: Though somehow she got a honourable mention in Betsumar (Betsuma, another Shueisha manga magazine)... and later became a regular mangaka!
- Wrong Genre Savvy: She literally sees everything around her as shoujo manga cliches.
Moe YabasawaA very overweight unattractive girl who seemingly doesn't care about her appearance and is a member of the cheer-leading club.
- Acrofatic: Is in the cheerleading squad and shown to be a fast runner.
- Big Fun
- Fan Disservice: The anime seems to have fun putting her into in the fanservicey scenes with the other girls.
- Fat Girl
- Girlish Pigtails
- Non-Standard Character Design: She looks completely different compared to the other girls.
- Special mention goes to her "3" shaped mouth
- Punny Name: 'Yabasawa' is a mixture of her 'Yabasu' tic, meaning 'Awful'.
- Verbal Tic: Yabasu
- Verbal Tic Name: Sort of.
Shinzou TakemitsuThe captain of the Kendo Club and a self-styled modern-day samurai despite his proficiency with cellphones and computers.
- Born in the Wrong Century: Played with. Shinzou dresses, speaks, and tries to live in the manner of a lifestyle that has no place in the modern world, but he's also fond of many modern technologies.
- The Captain: Of the Kendo Club.
- Japanese Pronouns: "sessha"
- Unusual Eyebrows
- Verbal Tic: de-gozaru
- Wrong Genre Savvy: Dresses and acts like a samurai from a period piece.
- Younger Than He Looks: He is 16 years old in the beginning of the series... but his face can be mistaken of a 30 year old adult, according to the Sket Dan.
Reiko YuukiA member of the Occult Research Club who is knowledgeable about spiritual, suspicious subjects.
- Agent Mulder: An avid believer of anything supernatural, including divination, occult, etc.
- Beautiful All Along: With some make up she's noted to actually be very pretty.
- Captain Ersatz: Of Sadako from The Ring, something which the cast is very much aware of.
- Eerie Pale-Skinned Brunette
- Nightmare Fetishist: Her love for horror movies, and her affinity with occult and curses definitely qualifies.
- The Rival: To Switch.
- Science VS Magic: The Supernatural to Switch's Science.
- Stringy-Haired Ghost Girl
Ayumi KuramotoA student who asks the Sket Dan for help in cheering Yagi up when the latter seems in dire straits. Also she takes Dante to Sket-Dan whenever he has a problem
Voiced by: Mai Aizawa
- Ms. Fanservice: Somehow managed to become this in the anime, with three bath scenes despite being an extra.
- Gets Lampshaded by Roman later in the manga.
- Satellite Character: Her role in the manga so far is only to bring her troubled friends to Sket Dan.
Kaoru YagiA member of the broadcasting club best known for her ability to maintain a straight face during any situation.
Voiced by: Kaori Nazuka
- Clear My Name: In her introduction chapter, she was accused of stealing a DVD containing test answers for the school exam.
- Cool Big Sis: To Tact, but it is a fact that she can become very... very angry if he is causing trouble.
- Creepy Monotone
- Emotionless Girl
- Nerves of Steel
- The Stoic: Is she able to express excitement over something!?
- Stoic Spectacles
- Perpetual Frowner
- Spock Speak
Kiyoshi "Dante" DateA Kaimei student and the vocalist for the visual kei band JardiN.
- Bishounen: Of course, since he's based on Gackt himself.
- Fingerless Gloves
- Freaky Fashion, Mild Mind
- Multicolored Hair
- Terse Talker: Speaks in one word/phrases, much to the frustration of Himeko and Bossun. Ayumi, however, doesn't have any trouble understanding him.
- Visual Kei: Huge fan of it, and expresses himself using related words. But since this is Sket Dance, he's meant to be a Affectionate Parody of it.
- You Gotta Have Purple Hair
Teppei SugiharaA student who transfers to Kaimei High School in the first episode.
- Back for the Finale: In the anime. He showed up a couple times after the first episode, then again during the Gintama crossover, and then disappeared until the last episode.
- Decoy Protagonist: The first episode was about him transfering to school.
- Ink-Suit Actor: A bit. It's the glasses,mostly....
- New Transfer Student
Mitsuru JougasakiA troublemaker of Kaimei High School.
Voiced by: Kentaro Ito (Drama CD), Nobuaki Kanemitsu (Anime)
- Accidental Misnaming: The Sket Dan is constantly getting his name wrong
- The Bully: In the first episode
- The Chew Toy
Chiaki TakahashiThe captain of Kaimei High School's softball team.
Voiced by: Airi Sakuno (Drama CD), Satomi Sato (Anime)
- Big Eater: She ate 7 kilos of ramen on top of a large box of chocolates and a plate of biscuits. As per the trope she does not show any ill effects or weight gain.
- Class Representative: Of the class the Sket Dan is in. Her strong sense of responsibility associated with it is part of the reason why she became Himeko's first friend in a long time.
- Cool Big Sis
- Everyone Calls Him "Barkeep": The Sket Dan often simply refer to her as "Captain".
- The Captain: Of the baseball team.
- Does Not Like Spam: Can't stomach eggs for the life of her.
- Girlish Pigtails
- Honorary True Companion: She can't join the Sket Dan because she's already in the softball team, but she's very good friends with them and was present when Bossun decided to form it.
- Missing Mom: She died.
- Vomit Indiscretion Shot: What would happen if she consumes an egg.
Takako ShimadaAn aspiring journalist who works on the school paper.
Voiced by Yuuka Nakatsukasa
- Motor Mouth: When she's gonna give an interview, prepare for this.
- School Newspaper Newshound: Is a member of the Newspaper Club.
- Youthful Freckles
Akitoshi Daimon/ EnigmanA member of the school's Quiz Society that challenges other clubs to Quiz Battles. His personality changes whenever he dons his Enigman mask.
Voiced by: Satoshi Hino
- Bishie Sparkle: A sparkling effect sometimes hover around him. Lampsaded by Himeko when he first appeared without a mask.Himeko: You even have that sparkly aura around you! What's this unfair difference in character design?!
- Game Show Host: Hosts quiz showdowns against other clubs with or without their consent. His "victims" so far were the Sket Dan and the student council
- Large Ham: Is loud and confident with his mask on, especially when he's hosting the quiz showdowns
- Mask of Power: It apparently causes him to change personality.
- Shrinking Violet: Becomes extremely shy whenever he takes of his mask.
- Split Personality
QuecchonEnigman's assistant during the Quiz Battles. Like Akitoshi, also has the personality change whenever she puts on her mask. While she's gentle and obedient with it on, she's rude and cruel with it off.
Voiced by: Eri Kitamura
- Bare Your Midriff: The costume she wears during Quiz Battles is very revealing
- Bitch in Sheep's Clothing
- Curtains Match the Window
- Lovely Assistant
- No Name Given: Everyone simply calls her Qucchon. Her real name is completely unknown
- Split Personality: A very rude and cruel girl, who becomes gentle and submissive when she dons on her mask
- Tsundere: Starts warming up to Enigman
- You Gotta Have Blue Hair: Green hair, in her case.
Saaya AgataAgata's younger sister who becomes a Sket Dan regular after her initial appearance. She has a crush on Bossun.
Voiced by: Kana Hanazawa
- Ascended Extra: Thanks to Adaptation Expansion in the anime.
- Cuteness Proximity
- Girlish Pigtails
- Moe: Invoked in-universe. "It's like she's stepped out of a dating sim game."
- Single Woman Seeks Good Man
- Tsundere: Lampshaded and parodied extensively.
- Zettai Ryouiki: Grade S
Koma MorishitaA shy and big first year student with uncontrollable strength.
Voiced by: Mamiko Noto
- Charles Atlas Superpower: Even more than Himeko! Played for Laughs. Her entire family shares this trait.
- Double Standard: Abuse, Female on Male: Her violent behaviour towards Bossun is always Played for Laughs
- Huge Schoolgirl: At 5'11", she is perhaps the largest student in Kaimei.
- Male Gaze: Her bust size is noted to be very large
- Misplaced Retribution: Has a tendency to get violent when embarrassed. Due to aforementioned Charles Atlas Superpower, this can have painful results (always for Bossun). The Sket Dan even come up with a name for it: the "Koma Cannon".
- No Guy Wants an Amazon: Believes this trope will kill her chance of dating. She's right.
- The Quiet One
- Statuesque Stunner: She easily towers over everyone and she has a banging, curvaceous body under that uniform.
- Shrinking Violet: Shy, soft-spoken and very insecure about her Super Strength
Minoru 'Cherry' SakuraA boy who despite his innocent appearance (and often could be mistaken by a girl) is a pervert and likes to guess about Kaimei's female students measures and other things about them with the disbanded Gesuling club.
- Chivalrous Pervert: It's the 'way of the gesu'. Cherry wouldn't lay a hand on a girl... but would say dirty jokes. And often imagines their measures.
- Covert Pervert: At first sight you couldn't guess Cherry is one of them! Especially if you're in the Student Council!
- Dirty Kid: The reason of why he started to be so gesu was because at 3rd grade, he found a bunch of erotic magazines in a storage room. It went down from there (though it's pretty normal?)...
- Dude Looks Like a Lady: His innocent appearance could be a factor in all this... not to mention, his entire name could be also pretty misleading too (Minoru is also a name for girls).
- Executive Meddling: Invoked. Kenta Shinohara often avoids fanservice in his manga, however, as lampshaded by Roman herself in his introductory chapter, his editor by the time (Naoki Kawashima) behested him to create a pervert character because of the lack of 'fanservice' in it. Guess why the Sket Dan often lamphades that something is going to be wrong with the chapter when Cherry appears.
- Meaningful Name: His nickname, Cherry, comes from 'cherry boy' a term that technically applies to a virgin.
- Verbal Tic: Especially when he is in his pervert mode, gesu! (Also often he likes to say dirty jokes). Or when he is pretty nervous in front of a girl he likes.
Shinpei TakemitsuShinzou's younger brother who became a delinquent in his middle school due to some issues with his brother, though he had mellowed down since those issues were resolved. Has a rivalry with Kiri Katou due to their Samurai vs. Ninja dynamics.
Voiced by: Tatsuhisa Suzuki
- Back-to-Back Badasses: Does this with Kiri in Chapter 194 when fighting a group of delinquents who had tried to scam Shinzou and Tsubaki.
- Big Brother Worship: Refers to Shinzou as his "honorable older brother"
- The Rival: To Kiri
Michinori MagataVice-president of the Boys' Manga Club and part of the "Sainon & Magarfunkel" mangaka duo with Nozomu Saikawa.
Voiced by: Akira Ishida
Jin KakiuchiA boy who falls in love with Himeko after she saves him from Japanese Delinquents.
Voiced by: Kazuyuki Okitsu
(Or according to Tact, Perverse, Offensive, Cheeky, Knavish, Egoistic, Team, regarding their attititude)The ''kouhai'' (to the Sket Dan) group of helping people in Kaimei High School. They have the same vision of helping people as the Sket Dan and they often try to replace them because they have better acceptation and much more requests. Though according to the rules of the high school, there shouldn't be two clubs with the same objective, the Student Council President Tsubaki accepted them because he hopes 'some day they will be doing a better job to help people with their abbilities' than the afformentioned Sket Dan.
Takuto "Tact" Yagi
- Jerkass: Unless his sister is around... Justified because she is REALLY scary when she is angry.
- Photographic Memory
Kinue "Silk" Azuma
- Magician Detective: Sort of. She does indeed know how to use magic, to some extents...
- Nice Hat
- Sticky Fingers
Hidesato "Smile" Sakasu
Kaimei Academy Teachers
Kunio YamanobeAn eccentric geography teacher who hires the Sket Dan to help him form a 'Genesis' club ('Genesis' being the name of a ball game taught to him by 'Master Won' similar to tennis, but involving a volleyball, and fishing nets), the idea was receded when Tsubaki explained that if the three were to start the 'Genesis' club, the Sket Dan would be disbanded. Later, Yamanobe taught them 'Hyperion', a part-chess part-DND board game which only male players seem to enjoy. He later becomes the advisor of his own games club.
Voiced by: Jun Konno (Drama CD), Nobuyuki Hiyama (Anime)
- Calvinball: whenever he makes an appearance expect him to make a weird game.
- Large Ham
- Sensei-chan: A rare male example.
Tetsuji "Chu-San" ChuumaA chemistry teacher and the homeroom teacher for class 2-C. He is the faculty sponsor for the Sket Dan, a fact he often uses to get them to do things for him. He frequently creates odd potions and explosives which oftentimes backfire.
Voiced by: Hayato Nakata (Drama CD), Joji Nakata (Anime)
- Absent-Minded Professor
- Education Through Pyrotechnics: Many of his experiments.
- Mad Scientist
- Official Couple: With Remi Misora. And they end getting married much time later in the series.
- Reed Richards Is Useless: Mentioned that some of his wacky inventions (like a Fountain of Youth drug and Invisibility potion) could win him the Nobel Prize (and even more once they become perfect), that is, if Sket Dance wasn't a Gag Series.
- The Stoic
Remi MisoraA clumsy, often scatter-brained, woman who took over as a teaching assistant at Kaimei High School when Sayama went on maternity leave. Originally was the star of a kids show, but her dream was always going to be a teacher.
Voiced by: Sakura Tange
- Beauty Mark
- The Ditz: It Runs in the Family
- Excited Kids' Show Host: Her original job. Probably into type 1, explaining her clumsiness.
- Hair Decorations
- Insistent Terminology: She likes to be called Onee-san (or the variant of Remi-Onee-san) by her students.
- Misplaced Kindergarten Teacher
- Official Couple: With Chuuma-sensei. They get married much time later in the series.
- Older Than She Looks: Apparently she's 27, but she looks as old as her students. Actually, some look even older than her.
Junichi "J-Son" SenseiA shop class teacher at Kaimei High School and the homeroom teacher for Class 2-B. Despite his frightening appearance, he has a fragile heart and gets nervous easily.
Voiced by: Jurota Kosugi
Momoka KibitsuShe's the leader of the yankee girls from Nikkou High School, and claimed herself as the "Onihime".She told her three followers to bring Himeko to the park near a train station to beat her up. She later then found out that the legendary "Onihime" was Himeko herself. After finding the truth, she became Himeko's follower and would only listen to her.Later on, she becomes a famous voice actor. And an actress. To even later to become an Idol Singer.
Voiced by: Marina Inoue
- Death Glare: Can pull a very intimidating one.
- Dye Hard: When her and Himeko were accidentally turned into 27 year olds at the end of chapter 36, they both had black hair. That means they both bleach their hair, as part of the typical Japanese delinquent look.
- Hair Decorations
- Heel–Face Turn: From a minor villainess to one of the Sket Dan's closest friends.
- Idol Singer
- Maybe Ever After: With Switch.
Akane FujisakiBossun's mother.
Voiced by: Akeno Watanabe
- Amicable Exes: Though we never see her ex husband, there seems no hard feelings about its failed relationship.
- Beauty Mark
- Bi the Way: Heavily implied in episode 48, where she flirts with Hime.
- Gainaxing: Not usually in her anime appearances, but in the anime intros.
- Older Than They Look: She still looks quite young to be a mother of a (adoptive) 17-year-old son and a 14-15-year-old daughter.
Rumi FujisakiBossun's sister. Though she frequently treats him like her personal servant, she also genuinely cares for him.
Voiced by: Yuki Kashigawi
- Adaptation Expansion: She appears later in the manga, but she and her mom has a lot of cameo roles early in the anime.
- Annoying Younger Sibling
- Cain and Abel and Seth: This is the way she feels towards Sasuke, given he is the twin brother of Bossun, and that is only because... they are not related to each other, yet she wants to try thinking in him as an extended family-adoptive-brother.
- Deadpan Snarker
- Hair Decorations
- Not Blood Siblings: With Bossun. She lampshades the trope to Switch, who dryly comments that the odds of anything happening are less than zero.
- School Newspaper Newshound: Sort of, after she gets integrated in the School Newspaper's club. Once she enters into Kaimei.
- Vocal Dissonance: Younger than Bossun, yet noticeably sounds older in the anime.
- Zettai Ryouiki
Masafumi UsuiSwitch's younger brother.
Voiced by: Tetsuya Kakihara
- Posthumous Character: He was killed due to his brother causing a misunderstanding with a Yandere that killed him thinking he was Sawa's boyfriend.
- Teen Genius: He was the one that developed the voice-synthetizer program that Switch would use later... well, if it wasn't for Kazuyoshi himself of having taught him about programming in the first place...
Sawa YamauchiSwitch and Masafumi's childhood friend.
Voiced by: Yumi Hara
- Beauty Mark
- Break the Cutie: After she sees Masafumi killed.
- Childhood Friend Romance: She and Switch/Kazuyoshi liked each other, but they were separated after she moved away because of Masafumi's death.
- The Ditz
- Genki Girl
- Girl Next Door
- Survivor Guilt: She blames herself for Masafumi's death, especially since his killer originally meant to attack her, but ended up killing Masafumi to make her suffer.
Arisa KanouHimeko's first friend in middle school after moving to Tokyo. She betrayed Himeko and is responsible of her becoming a delinquent.
Voiced by: Haruka Tomatsu
- Affectionate Nickname: Himeko calls her Aa-chan.
- Bitch in Sheep's Clothing
- Don't You Dare Pity Me!: When Himeko said she wanted to protect her from bullies, Arisa took it as Himeko calling her weak and pitying her so she set her up in a bully fight.
- Easily Forgiven
- Freudian Excuse: She was bullied and afraid that it would happen again she decided to become the leader of the bullies with her money.
- Girlish Pigtails
- I Control My Minions Through...: She controlled the school bullies with her money.
Suzu ChuumaChuu-san's daughter.
Voiced by: Yui Ogura
- Hair Decorations
- Mad Scientist's Beautiful Daughter
- Shipper on Deck: For her father and Remi Misora. And they ended officially married later.
- Wise Beyond Her Years
Ryosuke KirishimaBossun's father.
Voiced by: Hiroyuki Yoshino
- Butt Monkey
- Childhood Friend Romance: With Haru.
- Chronic Hero Syndrome
- Disappeared Dad: Bossun never met him and he was told his father abandoned his mother when she was pregnant. The truth is he died long ago saving a boy on the day of his sons' birth.
- Generation Xerox: He looks exactly like Bossun and Sasuke before the latter cut his hair.
- Happily Married: To Haru.
- Heroic Sacrifice: He died on the day of his sons' birth when he jumped in front of a car to protect a boy named Taisuke.
- Messy Hair
- Oblivious to Love: According to Akane.
- Parental Abandonment: As a baby, his parents deserted him and he was raised at an Orphanage of Love.
- Posthumous Character: He died long before the start of the series on the day of his sons' birth.
Haru KirishimaA close friend of Ryosuke and Akane.
Voiced by: Masumi Asano
- Childhood Friend Romance: With Ryosuke.
- Generation Xerox: Some of her features are more present on Sasuke, especially his eyelashes.
- Happily Married: To Ryosuke.
- Heartwarming Orphan
- Missing Mom: She died giving birth to her sons.
- Posthumous Character: She died long before the beginning of the series due to getting in a car accident before giving birth to her sons.
Voiced by: Aya Hisakawa