Class 1-A (Class 1-A Main Characters [Izuku Midoriya, Katsuki Bakugo]) | Class 1-B | Students From Other Classes | School Faculty and Staff (All Might) | Known Villains (League of Villains [Artificial Humans], Shie Hassaikai, Meta Liberation Army) | Other Heroes (Top 10 Ranked Heroes) | Police and Government Workers | Civilians (Main Characters' Families) | One For All and Its Torch Bearers | Other High Schools | Video Game Characters | Movie Characters | Illegals (Main Characters, Villain Factory, Supporting Characters)
Voiced by: Aya Kawakami (Japanese), Jessica Cavanagh (English)
Debut: Chapter 1 (Manga), Episode 1 (Anime)
Quirk: Attraction of Small Objects*
Izuku's mother who has raised him mostly on her own while her husband is away and paying the bills. Emotional and prone to outbursts of hysterical tears, she's a caring worrywart who's both supportive and protective of her son. She also has a Quirk that allows her to telekinetically draw small objects to her side.
- Adorkable: Like her son, Inko is timid, easily startled, and prone to overreacting. She is a doting mother who is constantly worrying about the safety of her son, panicking to the point that she can barely get across the floor on all fours, pacing back in forth in the hallways, and crying so much that she knocks herself unconscious from dehydration.
- Adult Fear: Her reactions to problems surrounding her son are very grounded compared to the more elevated parts of the story:
- Not knowing how to support her child through his years of the emotional turmoil of what amounts to a genetic disability in the story's world. The stress of all of it is even revealed to be what led her to gain so much weight compared to when Izuku was a child in the author's notes.
- She responds to things like hearing Izuku broke his hand or arm, or that he's at the police station due to being targeted by a villain with the kind of panic and emotional distress you'd expect from a parent in the real world. It comes to the point in which she asks Izuku to leave after the Forest Training Camp Arc due to a very serious injury in his arms and eventually threatens to pull him out of U.A. because she fears for his safety and feels she can't trust the heroes there to keep him safe. Even after letting him go on with his hero studies, she admits that she sometimes wishes he'd stayed Quirkless so he could safely watch from the sidelines.
- Alliterative Family: Inko and her son, Izuku.
- Big Beautiful Woman: She may have gained some weight over the years, but it does not really take anything away from her appearance.
- Doting Parent: She's always supportive of Izuku, but the effectiveness of her support on his emotional state is sometimes less than successful despite her best efforts.
- Foil: To Masaru and Mitsuki Bakugo. Inko is very involved in Izuku's life but was unable to properly support him and his dream when it was discovered that he was Quirkless, leading him to become a bullied Shrinking Violet and feeling guilt over this until he gets into U.A. She does her best to back him every step of the way but is constantly worrying about his safety. Meanwhile, the Bakugos have a son with an extremely powerful Quirk but weren't involved enough in his personal life to rein in his explosively increasing ego and temper, which they don't confront until after he gets into U.A., leading them to feel guilty over this.
- Formerly Fit: When Izuku was 4, she was thin. In the present, she is a bit chubby. That's because all her stress from parenting by herself caused her to put on weight.
- Glamorous Single Mother: Downplayed. While not precisely ritzy and glamorous, Izuku's home life is pretty stable and happy despite the fact that he just seems to live with his mom. He never mentions any money problems either, despite the fact that Inko is never seen working. An omake reveals that she is still married, and her husband works abroad, which is likely where the majority of her income comes from.
- Housewife: She's left to care for Izuku by herself while her husband works overseas.
- Locked Out of the Loop: She doesn't know about All Might giving Izuku One For All, something the latter is shown to be a little guilty about as he often mentions how he hasn't even told her about it.
- Meaningful Name: Her given name contains the kanji for "[to] pull/attract", referring to her Quirk.
- Mind over Matter: Her Quirk lets her move small objects.
- Miniature Senior Citizens: A downplayed example, as she's not particularly old, but she's notably shorter now than she was in flashbacks. Since this is played straight with Gran Torino, it's easy to see that Inko is portrayed as somewhere in the middle of the process between "tall and young" and "miniature and elderly" and that she'll likely be even shorter in her old age. At the moment, she's shorter than her son, and he's the third shortest boy in his class.
- My Greatest Failure: When it was first found out that Izuku would never have a Quirk, and thus, could never be a hero, his greatest dream, he had a breakdown. Instead of telling him that he could still try to be one, she too broke down, hugging him and crying while telling him how sorry she was. After Izuku gains admittance to U.A., she tells him how sorry she is for acting that way and that she'll fully support him no matter what.
- Ocular Gushers: Chapter 38 shows her being surrounded by a huge pile of tissues. Now we know where Izuku got it from. It's later revealed that she literally passed out seven times during the U.A. Sports Festival, two of those were from dehydration after crying so much.
- Out of Focus: She hasn't had a direct appearance since the U.A. students moved into the dorms. This is justified as Izuku no longer lives at home, meaning there are few ways for her to naturally fit into the story.
- Parents as People: She's essentially a single mothernote who clearly loves her son, Izuku, and does her best to take care of him, but she doesn't magically know the best course of action to take and is generally hampered by being Locked Out of the Loop. When a young Izuku was told that he was Quirkless, crushing his dream of becoming a hero, she did her best to comfort him without realizing that what he really needed at the time was to be told: "Don't give up hope". When he spontaneously develops powers and gets into the #1 Superhero School in Japan, she is naturally surprised but does what she can to support him. However, the fact that he repeatedly gets badly injured because of his new powers, including shattering his bones multiple times, horrifies her, and she initially refuses the school's request to move the students into a dorm, citing the fact that the students were attacked by villains on three separate occasions. She even tells All Might, Izuku's mentor and the person who gave him his powers, that she can't trust him to keep her son safe. Rather than trying to shut him down outright, she proposes that Izuku transfer to a lower-profile hero school so she won't have to constantly worry about him getting attacked by villains.
- Post-Stress Overeating: In the volume 11 bonus pages, it's revealed that she gained weight because of her constant worry and guilt over Izuku being Quirkless and not knowing how to she should help him through it.
- Reality Ensues: She received praise from fans who loved that she's a heavily realistic depiction of a mother in a shonen manga. Mothers usually are not mentioned or are dead in this genre, but Inko is shown as supportive of her son's dream, but also heavily worried about his well being while he is going in a life-or-death situation. Her unwillingness to put Izuku in U.A.'s dorms is nothing less than understandable, seeing as the school has been a source of controversy due to being on the receiving end of several villain attacks and even gotten one of their students kidnapped, as well as her own son's many injuries while under their tutelage. Even All Might and Izuku admit that while they want the transference to the dorms to happen, she has a valid point.
- Shared Family Quirks: Izuku and Inko are both highly emotional people who are prone to Ocular Gushers when they're upset or extremely happy.
- Strong Family Resemblance: She greatly resembles her son, sharing features such as face shape, eye shape, hair, and eye color, etc. They are both extremely emotional and kind people and they share some comedic traits too, such as being both Ocular Gushers and making exaggerated faces of surprise. She also is a fan of All Might and has his memorabilia spread around the house, though she doesn't go overboard with it as her son does.
- Yamato Nadeshiko: Inko is a really pretty woman, before and after. She is kind and mature and knows where to draw the line. While she lacks the usual dark hair, her hair is still a dark green.
- You Gotta Have Blue Hair: Like her son, she has deep green hair.
- You Remind Me of X: According to All Might, she reminds him of Nana, his mentor. After meeting Nana himself, Midoriya acknowledges the resemblance.
Quirk: Fire Breath
Izuku's father who has yet to appear. All that is known about him so far is that he has a fire-breathing Quirk and that he works abroad.
- All There in the Manual: The only way to know his name is by reading the databook.
- Disappeared Dad: He is only mentioned once by his wife as a guy with a fire-breathing Quirk. It's revealed in his wife's character profile that he is still alive and currently works abroad. Izuku himself never mentions Hisashi, even in internal monologue, and when he gets his provisional license, he wants to show it to his mother and All Might, but not his father.
- Playing with Fire: His Quirk is to breathe fire.
- Punny Name: In the databook, it's revealed his name is Hisashi, a pun on hisashiburi - which translates as "it's been a while", something you say to people you have not seen in a long time. This reflects his situation in the manga.
- Unknown Character: Hisashi's Quirk is everything that is told to the readers in the plot. He is only mentioned once and there aren't even pictures of him around to give a hint of what he looks like. Further information about him, such as that his name is Hisashi and he is working abroad, are only given in extra material and notes from the author.
Voiced by: Michiko Neya (Japanese), Morgan Garrett (English)
Debut: Chapter 38 (Manga), Episode 19 (Anime)
Quirk: Unnamed Ice Quirk
Shoto Todoroki's mother and Endeavor's (Enji's) wife. The circumstances behind their marriage remain unknown besides the fact that it was arranged (or so says Shoto anyway). Endeavor's mistreatment of her would eventually take a toll on her sanity, which ultimately led to her throwing boiling water on the left side of Shoto's face due to being disturbed by his growing resemblance to Endeavor. After the incident, she was put in a mental hospital, where she remains.
Shoto eventually reconciled with her and the two are slowly patching things up, but her relationship with her husband remains certifiably trashed, even if Endeavor has made some slight moves towards fixing things.
- Abusive Parents: Subverted. She was a kind woman who encouraged Shoto to pursue his own dreams but snapped due to a combination of the frustration for being used and the fact her children were beginning to look like Endeavor, which resulted in her dumping boiling water on Shoto's face in a Moment of Weakness. She gets better later on after being hospitalized and Shoto reconciles with her after the Sports Festival.
- Arranged Marriage: According to Shoto, Endeavor bought her family over to marry her through a Quirk marriage. The details are not known though, given the age calculations, they were both pretty young when it happened. It's revealed he chose her because of how her Ice Quirk counters his own, implying she was meant to keep him from hurting himself. The fact he remembered her favorite flowers even though she mentioned it once seems to show he did care about her.
- Breeding Slave: When introduced, Endeavor's words on how he groomed his youngest son, Shoto, to be his successor because of his Ice/Fire Quirk, alongside how he views his older children as failures and Shoto's explanation that he forced Rei into a Quirk marriage, initially caused the audience to assume that he only married her to have a child with Combo Platter Powers who could be strong enough to surpass All Might as the greatest superhero. However, Endeavor's own words of wanting someone to combat his weakness says otherwise. This, along with the implications that they would've married just out of adolescence, casts this into doubt.
- Broken Bird: She had a painful marriage with Endeavor with both them being barely out of adolescence in doing so. Granted, while she is broken in her current state, it's unknown if it was always this bad or if it was a gradual progress.
- A Day in the Limelight: Starts to receive heavy attention in the Pro Hero Arc after initially being introduced as a supporting character in Shoto's tragic backstory. In this arc, she gets a formal introduction by name and her children visit her in the hospital. Also, instead of Rei being heard talking fleetingly, she's seen having a long and polite conversation with them.
- Elemental Hair: Has stark white hair to reflect her ice-type Quirk.
- Huge Guy, Tiny Girl: The cover for Chapter 166 shows that Endeavor was One Head Taller than Rei, as well as about twice her width, when their son, Shoto, became a kindergartener.
- An Ice Person: Her ice-type Quirk is the reason Endeavor had any sort of interest in her.
- Meaningful Name: Her first name in kanji means "cold", which is a reference of her ice Quirk.
- Moment of Weakness: She injured Shoto immediately after she talked about how much the stress of her situation was getting to her.
- Mum Looks Like a Sister: She looks like she could be the older sister of her daughter, yet her daughter and oldest son are in their early to mid-twenties. Justified by the implications that she and Endeavor may have become parents in late adolescence or just barely out of it.
- Nightmare Face: That absolutely disturbed look of fear and hate she gave to Shoto the day she burnt him.
- Older Than They Look: Not to the extent of Mitsuki, but Rei is quite attractive and looks too young to have had children who are a teenager in the youngest and an adult in the oldest.
- Parents as People: The circumstances behind her and Endeavor are pretty unknown, but it's implied that they became parents quite young, which probably explains a lot. She did her best to be a good mother to all her children and tried to raise Shoto right while protecting him from Endeavor's abuse, but one person could only do so much. The strain of all the abuse wore on her until she had a Freak Out! that resulted in her scarring her son with boiling water, at which point Endeavor had her put into protective custody at a hospital. Years later, Shoto refuses to blame her for what happened, viewing it as his father's fault for his horrendous attitude, and when he visits her in the hospital to try and patch up their relationship, she's clearly very happy to see him.
- Sanity Slippage: When her children started growing and looking more like Endeavor, she succumbed to the stress and had to be sent to a mental hospital after injuring Shoto with boiling water. It's implied that whatever happened to her eldest son, Toya, started her descent into madness, and Shoto just so happened to be nearby when she snapped.
- Teen Pregnancy: Potentially implied. While her age is unknown, her husband's is 45 at the start of the series. While the age of their oldest child is not known, their second oldest child and only daughter is 22. Additionally, commentary on their oldest child, Toya, having a promising career cut short and forcing Enji to focus on Shoto implies he is at least a decade older than Shoto, likely being anywhere between 15-18 when Shoto was 5. This means that with their oldest being 25-28, this means that Endeavor was between 17 and 20 when they became parents, meaning Rei herself was likely either a teenager or just out of adolescence when she became a mother.
- Tears of Remorse: She apologized through tears to Shoto as they spoke in her room at the clinic.
- Unnamed Parent: Subverted. While she's first seen in the present in Chapter 44, her first name wasn't revealed until Chapter 187.
Voiced by: Yui Ishikawa (Japanese), Kate Oxley (English)
Debut: Chapter 44 (Manga), Episode 25 (Anime)*
Shoto's older sister and Endeavor's second child. She's 22 years old and has a background in education. Fuyumi is one of the few people who has managed to keep relative order in the Todoroki household. She expresses dismay over the parental rift caused by Endeavor's spartan personality and worries about Shoto's well-being.
- Dark and Troubled Past: Implied. Her abusive father, Endeavor, neglected her and didn't want to use her as his successor because Toya's Quirk was superior to even Endeavor's.
- Hope Spot: Her attempt at a family get together following Endeavor's battle against High-End was what she expected to be a chance for Shoto and Natsuo to try to start a dialogue with their father. Things go haywire fast, Natsuo lashes out at Enji only a few minutes after meeting him before leaving, and Shoto, while willing to admit his efficiency as a hero, ends up agreeing with Natsuo.
- Meganekko: She wears glasses.
- Multicolored Hair: Her hair is mostly white, save for some flecks of red from her father's side.
- Must Make Amends: In the databook,◊ it's stated that she became a teacher in order to compensate for the fact that she couldn't protect her younger brother, Shoto, from their father.
- Outnumbered Sibling: She has three brothers, one older, Toya, and two younger, Natsuo and Shoto.
- Promotion to Parent: She was the one taking care of Shoto since their mother's in the hospital and their father... well, it's really better he is not around, anyway.
- Strong Family Resemblance: Aside from the glasses, she looks like a younger version of her mother Rei.
- Theme Naming: The fuyu in her name means "winter", while the natsu in her brother Natsuo's name means "summer".
- The Un-Reveal: Her Quirk hasn't been revealed yet, although it's implied that she might have her mother's ice Quirk or a variation of it, based on her white hair and her name containing the kanji for "winter".
Debut: Chapter 187 (Manga)
Shoto Todoroki's older brother, who is a 19-year-old college student currently studying medical welfare. Because of his mom's genes, he can easily tolerate cold conditions. He's got a nice personality and wishes the public knew the truth about his father's abusive domestic behavior.
- Affectionate Nickname: His mother calls him just "Natsu".
- Calling the Old Man Out: In Chapter 192, he finally lets out everything he thinks of Endeavor to him, which includes his full anger about the fact that Fuyumi and himself were neglected, the abuse he put his mother and Shoto through, and an unknown incident regarding their absent brother, Toya. Endeavor has no answer to it.
- Early-Bird Cameo: A boy with white hair showed up in various flashbacks of Shoto's about the rest of his family, that boy seemed to be Natsuo as a kid.
- Everyone Has Standards: He may hate his father, but that doesn't mean that he wants him dead. He still urges his father to retreat and wait for reinforcements while watching his battle with High-End on TV.
- Parental Neglect: He mentions that he has almost no memories left of Endeavor and sees him more as a stranger than as a father, implying that Endeavor didn't really give the time of his day to kids besides Shoto. He also implies the physical abuse was only aimed at Shoto and Rei as well.
- Reality Ensues: It's not unusual for people not to want anything to do with their abusers after the abuse ends. Endeavor's abuse was monstrous, making Natsuo's rejection of the idea that Endeavor changed and the rejection of his apologies easily understandable. Even Endeavor understands that forgiveness wouldn't come easily if it'd come at all.
- Rejected Apology: While Endeavor is attempting to be The Atoner, Natsuo refuses to believe it, instead lashing out at him for his Parental Neglect towards himself and Fuyumi, and abuse to his mother and Shoto, as well as an unexplained event about their brother, Toya.
- Remember the New Guy?: Although a brief flashback to Shoto's childhood shows the presence of multiple siblings, Natsuo has apparently been living in the Todoroki household with Fuyumi, Endeavor, and Shoto even though this never was mentioned before the Pro Hero arc. Fuyumi explains that he never shows up because he has apparently been busy with college and, possibly, a secret girlfriend:Fuyumi: Ever since he's started college, he's basically never home. I heard he got a girlfriend from one of his classes!
- Theme Naming: The natsu in his name means "summer", while the fuyu in his sister Fuyumi's name means "winter".
Quirk: Unnamed Fire Quirk
Shoto's other brother and the eldest of his siblings. He has yet to fully appear; Natsuo implies something unpleasant happened that led to his current absence.
- Adaptation Dye-Job: In all his appearances in the manga flashbacks, Toya is depicted as having pure white hair like Natsuo and his mother Rei. In his sole anime appearance, he has his father's red hair.
- Alliterative Name: Toya Todoroki.
- Ambiguous Situation: The family seems to have lost contact with him, and something very sad happened to him, which started Rei's breakdown and turned Enji's attention to Shoto. Toya doesn't show up at any moment and the family seems to avoid talking about him anyway, so it's unknown whether he ran away or died, and what circumstances led to that.
- Blinding Bangs: As seen in a flashback in Chapter 188, he mysteriously has a hairstyle that covers his eyes.
- Cryptic Background Reference: His absence is noticeable when all his siblings are able to still get together and visit their mother. Natsuo mentions "something" having happened to him and implies that Endeavor is to blame in some way.
- Dark Secret: Endeavor was behind something involving Toya that apparently fomented Rei's breakdown, mentioning a promising career he cut short. It's implied that Toya may have gotten horribly injured while learning one of Endeavor's secret techniques.
- The Ghost: Has only been seen in flashbacks, but not in the present day for some odd reason. Nothing is known about his personality.
- Meaningful Name: His name contains the kanji "燈矢", the first of which means "lamp" and the second of which means "arrow". The first character also contains the kanji for "fire" while the second refers to an object that is sent away and doesn't return, referencing his disappearance and fire Quirk.
- Older Than They Look: As seen in a flashback in Chapter 188, he looked younger than both Fuyumi and Natsuo as a child. However, he's actually older than them according to the databook◊. To clarify, Fuyumi is the second oldest at 22, Shoto is the youngest at 15, and Natsuo is between the two at 19, making him "The Junior". This means that "Elder Brother" has to be this guy. It's possible that the implied weaker constitution may have had something to do with it.
- Playing with Fire: His Quirk is implied to be stronger than even Endeavor's Hellfire. Unfortunately, this appears to come with the same brutal weaknesses, but to a greater degree.
- Superior Successor: Subverted. A flashback of Shoto's reveals that Toya was Endeavor's first choice as his successor because his fire powers were much stronger than his father's, but he had inherited his mother's weakness, specifically a weak constitution toward heat. It's implied this was discovered the hard way when Endeavor was teaching Toya.
- Accomplice by Inaction: When Shigaraki remebers his family's death, he admits that this is the reason why his Quirk killed his mother and grandparents. While they weren't complicit in Kotaro's abusive treatment, they also didn't do anything to stop it and told him to endure it.
- Bystander Syndrome: Downplayed. None of them directly intervene when Kotaro is beating Tenko, but they do confront him about it after the fact. Unfortunately for them, that intervention is too little, too late and Tenko's resentment over their constant sugarcoating of his father's actions causes him to lash out with his Quirk and destroy them.
- Cruel and Unusual Death: Because Tenko's Quirk hadn't fully formed when he accidentally used it on his family, they fell apart into fleshy chunks instead of disintegrating into dust.
- Grew a Spine: After his unnecessary show of force on Tenko, Kotaro is confronted by his wife and her parents, who finally stand up to him and his harsh rules.
- Ludicrous Gibs: Unfortunately for everyone involved, Tenko's unintentional killing of them isn't clean.
- Posthumous Character: They were all accidentally killed by Tenko, excluding his father, when his Quirk first manifested well before the series began.
- Smash the Symbol: Tenko's newly-manifested Quirk not only killed his family but also completely destroyed his house. The house was built by his father, Kotaro, and symbolized the man's absolute control over the people who lived there, and its destruction represents the complete loss of that control and the death of the Shimura name.
- Unwitting Instigator of Doom: With the exception of Mon, every member of the Shimura family had a hand in Tenko's Start of Darkness. His father's direct abuse obviously played a huge roll in his mental spiral. His mother and grandparents would constantly tell him not to cry instead of encouraging him to chase his dream or tell his father off for said abuse. Finally, his beloved elder sister placing all of the blame of seeing Nana's photo on him, which led to his father beating Tenko. All of these factors culminated in Tenko coming to hate everyone around him and activating his Quirk which resulted in the death of the entire household.
Tenko ShimuraTomura Shigaraki's true name and identity.
Debut: Chapter 235 (Manga)
Tenko and Hana's father and Nana's son. He's grown up to have a severe distaste for heroics because his mother gave him away to protect him from her hero lifestyle.
- Abusive Parents: His go-to punishment was locking Tenko out of the house until he apologized for acting up, and after Tenko saw a picture of Nana, he beat Tenko before doing so. He admits to going too far in that instance, though. This doesn't save him.
- Asshole Victim: Despite the tragedy of his mother's abandonment, this does not give him a worthwhile excuse to psychologically and physically abuse his family into compliance, especially with his son Tenko. One can feel sorry for the deaths of Hana, the mother, and the grandparents but may find it hard to feel anything towards Kotaro, who brought all this on himself. This is even invoked by Shigaraki himself during his recollection of his past; while the deaths of Mon and Hana were accidental, and the deaths of his mother and grandparents were a by-product of his Quirk responding to his resentment for their inaction, he willingly touched his father with the intent to kill him.
- Berserk Button: Any mention of heroism is enough to rile Kotaro up, but being reminded of Nana's abandonment immediately sends him to commit violence on his own son in rage.
- Cheerful Child: Was implied to be this in a photo of him embracing his mother. After being abandoned by Nana out of his own safety, he grew into a serious no-nonsense adult.
- Cruel and Unusual Death: Kotaro was murdered when his son placed his left hand on his face, reducing him to pieces. Years later, Shigaraki would wear Kotaro's severed left hand as a face mask.
- Hypocrite: He hates his mother for hurting her own family through heroism, yet ends up doing the same thing to his own through his strict rules. His wife eventually calls him out on this after hitting Tenko, and Kotaro agrees that he crossed the line. He dies a hypocrite, begging his son to stop while trying to attack him; Tenko, sick and tired of Kotaro's brand of parenting, hears none of it, screaming at him to die.
- Irrational Hatred: He hates heroes because his mother "chose" her hero life over raising him. note Unfortunately, this led to emotional and physical abuse in his parenting, especially towards his son Tenko. This ultimately drove Tenko to outright murder him.
- Jerkass Realization: After beating Tenko for supposedly breaking into his office, he reexamines his feelings for his mother and is called out by the rest of his family, then concludes that he took things too far and that his rules have gotten out of hand. This amounts to nothing since shortly afterwards, Tenko's Quirk activates and he goes on an accidental killing spree against the family. Rather than try to reason with Tenko, at first, he tries attacking him with a weed clipper to get him to stop. Tenko disintegrates him for this.
- Knight Templar Parent: Deconstructed. He'll do anything to prevent his own family from being affected by the consequences of heroism, but his own actions ends up alienating himself from the family he's trying to protect.
- Locked Out of the Loop: He apparently never knew that his father was killed by a villain or just how dangerous the villain was that would have hunted him down had his mother not completely cut all ties with him. Because he didn't understand the circumstances of his abandonment, it leads to him rejecting Nana as his mother and forming an intense life-long hatred of heroes in general.
- Oh, Crap!: When he discovers the remains of his family after Tenko's out of control powers starts decaying everything in sight. As his son desperately calls out to his father to save him, Kotaro's first instinct to defend himself is to attack his son with a weed clipper. When that fails to knock him out and just serves to further enrage him, Kotaro desperately apologizes to Tenko and begs him to stop. It's too little, too late; an enraged Tenko kills him, not just for this last cruel action but for all the abuse father inflicted upon son.
- Perpetual Frowner: He's always seen with a serious expression and never really shows any signs of happiness.
- Principles Zealot: He forbids any mention of heroism in the household and is strict in upholding the rules he sets up. This drives his family against him and ultimately, gets them all killed, including himself, at the hands of his son.
- Self-Made Man: He was an entrepreneur who became wealthy very quickly. He built his own home and even invited his in-laws to live with him. Making it all the more ironic when, with his own hands, he ends up destroying everything he tried so hard to maintain by abusing his son, who has the power to Decay everything around him.
- Shadow Archetype: Both Kotaro and Kota lost their parents due to heroism and grew to despise it. While Kota gets better under Midoriya's influence and moves on from his grief, Kotaro had no one to inspire him and only further descends into his own sorrow. Tragically, Kotaro's hatred for heroism ends up getting him and the rest of his family killed.
- Small Role, Big Impact: If Kotaro was even remotely competent in his parenting and encouraged love and acceptance in his household, Tenko would have never been scarred emotionally and would have grown up decent and good. That is not the case here and all Kotaro ends up doing is getting himself and his family killed, leaving behind a broken son, who was then manipulated by the series Big Bad to become an even bigger monster.
- Took a Level in Jerkass: Was once a sweet kid with a loving mother but the stress of hero work, along with the fact that All For One was trying to emotionally wound Nana by attacking her family, drove Nana to abandon her own son. This severely affected Kotaro's view on heroes and he grew up into a no-nonsense person who rules his family with fear of abuse at any mention of heroes, taking out his frustrations on his youngest son. This ends up getting his entire family killed at his son's hands.
- Troubled Abuser: From his perspective, his mother chose hero work over raising him, which made him believe that heroes care more about other people than their families. Unfortunately, this belief led to him abusing his own son.
- Was Too Hard on Him: While alone after hitting Tenko, he realizes he was this. He resolved to make it up to him even before his wife and family came to confront him over his actions.
- What You Are in the Dark: When Tenko comes at him for help after having accidentally killed the rest of their family with his newly manifested Quirk, his last act is to whack his son in the head with a weed clipper and tell him to stop, making a stark contrast to his wife, who tried to hug Tenko as she disintegrated. This last act is the straw that broke the camel's back in awakening Tenko's hatred and killing intent. This just adds to the tragedy, as even when all hell breaks loose, Kotaro has to fall back on violence to try and solve his problems, rather than try and at least approach his son with love.
- Would Hurt a Child: He physically beats his own son when he thought that Tenko broke into his office, but does regret his actions after cooling down. Unfortunately, he learned nothing from this experience, as he tries to attack his son with a weed clipper in an attempt to stop his rampage.
- You Are Not My Father: He basically refers to his own mother as a demon who threw away her own child. Ironically, his own five-year-old son harbored the same sentiment towards him and murdered him in a fit of rage.
Debut: Chapter 227 (Manga)
Tenko's older sister, who supported his desire to be a hero.
- Cool Big Sis: Tenko's flashbacks show she was a kind and loving older sister to him and was the only family member to openly support his dream of being a hero. This relationship is soured forever when she betrays her brother in an effort to spare herself from her father's wrath. Though she tries to apologize, she ends up running away from Tenko in fear when she discovers their family dog's remains, and dies not knowing what really happened.
- Death of a Child: Played with. She's Tenko's first (accidental) human victim, but at that point he was a child as well.
- Dramatic Irony: She swears to protect and help Tenko in his flashback, but we already know she'll never get the chance. Later flashbacks show that she failed to keep her promise even when she had the chance to as well.
- Early-Bird Cameo: She can be spotted in one of Tenko's flashbacks in Chapter 222, but doesn't get properly introduced until later.
- Girlish Pigtails: She's a young girl with a pair of high pigtails.
- HeelFace Door-Slam: Hana sold out her younger brother in an effort not to get into trouble with their father but ends up regretting her actions. When she goes to apologize, she finds their family dog in a pool of blood and she runs away in fear, disintegrating when Tenko tries to grab her to come back. She dies horribly, never learning the truth of the situation, and Tenko never gets to hear this much-needed apology.
- Identical Grandson: She inherited both her black hair and pale skin from her grandmother, Nana. She even looks like her grandmother but in child form.
- Moment of Weakness: She tries to support her little brother's dream and even wants to follow his dream herself, but she's still just a child. When her angry father demanded to know who had broken into his office and peeped at the picture of her grandmother, she broke down in tears and said it was all Tenko's idea, clearly terrified of the punishment she'd face. Given the punishment Tenko faces, she was right to be scared. She does apologize to him later for this, but by that point, it's too late.
- Unwitting Instigator of Doom: Her attempts to encourage Tenko's dream only led to their father beating him and his Start of Darkness.
Debut: Chapter 234 (Manga)
Hana and Tenko's mother.
- Cooldown Hug: Attempted to give one to Tenko to calm him down when his powers rampage out of control. Sadly her body falls apart from his Quirk, but his position as it happens suggests he was trying to hug her as well.
- Defector from Decadence: She decides that if enforcing Kotaro's rules involves hurting their children, she won't abide with them, implying that she was willing to leave her husband and take her children with her in an effort to protect them. This sadly never comes to pass, as Tenko accidentally goes on a killing spree when his Quirk awakens.
- Housewife: She stays home as Kotaro makes enough money on his own.
- No Name Given: She's yet to be given a name.
- What You Are in the Dark: She's the only family member who tried to help Tenko when his powers went out of control. Hana ran away in fear, the grandparents merely stood in horror and Kotaro tried to attack Tenko with a weed clipper. Even when her death was imminent, she still tried everything in her power to hug her son and comfort him, not caring that his powers were dangerous.
Debut: Chapter 234 (Manga)
Tenko's grandmother and grandfather on the mother's side.
Debut: Chapter 235 (Manga)
The Shimura family's pet dog.
- Ambiguous Gender: Its gender isn't specified.
- Early-Bird Cameo: It can be spotted in one of Tenko's flashbacks in Chapter 222, but doesn't get properly introduced until later.
- Undying Loyalty: It had a strong attachment to Tenko and barked when his father hit him, later consoling him in the yard. Even as Tenko's Quirk activated, rather than panic, freak out, or become aggressive, Mon simply embraced Tenko till the end.
Masaru and Mitsuki Bakugo
Mitsuki's voiced by: Yuka Adachi (Japanese), Rachel Glass (English)
Masaru's voiced by: Taichi Takeda (Japanese), Patrick McAlister (English)
Debut: Chapter 96 (Manga), Episode 50 (Anime)
Quirks: Glycerin (Mitsuki), Oxidizing Sweat (Masaru)
Katsuki Bakugo's mother, Mitsuki, and father, Masaru. Both of them have Quirks; Masaru's Quirk is "Oxidizing Sweat" which allows him to sweat nitric acid, while Mitsuki's "Glycerin" lets her produce a smooth liquid from her skin. Katsuki's own Quirk was the result of the two Quirks fusing together, allowing him to form nitroglycerin, as in the main ingredient in dynamite.
- Absurdly Youthful Mother: Mitsuki looks pretty young for a woman who has a son in his mid-teens. Her Quirk allows her to produce a smooth oil from her skin, giving her a youthful appearance.
- Abusive Parents: Defied. Despite giving Katsuki a Dope Slap, it's played for laughs and he's furious rather than heartbroken like an actual abuse case. One minute later she also says she's glad he's back safe and sound while ruffling his hair affectionately. However, it's made clear that she's otherwise a loving parent but, given how hot-tempered he is, it's implied she's just strict or, at least, trying to be strict to curb his explosive tendencies.
- Alliterative Family: Mitsuki and her husband, Masaru, have names starting with "M."
- Bait-and-Switch: It's possible to think that it would be incredibly hard to convince the parents of someone who was kidnapped while in their care to allow him to move into the dorms of that school. Despite that, Mitsuki automatically agrees, no questions asked, thinking of how good it has been to her son to be brought down a peg since they've been dealing with his prideful and egocentric personality for a while.
- Calling Your Attacks: Big Mother Crush.
- Distaff Counterpart: As far as looks and personality go, Mitsuki is an older and wiser female version of Katsuki.
- Dope Slap: Mitsuki gives Katsuki one three times. It's easy to see where he got his temper from.
- Early-Bird Cameo: At the very end of the U.A. Sports Festival Arc, Mitsuki is first heard yelling at Katsuki from another room inside their house for yelling just after waking up because he's working out his frustrations after his disappointing fight with Todoroki by killing the bacteria on his teeth.
- Extreme Doormat: Masaru is so shy that he can't even partake on the house and parenting decisions, since Katsuki and Mitsuki scream him into submission, sometimes even without realizing.
- Family Theme Naming: Mitsuki and her son, Katsuki, have names ending in "-tsuki".
- Mitsuki to Inko. Both are Birds of a Feather with their sons. However, while Inko is more loving and caring, Mitsuki is cruder and prone to screaming. The fact that their sons' behaviors are complete opposites definitely plays a part in how they behave with them.
- Masaru to Hisashi on account of the fact that the former is actually present in his child's life. However, he's totally ineffective at parenting, to the point that he might as well be absent.
- Good Counterpart:
- Mitsuki to Katsuki. While she has the same temper he has and often gives him a Dope Slap, it's Katsuki. However, she is considerably Older and Wiser than him and is kind-hearted otherwise.
- She's one to Endeavor. Despite the slapstick, she's mostly just a strict overbearing mom, which she has to be to deal with a kid like Katsuki. Endeavor meanwhile traumatized Shoto to the point he's still recovering from the emotional scars.
- Henpecked Husband: Implied. Between Masaru's meekness and his wife's explosive temper, it would be a wonder if he wasn't one.
- Jerkass to One: Mitsuki is only harsh with her son Katsuki, and seems to be polite and courteous to others.
- Kick the Son of a Bitch: Mitsuki blames Katsuki for being kidnapped. This is exactly how Katsuki has been treating Midoriya since the earliest chapters of the manga.
- Older and Wiser: Mitsuki is this in comparison to Katsuki, in spite of all the other traits they have in common. Despite her fiery personality, she's able to see that her son is being an asshole and willing to call him out on it, though she's kind of a bitch herself.
- Older Than They Look: Mitsuki is 38 but she looks rather youthful for someone who's has a son in their mid-teens. This is justified as her Quirk apparently gives her great skin. Additionally, this is Truth in Television as people with oily skin suffer less from wrinkles and other signs of aging.
- Opposites Attract: Mitsuki is as explosive as Katsuki is, while Masaru is a meek Only Sane Man.
- Parental Neglect: Downplayed. Mitsuki understands that she and Masaru should have done more to prevent Katsuki's current behavior.
- Parents as People: Mitsuki and Masaru failed in educating their son's behavior while he was still a child. They admit that Katsuki's insanely overblown ego, rudeness, and bad attitude is a failure on their part as parents and that they should have noticed the early signs of his negative personality traits and done something. As a result, Mitsuki is trying to get a hold of her son's personality in his high school years, which doesn't seem to be going that well, as it often devolves into shouting matches, but they're at least trying to resolve the issue.
- Pitbull Dates Puppy: Mitsuki's the pitbull and Masaru's the puppy.
- Red Oni, Blue Oni: Mitsuki has an explosive temper that matches her son's, although it only ever seems to be directed toward Katsuki anyway, while Masaru is passive and usually tries to be the peacekeeper.
- Sir Swears-a-Lot: Mitsuki. It's another trait Katsuki got from her.
- Spiky Hair: They both have Wild Hair that sticks up at all angles. It's not hard to see where Katsuki got it from.
- Strong Family Resemblance: Katsuki is basically a male version of his mom with his dad's hair shape.
The Iida Family
Debut: Chapter 13 (Manga), Episode 9 (Anime)
Iida's family, composed of him, his brother Tenya, and their parents. They are a lineage of heroes that preside over a big office called Iidaten.
- Badass Family: All members of the family are pro heroes, and the generation before had heroes as well.
- Bizarre Alien Biology: Most of them have a variation of Iida's "Engine" Quirk, giving them combustion engines that protrude out of their body which look mechanical, but is really organic and runs off of fuel produced by his body.
Kyotoku Jiro and Mika Jiro
Kyotoku's voiced by: Koji Hiwatari (Japanese), Bryan Massey (English)
Mika's voiced by: Katelyn Barr (English)
Debut: Chapter 96 (Manga), Episode 50 (Anime)
Quirks: Unknown (Kyotoku), Earphone Jack (Mika)
Kyoka Jiro's mother and father who work as musicians.
- Good Parents: Jiro's parents are surprisingly very understanding and loving, even after the incident where she is poisoned by Mustard's knockout gas. They also readily encourage her to pursue her dream of being a musician even though she's very bashful about it.
- Open-Minded Parent: When she was young, Kyoka felt pressured into following her father's career and go into the music field despite wanting to be a hero, feeling guilty when she finally revealed this to them, but they actually receive this welcomingly and support her dream.
- Family Theme Naming: Kyoka's name is a combination of her parents' names, Kyotoku and Mika.
- Strong Family Resemblance: Mika looks like a slightly older version of Kyoka.
The Asui Family
Debut: Bonus Chapter 1 (Manga), Training of the Dead (Anime OVA)
Quirks: Unnamed Frog Quirks
Tsuyu Asui's father, Ganma, mother, Beru, younger brother, Samidare, and younger sister, Satsuki. They're all frog-like in appearance.
- Alliterative Family: Samidare and Satsuki have names starting with "Sa."
- Ambiguously Brown: Ganma has unmistakably brown skin while the rest of his family are all pale. It makes him stick out as even more frog-like.
- Blush Sticker: Beru and Samidare have blush stickers.
- Family Eye Resemblance: Beru and Satsuki have the same wide, round eyes as Tsuyu.
- Family Theme Naming:
- Ganma's name can be read as "gama", another word for "toad".
- Beru's name means "bell", referring to a type of frog called the bell frog.
- The kanji in Samidare's name can be read as "early May rain".
- Satsuki's name, when written in hiragana, can be read as "the fifth month of the lunar calendar (May)".
- Frog Men: All of them have frog-like appearances.
- Girlish Pigtails: Satsuki wears her hair in low pigtails. She's the youngest daughter of the Asui family.
- Outnumbered Sibling: Samidare is the only boy in his family, with two sisters.
- Peek-a-Bangs: Samidare's hair covers his eye, giving him a somewhat mysterious look.
- V-Sign: Samidare makes this gesture when Tsuyu introduces him at the beginning of the Training of the Dead OVA.