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- Big Damn Heroes: They show up in the end of the USJ Arc when Iida comes to find them and reveal that villains are attacking, their appearance is threatening enough for Shigaraki to cancel the attack on sight.
- Badass Teacher: All of them are or were professional heroes, so this is a given.
- A Day in the Limelight: They get a chance to show their individual powers and combat styles in the End of Term Tests Arc.
- Drama-Preserving Handicap: When fighting the students in the final exams, they put on devices that add half their body weight to their movements. Invoked, as it's pointed out that the fights would be over too quickly and the students couldn't be sufficiently graded if the teachers went up against them without a handicap. All Might double suffers with this one due to his weakening powers, and heroic build. He makes a particular point of noting how much they're slowing him down (and he's still insanely fast).
Toshinori Yagi — All Might
- See his page.
Shouta Aizawa — Eraserhead
Shouta Aizawa — Eraserhead
Voiced by: Junichi Suwabe (Japanese), Alex Organ (Season 1), Christopher Wehkamp (Season 2) (English)
"I'm sorry to tell you... that for the next three years... U.A. will run you through the wringer. That's "Plus Ultra". Use your strength to overcome it all. So bring it."
Homeroom teacher of Class 1-A. Presented as a bit of a Lazy Bum, he's really the hero Eraserhead, whose Quirk, "Erasure", can erase other people's Quirks just by looking at them, but with a condition; blinking dispels the effect of his Quirk, and using it gives him very dry eyes.
- 24-Hour Armor: Downplayed. Aizawa often skulks around in his hero outfit minus the eye-hiding goggles off-duty, which he uses whenever he's in combat, and is rarely seen wearing anything else. When he's turned in for the night, though, he wears pajamas like any other normal person would.
- Apathetic Teacher: He appears to be one at first. However, it's shown that he has very high standards for his students.
- Badass in Distress:
- During the battle at USJ, Aizawa is beaten to the ground by Noumu, having both of his arms broken and his face smashed into the ground, making him essentially a hostage. This still doesn't stop him from using his Quirk to erase Shigaraki's power when the villain tries to hurt on of his students though.
- During the raid on the Hassaikai's headquarters Aizawa is hit by Chronostasis' Quirk leaving him barely able to move for the duration of an hour. Afterwards, the yakuza keeps Aizawa blindfolded to prevent him from using his Quirk.
- Badass Teacher: Although his teaching methods can be rather questionable.
- Big Damn Heroes: A downplayed example. When Midoriya is about to be killed by Eri's uncontrollable Quirk, Aizawa uses his own Quirk to deactivate it, saving Midoriya and Eri.
- Brutal Honesty: Aizawa never pulls his punches with the truth, especially when it comes to pointing out flaws or naivete. He never does this out of malice. His main goal is to ensure that the students learn quickly they're entering a profession with some very harsh realities and need to take things seriously.
- Bunny-Ears Lawyer: Often teaches while still inside a sleeping bag. He is also willing to expel entire classes if he feels that they don't meet his very high standards. This is all overlooked thanks to U.A.'s own policy of academic freedom.
- Caltrops: Uses these in the Hero Practical Exam after capturing and suspending Shouto in the air and preventing him from escaping and landing safely.
- Charles Atlas Superpower: Not prominent, but he would have to have this to take on villains that can smash through walls and even level buildings with their Quirks as well as handle the exceptionally powerful and strong members of Class 1-A. He also survived a beating from Noumu, a monster that could go toe-to-toe with All Might, albeit with lasting consequences.
- Celebrity Is Overrated: Dislikes the attention of the media, believing that it gets in the way of his job as a hero. This results in him being very obscure to the general population.
- Childhood Friends: Aizawa and Present Mic have been friends since they were very young. A volume extra flashback shows that Mic is the one who named him Eraserhead.
- Cool Shades: Wears a pair while working as a hero, with the intent to keep his opponents from knowing who he's looking at. Particularly useful against a crowd.
- Combat Commentator: During the Sports Festival, he sits in the announcer's booth with Present Mic, although he lets Mic do most of the commentating and only chimes in when necessary.
- Combat Pragmatist: Since his Quirk only erases someone else's, Aizawa is completely fine using it at any time or way to win against his foes. Best shown in how, when fighting all the villains who attacked during the USJ arc, as he purposely waited to use it to give him advantages.
- The Comically Serious: Will take things like Nezu climbing out of his scarf with the straightest of faces.
- The Cowl: His general design is based on this, being an underground hero that avoids media attention and works as a Foil to All Might.
- Cruel to Be Kind: His way of teaching is that it's better to be mean and unfair to the students to help prepare them for the future of dealing with natural disasters and villains. He is more than willing to destroy a student's dream of being a hero if he finds they have no potential, but only because it would be wrong to give them false hope for the future or worse for them to be let into real world with no hope of surviving.
- Determinator: Shows up in the USJ arc, even after pushing his Quirk to the limit and taking a severe beating by Nomu, including having his head repeatedly slammed into concrete, he still manages to stare at Shigaraki, preventing him from using his quirk to kill Tsuyu.
- Deus Exit Machina: During the Internship arc. While not really the most powerful man in the room, Aizawa is absent or held captive by Chronostasis during Overhaul's fights with Mirio and Midoriya, as Aizawa knocking out Overhaul's Quirk would end the battles too quickly.
- Disappointed in You:
- Towards Class 1-A after the Hideout Raid: Out of the 20 students in the class, five of them decided to break all possible rules and save Bakugou by themselves, while 12 other students knew, nobody said a thing or stopped them. He said that he was more than willing to throw away all of them, but will not due to the circumstances and says it will take a long time until he is able to trust them again.
- He gives an even harsher verbal tongue-lashing to Midoriya and Bakugou when they get in an unsanctioned brawl. Aizawa still hasn't let Midoriya off the hook for this incident and warns him that his maverick tendencies will be punished formally if he does something like this again. As for Bakugou, falling behind the rest of the class with extracurricular hero training is punishment enough.
- The Eeyore: He's a massive buzzkill who dresses in shambles and constantly likes to remind everyone that life sucks. It's so bad that when high-energy Present Mic pops in to teach his soul-sucked class, there's no hope in trying to bring them back to life after he's reduced them to practically zombies. On his worst days, he even whips out a sleeping bag and curls up in a cocoon, too unmotivated to even teach.
- Foil: To All Might. All Might is the highest ranking hero in the world and uses his fame to inspire others while Eraserhead has a slovenly appearance and shuns the spotlight. All Might in his prime has incredible strength and stamina where Eraserhead has great skill, but prefers to strike quickly and with the element of surprise as he lacks the endurance for long, protracted battles. Lastly, All Might's power empowers him with the strength of many men, and his personality is to build up those who have the desire to do good. Eraserhead's Quirk robs others of their powers, and his personality is to tear down those who he feels show no potential.
- Glass Cannon: Aizawa is immensely fast and agile, boasting one of the highest speed rankings of most pro heroes, his battle outfit allows him to ensare and trap opponents from escaping, has strong martial arts abilities and can shut down other people's Quirks with his own. However, Aizawa has red eye, his evasive fighting style can leave him open to attacks when he isn't careful, and with his limited stamina, juggernauts such as the Noumu can defeat him in a few moves.
- Hypocritical Humor: He tends to tell people to cheer up after he eviscerated their jovial moods. And if other people are already mopey without his doing when he enters a room, he thinks they need to stop moping.
- I Lied:
- Proclaims that the one who ranks last in his exercises on the first day will be kicked out of the school. Then he says he was lying just to get more effort out of them. All Might calls him out on this, pointing out that in a previous year, he had expelled his entire class. Aizawa admits that he would have followed through if the one ranking last showed zero potential to be a hero. Since the one who did rank last, Midoriya, did show some potential in his eyes, he decided to pretend he had been lying.
- He takes great pleasure in telling the students that they will be subjected to "remedial hell" if they fail the end-of-license exams. Turns out he only meant the written portion of the exams. Those who failed the combat portion of the tests actually need the summer camp the most.
- Instant Knots: Can manipulate his capture tape so that it instantly wraps around an opponent.
- Jerkass Has a Point: His singling out of Midoriya during the ball throw might seem cruel, but he was right to point out that Midoriya had hardly any control over his quirk and that his inexperience in using it had the potential to put himself and others in danger.
- Jerk with a Heart of Gold:
Recovery Girl: When all's said and done, that man's a softie.
- He may act like the stern, standoffish teacher, but it's shown that he actually cares about his students and prioritizes their safety whenever villains enter the picture.
- During the simulated fight against Yaoyorozu and Todoroki, he allows Yaoyorozu to claim victory for the team instead of capitalizing on her mistake and defeating them, in order to allow Yaoyorozu to build up her destroyed confidence again:
- Kindhearted Cat Lover: Illegals shows him with a shopping bag full of cat food and cat care books, implying he's fond of them.
- Lazy Bum: Introduced sleeping on a floor in front of his classroom in a sleeping bag. He also often teaches while in said sleeping bag.
- Locked Out of the Loop: He is not one of the select few who knows the secret of All Might and Midoriya's Quirk. He has come to realize there is a connection between the two, but he doesn't know exactly what it is. And he is pretty suspicious when All Might volunteers to go break up the fight between Midoriya and Bakugou.
- Logical Weakness:
- Aizawa must keep his eyes open for his Quirk effect to persist. This means depriving him of sleep or forcing him to stare at a single person for an extended period of time will make his eyes tired and thus reduce the effectiveness of his Quirk. Blinding or binding up Aizawa's eyes makes it impossible for him to use his Quirk.
- His Quirk works on Emitter and Transformation Quirks, but not Mutation as they mutate the physical body structure and thus are permanently active.
- His power is obviously useless against a well trained fighter who doesn't rely on a Quirk. All he can do then is rely on his impressive martial arts skills and hope it's enough.
- If somebody sees who he's looking at, they can anticipate the use of Aizawa's Erasure. This is why Aizawa uses his one-way goggles to shield his line of sight from view as a workaround.
- Aizawa's hair stands on end when his Quirk is active, which allows for opponents to note when he's using it even if they can't say who he's using it on at the moment.
- Magical Eye: It's by looking at someone that he can erase Quirks.
- Meaningful Name: His given name has a character that means "erase".
- Messy Hair: His long disheveled hair adds to the Lazy Bum image.
- Obfuscating Stupidity: Seems like an offbeat fellow but can get just as serious when the time comes.
- Odd Friendship: He and Mic are good friends despite their clashing personalities, they actually have been friends ever since they were classmates at UA.
- One-Man Army: Surrounded by villains with a few that can't be stopped by his eraser power. Doesn't stop him in the slightest as he reveals he excels at hand to hand even without his Quirk. That said, he admits that he isn't really equipped to handle large groups in open combat for long and did eventually get overwhelmed.
- Only Sane Man: Aizawa consistently tackles problems that are not glamorous enough to get the attention of the other faculty. He notices that the entrance exam discriminates unfairly against quirks that aren't battle-oriented, and strives to prepare his students for harsh realities that All Might and co. tend to gloss over.
- Papa Wolf: Much like with All Might, attacking his students is a good way to end up in the hospital. He was also angered by the crowd during the fight between Uraraka and Bakugou, telling those that booed Bakugou for supposedly bullying Uraraka that they shouldn't be heroes anymore, because not only did they not notice Bakugou was playing it safe, but because none of them had noticed Uraraka had been setting up a big attack.
- Perma-Stubble: Aizawa has five-o-clock shadow going nonstop. When he is seen clean shaven after the summer training camp incident, it's a clear sign things have gotten bad.
- Power Incontinence: How his Power Nullifier works. It doesn't actually nullify the power itself; rather it nullifies the control over said power. Thus it works on Emitter and Transformation, but fails on Mutation Quirks.
- Power Nullifier: His Quirk allows him to erase other people's Quirks rendering them helpless. However, it only works on Emitter or Transformation types. Mutant types (i.e: Quirks that have changed a person's body) are immune to it.
- Red Oni, Blue Oni: The cool-headed blue to Present Mic's hot-blooded red. Because of his personality, he winds up being the Blue Oni to most people he's with. Lampshaded by himself:Aizawa: (about Ms. Joke) Why am I always surrounded by these annoying types...
- Renowned Selective Mentor: All Might mentions that he once expelled an entire class of students that didn't meet his standards. Midoriya was spared the same fate only after he managed to impress him at the last moment.
- Scarf of Asskicking: A multi-layered one around his neck which he uses to bind his opponents.
- Scars Are Forever: Of all the wounds he received during the battle at USJ, the one that has stuck around was a horizontal scar under his eye. Though he always wears long sleeves so we don't know what his arms look like after all that happened to them.
- Seriously Scruffy: Aizawa looks incredibly disheveled and miserable for the most part. However, if forced to go before the press, he will attempt some degree of maintenance with his looks... then go right back to his old self as soon as he doesn't need to look good for the cameras anymore.
- Sink-or-Swim Mentor: Will expel entire classes if they're not up to his standards, and is not above showing tough love to the students that do meet them. For example, he doesn't warn Class 1-A in advance that other hero schools will be out to get them during the license exams for their own self-development.
- Stern Teacher: At first, he seems to be an Apathetic Teacher, but it eventually comes to light that he just has high standards and very low opinions on those who don't meet them. That said, he does fall into complete apathy when it comes to subjects he considers irrelevant.
- The Tell: His Cool Shades inadvertently reveals what his Quirk's weakness is during the USJ Arc.
- Tough Love: His teaching style in a nutshell. He calls out failures, expects high performance, crushes naivete, and rarely gives praise. On the other hand, hard work is acknowledged, advice is given, eccentricity is accepted (to a point), emotional problems are understood, unfair outside critics will be silenced, and he will go to the bat to protect his students from danger. He can be harsh, but he does it only to help the students become strong enough to handle the unforgiving world of pro heroes as quickly as possible.
- Weak, but Skilled: Since his Quirk doesn't boost his abilities in any way, Aizawa combines it with hand to hand combat. It makes him lethally effective since he is extremely smart on when to use it. Fittingly enough, this contributes to his Foil nature with All Might. It also applies to his fighting style. He has to rely on his impressive speed and agility, preferring stealthy ambushes to straight up brawls, due to his slender build.
- Weaksauce Weakness: His Quirk would be even more useful if he didn't suffer from dry eye.
Hizashi Yamada — Present Mic
Hizashi Yamada — Present Mic
Voiced by: Hiroyuki Yoshino (Japanese), Sonny Strait (Season 1), David Trosko (Season 2) (English)
"The great hero Napoleon Bonaparte once said... 'True heroism consists in being superior to the ills of life.' Plus Ultra!! Break a leg, everyone!!"
A hero who doubles as a DJ. Usually plays the role of event announcer whenever one is required. He is also an English teacher.His Quirk is "Voice", which allows him to heighten the loudness of his voice for offensive purposes.
- Anime Hair: His hair is some sort of reverse pompadour that is three times bigger than his own head. This is actually only part of his hero attire, a sketch of him with casual clothes shows his hair is usually down and he is pretty normal looking.
- Badass Teacher: Besides being a professional hero, he also teaches at UA.
- Beware the Silly Ones: He might be the Life of the Party, but he's still a teacher at UA and has the skills to prove it. He also marks as 5/5 on the "Intelligence" stat and is the first one to point out that there's a traitor at UA and states his reasons to think so.
- Big Word Shout: Justified as his Quirk is making his own voice louder:Present Mic: YEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHHHHHHHHHH!
- Big "YES!": This is actually one of his attacks.
- Catchphrase: "Everybody Say Hey!"
- Combat Commentator: Provides running commentary on the events of the Sports Festival, including the one-on-one matchups that happen in the final stage.
- Cool Shades: Wears these as part of his hero attire, but not while in plainclothes.
- Dumbass DJ: He can be obnoxiously loud at times. Aizawa definitely thinks so anyway.
- Good Is Not Soft: Recovery Girl isn't a fan of his involvement in the end-of-term license exams, because he's one of the reasons why her services are needed most after the exams conclude. He screamed until he made Jirou's ears bleed.
- Gratuitous English: Sometimes spouts random sentences in English. Incidentally, he's also Class 1-A's English teacher.
- Large Ham Announcer: Of the entrance exams and the Sports Festival.
- Lull Destruction: An in-universe example. Mic cannot be bothered to sit still in silence. He will go absolutely berserk and do anything in his power to fill the void of silence.
- Make Me Wanna Shout: He can amplify the loudness of his own voice. When he was born, his cries ruptured the eardrums of his parents and the doctors. He also has a directional speaker mounted on his neck to control where his sound wave attacks go.
- No Indoor Voice: His Quirk is all about being loudmouthed, and he's a career DJ who thrives on being loud and lively. Except it doesn't translate well to the teaching atmosphere when he's irreverently loud for the occasion.
- Odd Friendship: He and Aizawa are good friends despite their clashing personalities. They actually have been friends ever since they were classmates at UA.
- Red Oni, Blue Oni: The hot-blooded red to Eraserhead's cool-headed blue.
- Slasher Smile: Sometimes he busts out a frightening smirk with dartboard eyes visible under the shades. Has his moments.◊
- Smarter Than You Look: Although he does not seem the brightest guy, he has a 5/5 Intelligence stat on the Official Character Book, which is above even Aizawa.
- Weaksauce Weakness: Bugs turn out to be a major weakness for him as he can't blow them away with his Quirk because sound can't travel underground, allowing burrowing bugs to sneak up on him.
- Why Did It Have to Be Snakes?: He's deathly afraid of bugs. This is exploited by Jirou and Kouda when they are pitted against him for the finals.
Chiyo Shuuzenji — Recovery Girl
Chiyo Shuuzenji — Recovery Girl
Voiced by: Etsuko Kozakura (Japanese), Juli Erickson (Season 1), Luci Christian (Season 2) (English)
"All right, this poor boy should be sorted now. Are there any more injured to take care of?"
The resident nurse of the school. Her Quirk, "Recovery", speeds up the recovery of injuries of her patients.
- Berserk Button: If a person engages in Self-Harm through abuse of their Quirk, Recovery Girl will eventually refuse to treat them unless it means that person will die.
- Fan Disservice: Any one of the kisses she gives to heal wounds qualifies. Both the manga and the anime portray the first instance she does this as revolting enough to warrant an action splash graphic.
- Good Is Not Soft: She gives youngsters candy but gives anyone who abuses their own body hell.
- Healing Hands: Played with, as her power allows her to magnify someone's own regenerative process.
- Intimate Healing: Her Quirk manifests through smooches.
- Meaningful Name: Her name contains the characters for "discipline", "provide", "healing" and "virtuous". All of which can connect to her personality and Quirk. Her personal name, "Chiyo," sounds like chiyu (治癒), meaning "healing" (and which also explains her Quirk working via a Magic Kiss, or chuu). "Shuuzen" in her family name is also homophonous with "repair" (修繕).
- The Medic: She's the school nurse with the power to heal. You have to expect she's this.
- Miniature Senior Citizens: One of the oldest members of the school and naturally short in stature.
- Secret Keeper: She is one of the few people who knows everything about All Might's Quirk. This is because she was one of the people who helped him through his long and troubled recovery after All For One brutally maimed him, and not even her power was enough to completely fix him back up, because some of his organs were outright gone and she can't recreate lost body parts - that's a totally different Quirk entirely.
- Team Mom: As the oldest member of the faculty at U.A., she seems to have a tendency of behaving very motherly both towards her patients and towards All Might sometimes, reprimanding his bad behavior in the manner of a mother talking to her child.
- What the Hell, Hero?:
- Delivers one to All Might when Midoriya's drive to meet his expectations results in three limbs so broken they can't be healed with her Quirk the normal way, requiring surgery.
- Does it again after the training session in which Deku and Bakugou are brutally beaten by All Might's overwhelming strength, saying that Deku's lower back was within a hair's breadth of snapping beyond all recovery.
Anakuro Hirooki — Thirteen
Anakuro Hirooki — Thirteen
Voiced by: Inuko Inuyama (Japanese), Morgan Berry (English)
"Your powers are not meant to inflict harm. I hope that you leave here today with the understanding that you're meant to help people."
Nicknamed "Space Hero No. 13", they work as a teacher that overlooks the rescue exercises. A person in a space suit who is known for working with disaster relief. Their Quirk is "Black Hole".
- All-Loving Hero: There's a reason they're the guy teaching kids how to use their power for good - they outright believe ANY power can be used to save lives, and that saving lives is their natural use.
- Ambiguous Gender: Horikoshi stated to not know what is beneath their space suit, just that they are human.
- Ambiguously Human: It's unknown how they look under that space suit. When they nearly die due to Kurogiri, the audience only sees the empty part of the suit and nothing more. Even Word of God wonders about it.
- Bad Powers, Good People: Through their quirk, they can create black holes that can disintegrate matter at the atomic level, easily capable of killing people if they're drawn close enough. However 13 is a All-Loving Hero who cares deeply for the students and uses their quirk exclusively for disaster relief and sometimes the capturing of villains. They also avoid combat because they note this Quirk is one that can easily kill if harnessed improperly.
- Dark Is Not Evil: A superhero teacher who has the ability to make black holes.
- Hoist by His Own Petard: Kurogiri used their Warp Gates to loop Thirteen into one of their own Black Holes, badly rending them apart. Thirteen survived, but they were laid up in the hospital for quite some time.
- Meaningful Name:
- Their name means "Black Hole" and "Middle Space" both referring to them being a Space hero and their quirk.
- Their hero name, 13 is a reference to the Apollo 13 mission, which popularized the phrase "Houston, we have a problem".
- Powered Armor: Their spacesuit is designed to keep their black holes under control - for example, their fingers have little caps they can flip up and use the gravity of the black holes they produce inside to vacuum-clean debris and pull things toward them slowly.
- Power of the Void: Uses their black holes for clean up during rescue missions, but mentions that they have to keep control over it so that it doesn't kill the people they're trying to rescue. This is because their black holes pretty much disintegrate everything it sucks to a molecular level.
- Unrealistic Black Hole: Their Quirk can essentially be described as black hole fingers.
- Unskilled, but Strong: Kurogiri pretty much says this; being that No. 13's Quirk is very dangerous, but is at a disadvantage without experience fighting villains.
Ken Ishiyama — Cementoss
Ken Ishiyama — Cementoss
Voiced by: Kenta Okuma (Japanese), Chris Rager (English)
"Listen. When it comes to fighting... It's all about making use of your particular strengths.
A being who can control any form of cement through his Quirk, "Cement". Also a Modern Literature teacher.
- Ambiguously Human: There's a reason he's described as a "being".
- Badass Teacher: He's also the Modern Literature teacher.
- Barrier Warrior: A more blunt example than most, one of the most common uses of his quirk is to raise barriers from cement.
- Curb-Stomp Battle: Gives an absolutely one-sided one to Satou and Kirishima during the End of Term Tests Arc.
- Dishing Out Dirt: Anything with concrete he can control.
- Home Field Advantage: Very powerful in urban settings thanks to the abundance of concrete.
- Irony: Despite being blocky, official material states that he likes round things.
- Logical Weakness: Doesn't fare well in areas that have no concrete for him to manipulate, such as forests and such.
- Meaningful Name: His name means "stiff, firm", like cement, referencing to his Quirk.
- The Knights Who Say "Squee!": He is a Hero and a big fan of All Might.
- Secret Keeper: In the know about All Might's condition.
- Wake-Up Call Boss: In-Universe. During the End of Term Tests Arc, Cementoss, due to being the first teacher to face a pair of students in the anime, demonstrates to the other students that, despite giving them some chance of fighting them, the teachers will not mess around.
Nemuri Kayama — Midnight
Nemuri Kayama — Midnight
Voiced by: Akeno Watanabe (Japanese), Elizabeth Maxwell (English)
"With so much time left, I thought I'd park myself at the gate... but, well, taking that approach is just no fun at all... Because watching you run and shriek like a baby... makes the sadist in me ache for a chance to play."
A heroine who has an S&M theme. She refs the the Sports Festival and teaches Modern Hero Art History. Her Quirk is "Somnambulist", which allows her to release a sleep-inducing fragrance from her body.
- Ask a Stupid Question...: During the Tournament arc, she judges the fight between Todoroki and Sero in which the former quickly ends it by freezing half the arena and Sero along with it. Despite being halfway frozen herself, she asks Sero:Midnight: Be honest Sero, can you move?Sero: (halfway encased in ice) A-Are you kidding?
- Badass Teacher: She teaches Modern Hero Art History, which entails aesthetic features of superhero work, and can easily incapacitate enemies with her quirk.
- Berserk Button:
- Being interrupted while she's talking.
- Making fun of her age.
- Bond Villain Stupidity: Had she stayed at the escape gate, she could've run down the clock and failed Sero and Mineta from the exam. However, her sadistic nature led to her pursuing Mineta, only to get pinned down by his Quirk far away from the gate. To her credit though she was taking it somewhat easy on both Mineta and Sero, making it justified why she wouldn't be so willing to knock him out.
- Chained by Fashion: Has two handcuffs on her wrists.
- Christmas Cake: In an omake, Mount Lady accuses her of being this by making a catty comment about her age.note
- Cool Teacher: Midnight tends to be very supportive of the students, as demonstrated with Class 1-A's naming assignments. She praises almost all the names, the exceptions being Ashido and Bakugou's.
- Does This Remind You of Anything?: To go with her S&M theme, her Quirk being Knockout Gas is reminiscent of Chloroform.
- Domino Mask: She wears a red one.
- Double Entendre: A good chunk of what comes out of her mouth is this. Sometimes she even does it subconsciously, like her explanation about wanting to be a teacher to help students work through their teenage angst in Illegals:Midnight: (while making a very suggestive squeezing hand gesture) Do I have to spell it out for you? There's plenty of kids out there who get stricken by puberty and go on to become villains and criminals because they weren't able to "let it all out"! And that's where I come in! I'll squeeze them all dry!
- Dressed Like a Dominatrix: She wears a black breastless leotard over a white bodysuit to contain her natural sleeping gas powers, along with thigh-high stockings and black knee boots. She also uses a whip as a weapon. It's later revealed that her original outfit was even worse, being effectively a braless corset leotard with a weapon harness that just happened to cover around a fifth of her breasts. This directly lead to the "Regulations for Exposed Skin in Costumes" bill, outlawing such outfits.
- Duel Boss: The final exams are supposed to be two students against one teacher. However, Midnight knocks out Sero in three seconds flat, forcing Mineta to face her down all alone.
- Hidden Depths:
- Illegals reveals that she wanted to become a teacher to help the youth, since she believes many criminals and villains are born of teenagers who couldn't let it all out when they were young. It's also implied that she likes to act as a counselor for the students.
- In an omake, she goes into a detailed and logical explanation for the skimpy clothing, in that due to the nature of some Quirks, the clothes hinders them and the sexiness for some became a necessity. Unfortunately, Mount Lady provokes her before she can finish.
- Hot-Blooded: She loves the passionate youth, readily agreeing to bend the rules of the Sports Festival when things are done out of passion, such as letting Ojiro and Shoda drop out of the combat portion when they feel their pride won't let them compete without properly earning the spots or letting Iida use Mei's inventions. Additionally, she fangirls over the manly Defeat Means Friendship that happened during Kirishima and Tetsutetsu's fight and gets pumped up whenever it seems that a fight is about to reach its peak.
- Hot Teacher: The 18+ hero has earned its name and reputation as a sexy heroine and is a teacher at UA. In Illegals, she more of the traditional pedagogical hottie, as she dresses in secretarial clothes.
- Knockout Gas: Her Quirk. It releases this from her skin, which is why so much of it is covered.
- Male Gaze: She's the subject of this when she walks around.
- Meaningful Name: Her real name is pun on sleep. Her hero name actually has two different meanings, referring to midnight as in bedtime, and midnight as in her after dark nature as a hero catering to a more adult crowd.
- Ms. Fanservice: Just look at her costume. Even All Might is careful not to look at her when she is standing close to him.
- Nude-Colored Clothes: She wears tights all over her body as a form of censorship, which is more obvious in the anime, where they are white instead of skin color.
- Sadist: Watching someone runs away in terror gets her heart throbbing.
- Sadist Teacher: Zigzagged. While she does have sadistic tendencies, she genuinely wants to help students and guide them towards their goals.
- Shameless Fanservice Girl: Has no problem wearing BDSM gear during televised events. In fact, her first costume was so revealing that a law was passed in response, requiring hero costumes to cover a certain amount of skin.
- Stripperific: Her Hero outfit invokes this. In order to use her Quirk, she has to have her skin exposed. This means that exposing as much skin as possible is necessary for her to be effective. Her original outfit from when she was first starting out was an actual example, so much so that it provoked actual legislation concerning skimpy hero outfits.
- Weak, but Skilled: While her power is a 2/5 as stated by the Character Book, she more than makes up for it with an outstanding 5/5 in Technique. Her Quirk is not good for attacking, but it is strategically invaluable and has shown no apparent weaknesses yet.
- Whip It Good: As expected of a S&M-themed hero.
Voiced by: Tōru Nara (Japanese), David Wald (English)
A sharp-shooting hero, has the quirk Homing, which allows him to control the trajectory of his bullets.
- Accidental Pervert: Accidentally touches Hagakure's breasts after he's beaten in the end-of-term tests.
- Big Damn Heroes: Announces the presence of the arriving pro heroes to the invading villains of the training grounds by hitting a good number of them with his aiming skills. He even nearly severely wounds Shigaraki before Black Mist warps him out of there.
- Brought to You by the Letter "S": His hat has a big "S" on it, referring to his name.
- Cool Mask: Wears a stylish gas mask.
- Expy: A cowboy-themed sharpshooter with the power to control the trajectory of his bullets, similar to Hol Horse from JoJo's Bizarre Adventure.
- The Gunslinger: His Weapon of Choice is a gun, fitting his cowboy theme.
- Hand Cannon: Wields an oversized, double-cylindered pistol.
- Improbable Aiming Skills: Justified by his Quirk, Homing, which allows him to alter the trajectory of his bullets, but he is still doing so while they're nothing more than a spec in his field of vision or while they're behind obstacles in such a way that he barely has any sight on his targets at all.
- Retool: Of the hero Positive from the original My Hero one-shot.
- Superhero Packing Heat: As expected of a hero sharpshooter.
- Too Many Belts: Wears at least 3 or 4 of them under his poncho. However, each one serves a purpose, securing his holsters and body armor in place.
- Weak, but Skilled: According to the statbook, he's average in everything but technique which is ranked S.
"Less than ten minutes remaining... can you keep this up? I'm looking for... heroes who rise up and break through in the face of adversity."
A hero with a ghostly theme and U.A's Mathematics teacher. His Quirk, "Clones", allows him to create copies of himself out of ectoplasm coming out of his mouth.
- Attack of the 50-Foot Whatever: He can create a huge copy of himself.
- Badass Longcoat: He wears a heavy trenchcoat in costume and lets the collar stick up like the mantle of a cape. This is not to be confused with a Coat Cape where someone drapes their coat on their shoulders, because Ectoplasm wears his over his entire body.
- Badass Teacher: Evidently, he's a math teacher.
- Dark Is Not Evil: Very creepy-looking, but he's a hero and a teacher.
- Doppelgänger Attack: How he uses the copies he makes — multiple copies can attack the enemy at once, but they only take a hit or two to take down.
- Extremity Extremist: Exclusively uses his legs during combat, leaving his arms tucked underneath his trenchcoat.
- Handicapped Badass: He lost his leg in a past battle against a villain, and now uses two prostheses: a normal one for everyday civilian life and a lightweight one for heroism.
- Hidden Depths: He apparently really likes karaoke.
- Mystical High Collar: The lapels of his coat are very flared and upturned, and his powers stem from what is deemed ectoplasm, which is usually seen as the supernatural slime of ghosts.
- Nightmare Face: He looks scary even without his mask. That Slasher Smile isn't part of his hero outfit, it's just what his mouth looks like normally.
- Self-Duplication: His Quirk. He's limited to creating around 30 clones of himself at once, but he can move and dissolve these clones at will. He can also create a big copy, but at the expense of not being able to create more clones while the big one is active.
- Soul Power: Can manipulate ectoplasm to form clones of himself.
- Training Dummy: His clones make great punching bags for students trying to get a better handle on their Quirks.
Higari Maijima — Power Loader
Higari Maijima — Power Loader
"If you keep making a mess of things, I'm going to ban you from here."
A Hero Support teacher and pro hero who wears an animalistic suit of mechanized gear.
- Cloudcuckoolander's Minder: He attempts to play this to the ever energetic Hatsume. However, she spends a good amount of time not paying attention to him or even outright ignoring his warnings.
- Gadgeteer Genius: He is the resident tech teacher, able to help in designing and upgrading hero costumes and gear. He is also Hatsume's teacher.
- Powered Armor: He wears a suit of armor.
- Slasher Smile: It seems to be his default expression.
- Tunnel King: His costume is tipped with claws that allow him to dig through the ground. Iida and Ojiro's final exam is set in a large field, which Power Loader is continuously destabilizing by digging.
- Walking Shirtless Scene: He doesn't wear anything covering his torso.
Sekijirou Kan — Vlad King
Sekijirou Kan — Vlad King
Voiced by: Shuuhei Matsuda (Japanese)
"Class A stole the spotlight every time in the first semester, so the second semester's gonna be Class B's time to shine. Got that? Not Class A. Us!"
The Homeroom teacher of Class 1-B. His Quirk is "Blood Manipulation".
- Bad Powers, Good People: Manipulating and weaponize blood is hardly heroic, but he is still a pro hero and a teacher.
- Bilingual Bonus: His surname, Kan, means blood, but in Turkish.
- Bloody Murder: He can weaponize blood.
- Dark Is Not Evil: He is mostly clad in red and black colors, even his eyes are red and he seems to have a permanent scowl, but he is a hero nonetheless.
- Heroes Love Dogs: It's mentioned in his profile that he has a dog at home.
- Heroic Build: A big, strong-looking guy.
- Meaningful Name: Kan is turkish for blood. His name also contains the kanji to "vessel", "red" and "love", mostly referring to his powers of manipulating blood.
- Our Vampires Are Different: He has fangs like a vampire and a blood motif, but none of the other classic vampiric traits.
- Perpetual Frowner: Constantly harbors a scowl on his face and seems displeased or angry all the time, even his resting face on a press conference is just a slightly less threatening scowl.
- Sitcom Arch-Nemesis: With Aizawa. While Aizawa hardly minds him, he is constantly competing with him to make his class stand more than 1-A, who has the attention of both the school and the media.
- Spell My Name with an "S": His hero name has also been spelled "Blood King", and even "Brad King", due to the fact that Japanese doesn't have V or L sounds in it naturally.
Ryo Inui — Hound Dog
Ryo Inui — Hound Dog
The School Life Supervisor. Sometimes falls victim to his canine nature.
- Angrish: Starts barking and growling when he's worked up. Since he's introduced immediately after Bakugou and Midoriya's fight, he's so mad that he can barely get more than three actual words out.
- Bunny-Ears Lawyer: He has a tendency to devolve into fits of angry snapping and barking and even physically attacking people in the process, but he is also a very caring guidance counselor who wishes to help students as best he can.
- Hidden Heart of Gold: Like Gang Orca, he's stern and really intense when he gets worked up, but he's good with kids and cares deeply for UA's students.
- The Unintelligible: Not all the time, but when he starts spewing Angrish, it's hard for him to get his point across. He can talk just fine when he's relatively calm, though.
Principal — Nezu
Principal — Nezu
Voiced by: Yasuhiro Takato (Japanese), Jerry Jewell (English)
"...What we need now is a revival. At least for the students...we need to present them with prospects of a brighter future."
The principal of U.A. Academy. His appearance resembles some sort of furry animal. His character sheet reveals that his real name is Nezu (a play on the word for "rat" in Japanese) and that he is an extremely rare case of a Quirk appearing in an animal.His Quirk is "High Specs", which grants him Super Intelligence.
- Amplified Animal Aptitude: He's an animal who got Super Intelligence because of his Quirk.
- Animal Superheroes: Naturally. Being a Superhero is one of the requirements for one to become a teacher at UA.
- Big Good: A formal example due to his position as principal of UA.
- Broke the Rating Scale: Not quite as much as All Might, but his Intelligence at least breaks the official rating scale at 6/5. Appropriate, since Super Intelligence is his power.
- Being Tortured Makes You Evil: Mostly averted, as he chose to use his intelligence for heroic ends despite the experiments that were performed on him, but that doesn't mean that he won't enjoy the occasional opportunity to make humans squirm.
- Cartoon Creature: Lampshaded in his very introduction. He is supposedly a mouse, but that wouldn't explain his size.
- Character Filibuster: Nezu tends to ramble incessantly whenever he addresses the student body and faculty. All Might lampshades it best:All Might: With the principal, if I let him go on it'll never end...
- Everyone Calls Him "Barkeep": Actually has a real name, but is frequently referred to as the school's principal.
- Evil Laugh: When showing his "darker" side.
- Fully Dressed Cartoon Animal: He's some kind of animal, but wears clothes just like humans.
- Intellectual Animal: Thanks to his Quirk, he's actually smarter than any human.
- Large and in Charge:Inverted. He is the smallest teacher in U.A and its principal.
- Meaningful Name: "Nezu" is a pun on the Japanese word for "rat", "nezumi". That said, whether it's really a Meaningful Name or a Non-Indicative Name depends on whether Nezu is a rodent or some other animal. At any rate, it reflects his past as a lab rat, be it literal or figurative.
- Petting Zoo People: Actually an animal who was morphed to have a anthropomorphic body by his Quirk.
- Plaguemaster: Subverted. As Chapter 158 explores the theory of the origin of quirks. It was an unknown mutagenic virus that quickly spread across the world, carried by mice. A rodent is shown with a scarred right eye... Nezu.
- Putting the "Pal" in Principal: Nezu is an affable creature who genuinely prioritizes the students' growth and well-being. He does have a "darker side" that is played for laughs, though.
- Reasonable Authority Figure: So far, he appears to be a nice, smart and trustworthy person, enough to be one of the few people that knows about the true nature of All Might's "One For All".
- Rodents of Unusual Size: Part of the reason he gives off Viewer Species Confusion is that he is too big to be a mouse.
- Rugged Scar: Has one on his right eye. It's almost undeniable that he got it from the many abuses inflicted on him through experimentation.
- Shoulder Teammate: He is occasionally seen sitting on his colleagues' shoulders.
- Smart People Wear Glasses: Nezu doesn't wear glasses but his Quirk's name, High Specs, evokes this.
- Spell My Name with an "S": His name is often spelled as "Nedzu" by fans.
- The Strategist: As Denki and Mina learned, Nezu is always many steps ahead of his opponents and it takes a lot of brainpower to outwit him, something they sadly lacked going into their end-of-term exam. Nezu schooled them harder than any other teacher in the exams, and proved why he's been given the head seat at UA.
- Super Intelligence: His Quirk, and its not that he is an animal with human level intelligence, his Quirk has made him the smartest person on the planet.
- They Would Cut You Up: As an animal with a Quirk, he was experimented on when he was first discovered.
- Viewer Species Confusion: His species is indeterminate. As he himself says, he might be a mouse or a dog or a bear.