History Characters / Murcielago

* TheBusCameBack: She later appears with Arianna.

.

* NightmareFetishist: [[spoiler: She seems to have enjoyed raping Fuuri with ping-pong balls.]]

* SchoolgirlLesbians: With Polina.

* ImpaledWithExtremePrejudice: [[spoiler: Her ultimate fate after "gradutation". She's impaled by a huge pendulum that rips her heart out, Rosemarie drinks her blood, and Gold Marie grounds her body into fertilizer.]]
* SchoolgirlLesbians: With Arianna.

* SchoolgirlLesbians: With Minako, having comforted her with sex after she was raped by bullies (actually Fuuri herself).

* SchoolgirlLesbians: [[spoiler: With Marie when they were students, as shown in an omake.]]

* SchoolgirlLesbians: She was in a relationship with Mari back in school.

* LongLostSibling: [[spoiler]]She turns out to be Terumi's sister and is the one responsible for him going to prison in the first place. Her guilt over this is part of the reason she joined Virginal Rose.[[/spoiler]]

* HumonguousMecha: His ultimate invention, which he uses to attempt to kill Saki.

[[folder:YukioSenzaki]]

!!Criminals

[[folder:Psych Ward Escapee]]

[[quoteright:283:https://static.tvtropes.org/pmwiki/pub/images/train_killer.jpg]]

The villain of the pilot chapter, the unnamed patient of the local psych ward escaped and went on a killing spree. Kuroko took him down in a single chapter by proving she was the better killer.

* AttentionWhore: Kuroko considers him to be this; an amateur killer with no finesse who only wants ot be in the spotlight, to the point of calling the police to report his own location.
* AxeCrazy: He has a perpetually crazed expression on his face, and he's passionate about killing and mutilating people.
* LudicrousGibs: Kuroko ensures this is all that remains of his body so he can't be identified.
* NoNameGiven: He isn't given a name in the story.
* OffWithHisHead: He is introduced decapitating several dozen people in a train.
* RazorFloss: His weapon of choice.
* SlasherSmile: His default expression.
* StarterVillain: Dangerous and formidable as he is, he's just a warm-up to the long list of even deadlier villains Kuroko and gang have to deal with.
* WickedCultured: Massacres people while singing 'Ode to Joy' [[GratuitousGerman in German]].

[[folder:Tasuku Iimura]]

!!Tasuku Iimura

[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/iimura.jpg]]

The villain of "The Cost of Strength" chapters. A former wrestler, he turned to doping, thinking that if he was stronger, his fans would watch him again. Unfortunately, the drug he used made him more beast than man...

* BoomHeadshot: Kuroko had to shoot point-blank into [[AttackItsWeakPoint the back of his head]] to put him down.
* {{Face}}: He originally played this role in pro wrestling. Even in his doped-up state, he hallucinates that his victims are actually wrestlers playing the {{Heel}} role, and bystanders are the audience.
* FeelsNoPain: The drug Cesare has a side effect where users lose all sense of pain. This is best seen when he attempts to stop a speeding car and doesn't react to his bones literally being shoved out of his skin.
* FriendToAllChildren: Before his drug problem.
* ImmuneToBullets: In his drugged-up state, bullets simply bounce off his skin, as several unfortunate police officers discovered.
* NoNameGiven: His name isn't revealed until an end-of-volume page. In Kuroko's own words:
-->'''Kuroko''': Our target is a former wrestler and druggy. His name doesn't matter.
* SuperStrength: What Cesare has granted him. He is even capable of literally tearing people in half.
* TragicMonster: When sane, he wasn't a bad guy, and an extra page even shows that he was a FriendToAllChildren. Unfortunately, doping has reduced him to little more than a savage monster.

[[folder:Hyoue Satori]]

!!Hyoue Satori

[[quoteright:316:https://static.tvtropes.org/pmwiki/pub/images/satori_3.jpg]]

The ArcVillain of the "Murder Party" Arc, Satori is an old man who has built a gigantic manor and invited several people, who he deemed criminals, there to party. However, he has rigged the manor with all manners of death traps, intending to kill each and every one of his guests. [[spoiler: He is eventually killed by Reiko]].

* AllCrimesAreEqual: He evidently believes this. Violent crimes, white-collar crimes, and even shoplifting are all enough to make one deserving of an invitation to his murder party.
* BlackEyesOfEvil: His eyes are pitch-black in color, giving him a rather unnerving look.
* EvenEvilHasLovedOnes: His love for his family was genuine, and their deaths turned him into the man he is today.
* EvilCripple: Needs a wheelchair
* EvilOldFolks: This man looks more like a mummy than a human being.
* Fiction500: He spent over 100 billion yen (10^11) to build his mansion filled with death traps.
* KnightTemplar: He is determined to make sure criminals pay for their crimes, and his method of doing so is having them butchered. He also believes that God will save those who are innocent, so there's no need to feel bad for those who die.
* NonActionBigBad: He's extremely old and wheelchair-bound, so he leaves the fighting to Yukari while he limits himself to pressing buttons to activate traps.
* PayEvilUntoEvil: He gathers criminals from all over Japan and has them killed in order to make Japan a better place.
* RoaringRampageOfRevenge: His daughter, son-in-law, and granddaughter were killed by criminals. As a result, he decided that he would kill every criminal he could get his hands on.
* SerialKiller: Although not quite a SerialKillerKiller since he kills people who have commited all sorts of crimes. He also doesn't consider himself a killer as he has never directly killed anyone, only put them in deadly traps.
* SuperWheelchair: His wheelchair has several machine guns built into it, but he gets crushed by Hinako dropping a boat on him before getting a chance to use them.
* TheLostLenore: First his wife, and then the rest of his family, which sunk him into a depression of which he was pulled out by Yukari and her suggestion of holding "parties" to massacre criminals.
* UnwittingPawn: Possibly of [[spoiler: his granddaughter]].

[[folder:Takeru Asagi]]

!!Takeru Asagi

[[quoteright:294:https://static.tvtropes.org/pmwiki/pub/images/takeru_9.jpg]]

One of the antagonists of the "D-K Domestic Killer" Arc. Born Toshiyuki Asada as the son of a Diet Member, Takeru used to be a SerialKiller known as the 'Skin Collector.' Supposedly reformed and now the head of the Asagi Electric company, he has become a person of interest once bodies with their faces peeled off begin turning up again.

* AbsurdlySharpBlade: A vibrating knife mde his company that can cut through anything with no resistance.
* EvenEvilHasLovedOnes: Despite being a dangerous killer, [[spoiler:his love for his family was genuine, if a bit twisted. He even took the blame for his wife's death in order to protect the true culprit: his daughter.]]
* FaceStealer: His M.O. was taking the faces of his victims. [[spoiler:Rinko has taken this up as well.]]
* KnifeNut: His weapon of choice, perfect for taking the faces of his victims.
* ReformedCriminal: A former SerialKiller who is now the owner of a company. [[spoiler:He's still a vicious fighter and his murderous impulses are still there.]]
* SerialKiller: He used to kill women and take their faces. [[spoiler:The discovery of bodies of men and children without faces is a clue that he is not responsible for the recent murders.]]
* SnuffFilm: He kept a collection of videos of his own murders, which was eventually discoverd by his daughter.
* SoProudOfYou: A twisted version. [[spoiler:He's proud that his little Rinko has learned to kill, just like her dad, even when her first victim was his own wife/her own mother. Kuroko noted how it's the ultimate narcissism, to see one's offspring have become like themselves.]]

[[folder:Gold Marie]]

!!Yoshino Koganei

[[quoteright:255:https://static.tvtropes.org/pmwiki/pub/images/gold_marie.jpg]]

The main antagonist of the "Rose-Colored Prison" Arc, Gold Marie is a member of the Virginal Rose cult. A serene-looking woman, her gentle smile hides some rather dark secrets.

* DissonantSerenity: She rarely loses her temper, [[EyesAlwaysShut opens her eyes]] or raises her voice. This only serves to make her all the more uncanny once the darker aspects of Virginal Rose start to emerge.
* DoesNotLikeMen: A particularly horrifying example. She was raped when she was younger, and the rape caused her to see men as filthy creatures. [[spoiler:This dislike also caused her to mutilate and alter her own younger brother to be more woman-like.]]
* GagBoobs: Has an impressive bust, making it easy for her to seduce Kuroko.
* HoistByHisOwnPetard: [[spoiler: Gets impaled by her own pendulum scythe]]
* NotQuiteDead: [[spoiler:In the "Till Death Do Us Part" arc, it's revealed she barely survived getting hit by her own scythe, and what's left of her body had been sewn onto her younger brother by Hakua. Narumi finally puts an end to her suffering at the end of the arc.]]
* RapeAsBackstory: She was raped by three men when she was younger. [[spoiler:They paid for it with their lives.]]
* YouHaveFailedMe: She "[[ReleasedToElsewhere graduates]]" one of her members for spilling a bag of fertilizer.

[[folder:Rose Marie (Unmarked spoilers!)]]

!!Kicho Koganei

[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/rosemarie.jpg]]

Rose Marie is, at first glance, the leader of the Virginal Rose cult. However, Rose Marie is actually Gold Marie's younger brother, having been mutilated to be more woman-like due to Gold Marie's trauma over being raped.

He makes a return as the main antagonist of the "Till Death Do Us Part" arc, having devolved into a rabid beast with a horrific hunger for blood. He lurks in the sewers and drags in unfortunate victims to feast on.

* {{Bloodlust}}: In the "Till Death Do Us Part" arc, he kills people to drain them of blood. This is because he has his older sister sewn onto him with blood constantly leaking from her eyes, requiring him to replenish the lost blood through his feeding.
* BodyHorror: The reveal of his lower half shows that his genitals have been sliced off, leaving a horrific scar between his legs. When he reappears in the "Till Death Do Us Part" arc, he has part of his older sister sewn onto his back.
* HoneyTrap: His role in the revenge plot against his sister's rapists. He dressed up as a beautiful girl to lure them in and kill them.
* RoaringRampageOfRevenge: After his sister had been raped, he helped her get revenge on her rapists by dressing up as a girl to get them to lower their guard so that she could stab them all to death.
* RunningOnAllFours: In the "Till Death Do Us Part" arc, he moves around on all fours at terrifying speed, emphasizing how his mind has degenerated into that of an animal following its most basic instincts.
* TragicMonster: He started as a loving younger brother who wanted to help his sister get back at her rapists. However, his sister ends up mutilating him to look more like a woman due to her trauma, causing him to lose his mind in the process. He is later experimented on by Hakua and then tossed out after she deemed her experiment a failure. By the time Kuroko and the others find him, he has devolved into a feral animal who can't even remember who he used to be anymore.

[[folder:The Rainy Day Killer]]

!!Shouichi Kagimura

[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/kagimura.jpg]]

The main antagonist of the "Gap Between the Sky and I" Arc, the Rainy Day Killer is a hulking man who abducts little girls on rainy days and strangles them to death. He seems to be searching for someone...

* BeardOfEvil: One of his most distinguishing features is a long beard.
* BerserkButton: If there's one thing he hates more than anything, it's being lied to. It's heavily implied that he had been betrayed by people he trusted, which led to him feeling down and that one little girl giving him candy on that rainy day.
* CrazyHomelessPeople: He lives in an abandoned steelworks factory, and is a delusional serial killer.
* GreaterScopeVillain: His actions are the catalyst for the [[spoiler:"Punishing Love" arc; one of his victims is a little girl named Tsumugi, and Tsumugi's father would be so stricken by grief that he ended up abducting girls to become his daughter's substitute, becoming the BigBad of the arc]].
* ImpaledWithExtremePrejudice: [[spoiler:Kuroko finally brings him down by impaling him with a steel girder.]]
* LivingDollCollector: He keeps the mummified corpses of his dozens of victims inside his warehouse.
* MadeOfIron: Even after [[spoiler:Rinko cuts both his arms off, stabs him with several knives, and lops one of his feet off]], he's still able to move. It takes [[spoiler:Kuroko slamming a steel girder through his body]] before he finally goes down for the count.
* MysteriousPast: All that's known about his past is that he was betrayed by one or more people in a matter regarding a job or contract, leaving him homeless.
* ObliviouslyEvil: He doesn't seem to fully comprehend the consequences of strangling little girls to death in anger. When he captures Sora, he presents her the corpses of his victims as "friends". His stat chart gives him a 5 in Abnormality, indicating a severe mental illness and detachment from reality.
* ScaryShinyGlasses: He wears a pair of glasses that hide his eyes to make him more intimidating.
* SerialKiller: He killed 47 little girls in his attempt to reunite with the little girl who showed him kindness many years ago.
* UnwittingPawn: [[spoiler: A chip found inside him indicates he's one of the many pawns used by "the mastermind".]]
* WouldHurtAChild: His victims are all little girls. This is because he's searching for a little girl who gave him kind words and a piece of candy many years ago.

[[folder:The Marimo Academy Bomber (Unmarked Spoilers!)]]

!!Marie Misaka

[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/marie_27.jpg]]

The main antagonist of the "School Destruction" Arc, Marie is a P.E. teacher at Marimo Academy. She feels murderous resentment towards Mari Mitsukura, the Academy Head.

* AlliterativeName: '''M'''arie '''M'''isaka. The head of the academy has the same alliteration, and a flashback shows that they started to become friends after recognizing this.
* AlwaysSecondBest: When they were younger, Marie felt that she was always second best compared to Mari. This feeling festered and led her to attempt to commit murder-suicide.
* GoryDiscretionShot: Minako kills her with Kuroko's encouragement using the pointy tip of a flag, but the act itself is not shown.
* GreenEyedMonster: She was consumed by jealousy for Mari, from how easily she obtained her position as director.
* MadBomber: After destroying the gym, she straps a bunch of dynamite to herself in order to kill herself and Mari.
* SchoolgirlLesbians: She was in a relationship with Mari back in school.
* SpannerInTheWorks: She happens to find Minako's explosives and decides to use them for her own revenge scheme.
* TakingYouWithMe: Marie's final explosion was meant to have two casualties: Mari and herself.
* WeUsedToBeFriends: Marie and Mari were once best friends, and a bonus image even showed that they were sexually intimate during their high school years. However, the difference between their abilities caused Marie's love to turn into something uglier, leading to her attempted murder-suicide.

[[folder:Toukichirou Higaki]]

!!Toukichirou Higaki

[[quoteright:291:https://static.tvtropes.org/pmwiki/pub/images/higaki.jpg]]

The main antagonist of the "Sakura of Oblivion" Arc, Higaki once led a right wing extremist group called the Senjin Lions. Now, after being broken out of prison by his loyal followers, he now leads an ultra-nationalist militia called the Ousen Group and has declared war against Japan's current government.

* DeathSeeker: It's eventually revealed that [[spoiler:dying in battle is his true goal, due to feeling guilty over not being able to fight and die for his country during World War II]].
* EvilOldFolks: Higaki grew up during World War II, and Japan's defeat forged him into the man he is today.
* ImprobableWeaponUser: He mainly fights by throwing nails with deadly force.

[[folder:Kurono Miyamoto (Unmarked Spoilers!)]]

!!Kurono Miyamoto

The main antagonist of the "Master Swordsman" Arc, Kurono Miyamoto is the oldest daughter of the Miyamoto family and a kendo prodigy. She was reported missing a few years ago, but has seemingly reappeared and is killing other kendo practitioners.

* TheAce: Kurono was an absolute prodigy when it came to the sword, something that her younger sister Hikaru both admired and felt discouraged by. When the Kurono split personality takes over Hikaru, she proves her skills are still top-notch by killing other highly skilled swordsmen and taking on both Kuroko and Rinko simultaneously with little difficulty.
* BigBrotherInstinct: Kurono's younger sister Hikaru was the world to her, and she was determined to help Hikaru master the sword. Unfortunately, said protective instinct became murderous, and even in death she's more than willing to strike out at those she feels hurt her sister.
* BloodKnight: The prospect of a duel against another swordsman is enough to rile Kurono up, and she's hellbent on finishing any fight she's involved in.
* DualWielding: Kurono is proficient enough with the sword that she can wield two katanas simultaneously with ease.
* HandicappedBadass: As powerful as she is, Kurono is hampered by the fact that she's using Hikaru's weaker body. As a result, she needs to watch how long and hard she fights to avoid breaking her beloved sister.
* KillingIntent: When facing Sendou, the Kurono personality emits a killing intent that is so potent that Sendou feels like he's being eviscerated even though Kurono is only wielding a wooden sword.
* MasterSwordsman: Kurono is an absolute beast of a swordswoman and one of the greatest physical threats Kuroko ever faced. Even with the help of explosives and snipers, Kuroko is often forced to go on the defensive against Kurono's terrifying swordsmanship.
* SplitPersonality: The Kurono responsible for the killings is actually a split personality of Hikaru, born from Hikaru's guilt over accidentally killing her. She'll occasionally take over her sister's body in order to kill.

[[folder:Hazuki Sendou]]

!!Hazuki Sendou

The main antagonist of the "Magic-Bullet Archer" arc, Hazuki Sendou is a young man whose skills with the rapier have been likened to a demon. When a body completely riddled with holes is discovered, he becomes the prime suspect.

* TheBerserker: The leader of the Raijou gang noticed that after Sendou lost against Zenpachi, his fighting style became much more brutal, even describing him changing from a "chivalrous knight" to a "wild beast."
* BloodKnight: Sendou loves fighting so much that he's often seen sporting an erection when he goes in for the kill.
* TheDreaded: Due to his frightening skills with the rapier and the brutality he inflicted on his opponents, Sendou's presence in the Raijou gang was enough to make other gangs hesitant to challenge the Raijou. Even the leader of the Raijou gang was terrified of him.
* LockedIntoStrangeness: When he faces off against Hikaru, [[spoiler:the Kurono personality's killing intent scares him so much that his hair changes from black to white and he's reduced to a screaming wreck]].
* MasterSwordsman: Even at a young age, Sendou is practically unmatched when it came to fencing. His pinpoint accuracy and brutal fighting style made him feared in the underworld. While his talents are not as great as Kurono Miyamoto's, he is still a force to be reckoned with.
* WouldHitAGirl: Sendou is more than willing to kill women. His first appearance has him attacking Chiyo completely unprovoked, and he later tried to kill Hikaru after mistaking her for her older sister Kurono.

[[folder:Yuusuke Arima]]

!!Yuusuke Arima

The main antagonist of the "Punishing Love" arc, Yuusuke Arima is a murderer who targets families with daughters. He recently kidnapped Noel, a transfer student at Rinko's elementary school, with the intention of having her become someone named "Tsumugi."

* ForcedToWatch: Arima inflicts this on the father of the last family he killed. He forced the father to watch as he tortured the daughter to death, and then finished off the father by strangling him.
* HalfTheManHeUsedToBe: His ultimate fate is [[spoiler:being bifurcated vertically by Rinko]].
* ReplacementGoldfish: He intends for Noel to become a replacement for his daughter, Tsumugi. [[spoiler:She is not the first girl he tried this on, as the police realize upon stumbling on a little girl's corpse]].
* TragicDream: What he wants most is to [[spoiler:take his whole family to see Mount Fuji, as it was his daughter's dream. Unfortunately, said daughter was abducted and killed by the Rainy Day Killer. Even in his current state, Arima still wants to try to fulfill the dream somehow, and ends up taking the kidnapped Noel to R'Lyeh Tower to sightsee]].
* TragicVillain: As abhorent as he is, Arima is ultimately [[spoiler:a man who could not move on from the death of his daughter. His last moments are spent remembering the promise he couldn't keep with her and lamenting her loss]].
* WouldHurtAChild: At the beginning of the arc, the police discover the crime scene of his most recent murders. They note that the young daughter of the family was tortured before she died, probably as a way to torment the father.

[[folder:The Mastermind (Unmarked Spoilers!)]]

!!Hakua Satori

The woman behind almost every single major crime that Kuroko investigates in the series. She is the granddaughter of Hyoue Satori and currently works as the director of Ruruie Medical Prison.

* EvilCripple: Though blind and missing both of her arms, she is nevertheless a very dangerous individual and indirectly responsible for most of the horrific crimes in the series.
* EyesAlwaysShut: Her eyes are always closed to show that she's blind.
* NeverFoundTheBody: Her body was never found at the site of her parents' murder. The police still assumed she was dead because they found three people's worth of blood at the scene of the crime, and they didn't think a blind and armless ten-year-old girl could've survived such an attack.
* SoleSurvivor: Hakua is the only survivor of the incident that resulted in the murder of her parents.

* CoverPervert: She looks normal at first, but she met Kuroko in an erotic online game.

* CharacterizationMarchesOn: She displayed certain sexual interest towards Hinako early on. She also mellows out as the series goes on and starts taking her relationship with Chiyo more seriously.

* AmbiguouslyLesbian: During the "Rose-Colored Prison" Arc, she says that she's not a lesbian, [[IfItsYouItsOkay simply that Kuroko's "special"]]. Her opponent doesn't buy it at all.

* PottyFailure: She pisses herself when [[spoiler: she walks in on Ringo murdering a man]].

* AbusiveParents: Her grandma apparently used to beat her up.

[[folder:Sora Kitakami]]

[[folder:Hibari Kitakami]]

* AbsurdlyYouthfulMother: Can't be older than 30.

[[folder:Reisen Anko/Shizuka Matsumae]]

* DefeatMeansFriendship: After fighting Kuroko and Rinko, and turning herself in, she joins the main cast, developing a strong bond with Ringo. Lampshaded by Urara.

* PromotionToParent: She becomes a mother figure to Ringo.

[[folder:Anko/Shizuka Matsumae]]

* AbussiveParents: An omake illustration shows he was brutally beaten up by his father as a child.

* Gonk: He looks like a meth addict, with a skeletal body, sunken eyes, creepy smile, and a weird way of walking.

* MadBomber: [[spoiler: She planted a bomb on the school before her plans were interfered by Marie.]]
* {{Meganekko}}: Of the shy and quiet variety.

* {{Yandere}}: [[spoiler: Towards Fuuri, whom she was planning to kill. She eventually is satisfied with raping her.]]

Leader of a gang of bullies who torment Minako.

* SchoolgirlLesbians: [[spoiler: She develops a twisted relationship with Minako after being raped by her.]]

* WouldHurtAChild: He killed a Diet member's son alongside him.

%%* TheBusCameBack

!!Criminals

[[folder:Psych Ward Escapee]]

[[quoteright:283:https://static.tvtropes.org/pmwiki/pub/images/train_killer.jpg]]

The villain of the pilot chapter, the unnamed patient of the local psych ward escaped and went on a killing spree. Kuroko took him down in a single chapter by proving she was the better killer.

* AttentionWhore: Kuroko considers him to be this; an amateur killer with no finesse who only wants ot be in the spotlight, to the point of calling the police to report his own location.
* AxeCrazy: He has a perpetually crazed expression on his face, and he's passionate about killing and mutilating people.
* LudicrousGibs: Kuroko ensures this is all that remains of his body so he can't be identified.
* NoNameGiven: He isn't given a name in the story.
* OffWithHisHead: He is introduced decapitating several dozen people in a train.
* RazorFloss: His weapon of choice.
* SlasherSmile: His default expression.
* StarterVillain: Dangerous and formidable as he is, he's just a warm-up to the long list of even deadlier villains Kuroko and gang have to deal with.
* WickedCultured: Massacres people while singing 'Ode to Joy' [[GratuitousGerman in German]].

[[folder:Tasuku Iimura]]

!!Tasuku Iimura

[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/iimura.jpg]]

The villain of "The Cost of Strength" chapters. A former wrestler, he turned to doping, thinking that if he was stronger, his fans would watch him again. Unfortunately, the drug he used made him more beast than man...

* BoomHeadshot: Kuroko had to shoot point-blank into [[AttackItsWeakPoint the back of his head]] to put him down.
* {{Face}}: He originally played this role in pro wrestling. Even in his doped-up state, he hallucinates that his victims are actually wrestlers playing the {{Heel}} role, and bystanders are the audience.
* FeelsNoPain: The drug Cesare has a side effect where users lose all sense of pain. This is best seen when he attempts to stop a speeding car and doesn't react to his bones literally being shoved out of his skin.
* FriendToAllChildren: Before his drug problem.
* ImmuneToBullets: In his drugged-up state, bullets simply bounce off his skin, as several unfortunate police officers discovered.
* NoNameGiven: His name isn't revealed until an end-of-volume page. In Kuroko's own words:
-->'''Kuroko''': Our target is a former wrestler and druggy. His name doesn't matter.
* SuperStrength: What Cesare has granted him. He is even capable of literally tearing people in half.
* TragicMonster: When sane, he wasn't a bad guy, and an extra page even shows that he was a FriendToAllChildren. Unfortunately, doping has reduced him to little more than a savage monster.

[[folder:Hyoue Satori]]

!!Hyoue Satori

[[quoteright:316:https://static.tvtropes.org/pmwiki/pub/images/satori_3.jpg]]

The ArcVillain of the "Murder Party" Arc, Satori is an old man who has built a gigantic manor and invited several people, who he deemed criminals, there to party. However, he has rigged the manor with all manners of death traps, intending to kill each and every one of his guests. [[spoiler: He is eventually killed by Reiko]].

* AllCrimesAreEqual: He evidently believes this. Violent crimes, white-collar crimes, and even shoplifting are all enough to make one deserving of an invitation to his murder party.
* BlackEyesOfEvil: His eyes are pitch-black in color, giving him a rather unnerving look.
* EvenEvilHasLovedOnes: His love for his family was genuine, and their deaths turned him into the man he is today.
* EvilCripple: Needs a wheelchair
* EvilOldFolks: This man looks more like a mummy than a human being.
* Fiction500: He spent over 100 billion yen (10^11) to build his mansion filled with death traps.
* KnightTemplar: He is determined to make sure criminals pay for their crimes, and his method of doing so is having them butchered. He also believes that God will save those who are innocent, so there's no need to feel bad for those who die.
* NonActionBigBad: He's extremely old and wheelchair-bound, so he leaves the fighting to Yukari while he limits himself to pressing buttons to activate traps.
* PayEvilUntoEvil: He gathers criminals from all over Japan and has them killed in order to make Japan a better place.
* RoaringRampageOfRevenge: His daughter, son-in-law, and granddaughter were killed by criminals. As a result, he decided that he would kill every criminal he could get his hands on.
* SerialKiller: Although not quite a SerialKillerKiller since he kills people who have commited all sorts of crimes. He also doesn't consider himself a killer as he has never directly killed anyone, only put them in deadly traps.
* SuperWheelchair: His wheelchair has several machine guns built into it, but he gets crushed by Hinako dropping a boat on him before getting a chance to use them.
* TheLostLenore: First his wife, and then the rest of his family, which sunk him into a depression of which he was pulled out by Yukari and her suggestion of holding "parties" to massacre criminals.
* UnwittingPawn: Possibly of [[spoiler: his granddaughter]].

[[folder:Takeru Asagi]]

!!Takeru Asagi

[[quoteright:294:https://static.tvtropes.org/pmwiki/pub/images/takeru_9.jpg]]

One of the antagonists of the "D-K Domestic Killer" Arc. Born Toshiyuki Asada as the son of a Diet Member, Takeru used to be a SerialKiller known as the 'Skin Collector.' Supposedly reformed and now the head of the Asagi Electric company, he has become a person of interest once bodies with their faces peeled off begin turning up again.

* AbsurdlySharpBlade: A vibrating knife mde his company that can cut through anything with no resistance.
* EvenEvilHasLovedOnes: Despite being a dangerous killer, [[spoiler:his love for his family was genuine, if a bit twisted. He even took the blame for his wife's death in order to protect the true culprit: his daughter.]]
* FaceStealer: His M.O. was taking the faces of his victims. [[spoiler:Rinko has taken this up as well.]]
* KnifeNut: His weapon of choice, perfect for taking the faces of his victims.
* ReformedCriminal: A former SerialKiller who is now the owner of a company. [[spoiler:He's still a vicious fighter and his murderous impulses are still there.]]
* SerialKiller: He used to kill women and take their faces. [[spoiler:The discovery of bodies of men and children without faces is a clue that he is not responsible for the recent murders.]]
* SnuffFilm: He kept a collection of videos of his own murders, which was eventually discoverd by his daughter.
* SoProudOfYou: A twisted version. [[spoiler:He's proud that his little Rinko has learned to kill, just like her dad, even when her first victim was his own wife/her own mother. Kuroko noted how it's the ultimate narcissism, to see one's offspring have become like themselves.]]

[[folder:Gold Marie]]

!!Yoshino Koganei

[[quoteright:255:https://static.tvtropes.org/pmwiki/pub/images/gold_marie.jpg]]

The main antagonist of the "Rose-Colored Prison" Arc, Gold Marie is a member of the Virginal Rose cult. A serene-looking woman, her gentle smile hides some rather dark secrets.

* DissonantSerenity: She rarely loses her temper, [[EyesAlwaysShut opens her eyes]] or raises her voice. This only serves to make her all the more uncanny once the darker aspects of Virginal Rose start to emerge.
* DoesNotLikeMen: A particularly horrifying example. She was raped when she was younger, and the rape caused her to see men as filthy creatures. [[spoiler:This dislike also caused her to mutilate and alter her own younger brother to be more woman-like.]]
* GagBoobs: Has an impressive bust, making it easy for her to seduce Kuroko.
* HoistByHisOwnPetard: [[spoiler: Gets impaled by her own pendulum scythe]]
* NotQuiteDead: [[spoiler:In the "Till Death Do Us Part" arc, it's revealed she barely survived getting hit by her own scythe, and what's left of her body had been sewn onto her younger brother by Hakua. Narumi finally puts an end to her suffering at the end of the arc.]]
* RapeAsBackstory: She was raped by three men when she was younger. [[spoiler:They paid for it with their lives.]]
* YouHaveFailedMe: She "[[ReleasedToElsewhere graduates]]" one of her members for spilling a bag of fertilizer.

[[folder:Rose Marie (Unmarked spoilers!)]]

!!Kicho Koganei

[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/rosemarie.jpg]]

Rose Marie is, at first glance, the leader of the Virginal Rose cult. However, Rose Marie is actually Gold Marie's younger brother, having been mutilated to be more woman-like due to Gold Marie's trauma over being raped.

He makes a return as the main antagonist of the "Till Death Do Us Part" arc, having devolved into a rabid beast with a horrific hunger for blood. He lurks in the sewers and drags in unfortunate victims to feast on.

* {{Bloodlust}}: In the "Till Death Do Us Part" arc, he kills people to drain them of blood. This is because he has his older sister sewn onto him with blood constantly leaking from her eyes, requiring him to replenish the lost blood through his feeding.
* BodyHorror: The reveal of his lower half shows that his genitals have been sliced off, leaving a horrific scar between his legs. When he reappears in the "Till Death Do Us Part" arc, he has part of his older sister sewn onto his back.
* HoneyTrap: His role in the revenge plot against his sister's rapists. He dressed up as a beautiful girl to lure them in and kill them.
* RoaringRampageOfRevenge: After his sister had been raped, he helped her get revenge on her rapists by dressing up as a girl to get them to lower their guard so that she could stab them all to death.
* RunningOnAllFours: In the "Till Death Do Us Part" arc, he moves around on all fours at terrifying speed, emphasizing how his mind has degenerated into that of an animal following its most basic instincts.
* TragicMonster: He started as a loving younger brother who wanted to help his sister get back at her rapists. However, his sister ends up mutilating him to look more like a woman due to her trauma, causing him to lose his mind in the process. He is later experimented on by Hakua and then tossed out after she deemed her experiment a failure. By the time Kuroko and the others find him, he has devolved into a feral animal who can't even remember who he used to be anymore.

[[folder:The Rainy Day Killer]]

!!Shouichi Kagimura

[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/kagimura.jpg]]

The main antagonist of the "Gap Between the Sky and I" Arc, the Rainy Day Killer is a hulking man who abducts little girls on rainy days and strangles them to death. He seems to be searching for someone...

* BeardOfEvil: One of his most distinguishing features is a long beard.
* BerserkButton: If there's one thing he hates more than anything, it's being lied to. It's heavily implied that he had been betrayed by people he trusted, which led to him feeling down and that one little girl giving him candy on that rainy day.
* CrazyHomelessPeople: He lives in an abandoned steelworks factory, and is a delusional serial killer.
* GreaterScopeVillain: His actions are the catalyst for the [[spoiler:"Punishing Love" arc; one of his victims is a little girl named Tsumugi, and Tsumugi's father would be so stricken by grief that he ended up abducting girls to become his daughter's substitute, becoming the BigBad of the arc]].
* ImpaledWithExtremePrejudice: [[spoiler:Kuroko finally brings him down by impaling him with a steel girder.]]
* LivingDollCollector: He keeps the mummified corpses of his dozens of victims inside his warehouse.
* MadeOfIron: Even after [[spoiler:Rinko cuts both his arms off, stabs him with several knives, and lops one of his feet off]], he's still able to move. It takes [[spoiler:Kuroko slamming a steel girder through his body]] before he finally goes down for the count.
* MysteriousPast: All that's known about his past is that he was betrayed by one or more people in a matter regarding a job or contract, leaving him homeless.
* ObliviouslyEvil: He doesn't seem to fully comprehend the consequences of strangling little girls to death in anger. When he captures Sora, he presents her the corpses of his victims as "friends". His stat chart gives him a 5 in Abnormality, indicating a severe mental illness and detachment from reality.
* ScaryShinyGlasses: He wears a pair of glasses that hide his eyes to make him more intimidating.
* SerialKiller: He killed 47 little girls in his attempt to reunite with the little girl who showed him kindness many years ago.
* UnwittingPawn: [[spoiler: A chip found inside him indicates he's one of the many pawns used by "the mastermind".]]
* WouldHurtAChild: His victims are all little girls. This is because he's searching for a little girl who gave him kind words and a piece of candy many years ago.

[[folder:The Marimo Academy Bomber (Unmarked Spoilers!)]]

!!Marie Misaka

[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/marie_27.jpg]]

The main antagonist of the "School Destruction" Arc, Marie is a P.E. teacher at Marimo Academy. She feels murderous resentment towards Mari Mitsukura, the Academy Head.

* AlliterativeName: '''M'''arie '''M'''isaka. The head of the academy has the same alliteration, and a flashback shows that they started to become friends after recognizing this.
* AlwaysSecondBest: When they were younger, Marie felt that she was always second best compared to Mari. This feeling festered and led her to attempt to commit murder-suicide.
* GoryDiscretionShot: Minako kills her with Kuroko's encouragement using the pointy tip of a flag, but the act itself is not shown.
* GreenEyedMonster: She was consumed by jealousy for Mari, from how easily she obtained her position as director.
* MadBomber: After destroying the gym, she straps a bunch of dynamite to herself in order to kill herself and Mari.
* SchoolgirlLesbians: She was in a relationship with Mari back in school.
* SpannerInTheWorks: She happens to find Minako's explosives and decides to use them for her own revenge scheme.
* TakingYouWithMe: Marie's final explosion was meant to have two casualties: Mari and herself.
* WeUsedToBeFriends: Marie and Mari were once best friends, and a bonus image even showed that they were sexually intimate during their high school years. However, the difference between their abilities caused Marie's love to turn into something uglier, leading to her attempted murder-suicide.

[[folder:Toukichirou Higaki]]

!!Toukichirou Higaki

The main antagonist of the "Sakura of Oblivion" Arc, Higaki once led a right wing extremist group called the Senjin Lions. Now, after being broken out of prison by his loyal followers, he now leads an ultra-nationalist militia called the Ousen Group and has declared war against Japan's current government.

* DeathSeeker: It's eventually revealed that [[spoiler:dying in battle is his true goal, due to feeling guilty over not being able to fight and die for his country during World War II]].
* EvilOldFolks: Higaki grew up during World War II, and Japan's defeat forged him into the man he is today.
* ImprobableWeaponUser: He mainly fights by throwing nails with deadly force.

[[folder:Kurono Miyamoto (Unmarked Spoilers!)]]

!!Kurono Miyamoto

The main antagonist of the "Master Swordsman" Arc, Kurono Miyamoto is the oldest daughter of the Miyamoto family and a kendo prodigy. She was reported missing a few years ago, but has seemingly reappeared and is killing other kendo practitioners.

* TheAce: Kurono was an absolute prodigy when it came to the sword, something that her younger sister Hikaru both admired and felt discouraged by. When the Kurono split personality takes over Hikaru, she proves her skills are still top-notch by killing other highly skilled swordsmen and taking on both Kuroko and Rinko simultaneously with little difficulty.
* BigBrotherInstinct: Kurono's younger sister Hikaru was the world to her, and she was determined to help Hikaru master the sword. Unfortunately, said protective instinct became murderous, and even in death she's more than willing to strike out at those she feels hurt her sister.
* BloodKnight: The prospect of a duel against another swordsman is enough to rile Kurono up, and she's hellbent on finishing any fight she's involved in.
* DualWielding: Kurono is proficient enough with the sword that she can wield two katanas simultaneously with ease.
* HandicappedBadass: As powerful as she is, Kurono is hampered by the fact that she's using Hikaru's weaker body. As a result, she needs to watch how long and hard she fights to avoid breaking her beloved sister.
* KillingIntent: When facing Sendou, the Kurono personality emits a killing intent that is so potent that Sendou feels like he's being eviscerated even though Kurono is only wielding a wooden sword.
* MasterSwordsman: Kurono is an absolute beast of a swordswoman and one of the greatest physical threats Kuroko ever faced. Even with the help of explosives and snipers, Kuroko is often forced to go on the defensive against Kurono's terrifying swordsmanship.
* SplitPersonality: The Kurono responsible for the killings is actually a split personality of Hikaru, born from Hikaru's guilt over accidentally killing her. She'll occasionally take over her sister's body in order to kill.

[[folder:Hazuki Sendou]]

!!Hazuki Sendou

The main antagonist of the "Magic-Bullet Archer" arc, Hazuki Sendou is a young man whose skills with the rapier have been likened to a demon. When a body completely riddled with holes is discovered, he becomes the prime suspect.

* TheBerserker: The leader of the Raijou gang noticed that after Sendou lost against Zenpachi, his fighting style became much more brutal, even describing him changing from a "chivalrous knight" to a "wild beast."
* BloodKnight: Sendou loves fighting so much that he's often seen sporting an erection when he goes in for the kill.
* TheDreaded: Due to his frightening skills with the rapier and the brutality he inflicted on his opponents, Sendou's presence in the Raijou gang was enough to make other gangs hesitant to challenge the Raijou. Even the leader of the Raijou gang was terrified of him.
* LockedIntoStrangeness: When he faces off against Hikaru, [[spoiler:the Kurono personality's killing intent scares him so much that his hair changes from black to white and he's reduced to a screaming wreck]].
* MasterSwordsman: Even at a young age, Sendou is practically unmatched when it came to fencing. His pinpoint accuracy and brutal fighting style made him feared in the underworld. While his talents are not as great as Kurono Miyamoto's, he is still a force to be reckoned with.
* WouldHitAGirl: Sendou is more than willing to kill women. His first appearance has him attacking Chiyo completely unprovoked, and he later tried to kill Hikaru after mistaking her for her older sister Kurono.

[[folder:Yuusuke Arima]]

!!Yuusuke Arima

The main antagonist of the "Punishing Love" arc, Yuusuke Arima is a murderer who targets families with daughters. He recently kidnapped Noel, a transfer student at Rinko's elementary school, with the intention of having her become someone named "Tsumugi."

* ForcedToWatch: Arima inflicts this on the father of the last family he killed. He forced the father to watch as he tortured the daughter to death, and then finished off the father by strangling him.
* HalfTheManHeUsedToBe: His ultimate fate is [[spoiler:being bifurcated vertically by Rinko]].
* ReplacementGoldfish: He intends for Noel to become a replacement for his daughter, Tsumugi. [[spoiler:She is not the first girl he tried this on, as the police realize upon stumbling on a little girl's corpse]].
* TragicDream: What he wants most is to [[spoiler:take his whole family to see Mount Fuji, as it was his daughter's dream. Unfortunately, said daughter was abducted and killed by the Rainy Day Killer. Even in his current state, Arima still wants to try to fulfill the dream somehow, and ends up taking the kidnapped Noel to R'Lyeh Tower to sightsee]].
* TragicVillain: As abhorent as he is, Arima is ultimately [[spoiler:a man who could not move on from the death of his daughter. His last moments are spent remembering the promise he couldn't keep with her and lamenting her loss]].
* WouldHurtAChild: At the beginning of the arc, the police discover the crime scene of his most recent murders. They note that the young daughter of the family was tortured before she died, probably as a way to torment the father.

[[folder:The Mastermind (Unmarked Spoilers!)]]

!!Hakua Satori

The woman behind almost every single major crime that Kuroko investigates in the series. She is the granddaughter of Hyoue Satori and currently works as the director of Ruruie Medical Prison.

* EvilCripple: Though blind and missing both of her arms, she is nevertheless a very dangerous individual and indirectly responsible for most of the horrific crimes in the series.
* EyesAlwaysShut: Her eyes are always closed to show that she's blind.
* NeverFoundTheBody: Her body was never found at the site of her parents' murder. The police still assumed she was dead because they found three people's worth of blood at the scene of the crime, and they didn't think a blind and armless ten-year-old girl could've survived such an attack.
* SoleSurvivor: Hakua is the only survivor of the incident that resulted in the murder of her parents.

* [[BigBrotherBully BigSisterBully]]: Towards her brother Kanji, who is terrified of her.

[[quoteright:266:https://static.tvtropes.org/pmwiki/pub/images/sora_94.jpg]]

The last girl kidnapped by the Rainy Day Killer, and the only survivor.

!!Criminals

[[folder:Psych Ward Escapee]]

[[quoteright:283:https://static.tvtropes.org/pmwiki/pub/images/train_killer.jpg]]

The villain of the pilot chapter, the unnamed patient of the local psych ward escaped and went on a killing spree. Kuroko took him down in a single chapter by proving she was the better killer.

* AttentionWhore: Kuroko considers him to be this; an amateur killer with no finesse who only wants ot be in the spotlight, to the point of calling the police to report his own location.
* AxeCrazy: He has a perpetually crazed expression on his face, and he's passionate about killing and mutilating people.
* LudicrousGibs: Kuroko ensures this is all that remains of his body so he can't be identified.
* NoNameGiven: He isn't given a name in the story.
* OffWithHisHead: He is introduced decapitating several dozen people in a train.
* RazorFloss: His weapon of choice.
* SlasherSmile: His default expression.
* StarterVillain: Dangerous and formidable as he is, he's just a warm-up to the long list of even deadlier villains Kuroko and gang have to deal with.
* WickedCultured: Massacres people while singing 'Ode to Joy' [[GratuitousGerman in German]].

[[folder:Tasuku Iimura]]

!!Tasuku Iimura

[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/iimura.jpg]]

The villain of "The Cost of Strength" chapters. A former wrestler, he turned to doping, thinking that if he was stronger, his fans would watch him again. Unfortunately, the drug he used made him more beast than man...

* BoomHeadshot: Kuroko had to shoot point-blank into [[AttackItsWeakPoint the back of his head]] to put him down.
* {{Face}}: He originally played this role in pro wrestling. Even in his doped-up state, he hallucinates that his victims are actually wrestlers playing the {{Heel}} role, and bystanders are the audience.
* FeelsNoPain: The drug Cesare has a side effect where users lose all sense of pain. This is best seen when he attempts to stop a speeding car and doesn't react to his bones literally being shoved out of his skin.
* FriendToAllChildren: Before his drug problem.
* ImmuneToBullets: In his drugged-up state, bullets simply bounce off his skin, as several unfortunate police officers discovered.
* NoNameGiven: His name isn't revealed until an end-of-volume page. In Kuroko's own words:
-->'''Kuroko''': Our target is a former wrestler and druggy. His name doesn't matter.
* SuperStrength: What Cesare has granted him. He is even capable of literally tearing people in half.
* TragicMonster: When sane, he wasn't a bad guy, and an extra page even shows that he was a FriendToAllChildren. Unfortunately, doping has reduced him to little more than a savage monster.

[[folder:Hyoue Satori]]

!!Hyoue Satori

[[quoteright:316:https://static.tvtropes.org/pmwiki/pub/images/satori_3.jpg]]

The ArcVillain of the "Murder Party" Arc, Satori is an old man who has built a gigantic manor and invited several people, who he deemed criminals, there to party. However, he has rigged the manor with all manners of death traps, intending to kill each and every one of his guests. [[spoiler: He is eventually killed by Reiko]].

* AllCrimesAreEqual: He evidently believes this. Violent crimes, white-collar crimes, and even shoplifting are all enough to make one deserving of an invitation to his murder party.
* BlackEyesOfEvil: His eyes are pitch-black in color, giving him a rather unnerving look.
* EvenEvilHasLovedOnes: His love for his family was genuine, and their deaths turned him into the man he is today.
* EvilCripple: Needs a wheelchair
* EvilOldFolks: This man looks more like a mummy than a human being.
* Fiction500: He spent over 100 billion yen (10^11) to build his mansion filled with death traps.
* KnightTemplar: He is determined to make sure criminals pay for their crimes, and his method of doing so is having them butchered. He also believes that God will save those who are innocent, so there's no need to feel bad for those who die.
* NonActionBigBad: He's extremely old and wheelchair-bound, so he leaves the fighting to Yukari while he limits himself to pressing buttons to activate traps.
* PayEvilUntoEvil: He gathers criminals from all over Japan and has them killed in order to make Japan a better place.
* RoaringRampageOfRevenge: His daughter, son-in-law, and granddaughter were killed by criminals. As a result, he decided that he would kill every criminal he could get his hands on.
* SerialKiller: Although not quite a SerialKillerKiller since he kills people who have commited all sorts of crimes. He also doesn't consider himself a killer as he has never directly killed anyone, only put them in deadly traps.
* SuperWheelchair: His wheelchair has several machine guns built into it, but he gets crushed by Hinako dropping a boat on him before getting a chance to use them.
* TheLostLenore: First his wife, and then the rest of his family, which sunk him into a depression of which he was pulled out by Yukari and her suggestion of holding "parties" to massacre criminals.
* UnwittingPawn: Possibly of [[spoiler: his granddaughter]].
[[/folder]]

[[folder:Takeru Asagi]]

!!Takeru Asagi

[[quoteright:294:https://static.tvtropes.org/pmwiki/pub/images/takeru_9.jpg]]

One of the antagonists of the "D-K Domestic Killer" Arc. Born Toshiyuki Asada as the son of a Diet Member, Takeru used to be a SerialKiller known as the 'Skin Collector.' Supposedly reformed and now the head of the Asagi Electric company, he has become a person of interest once bodies with their faces peeled off begin turning up again.

* AbsurdlySharpBlade: A vibrating knife mde his company that can cut through anything with no resistance.
* EvenEvilHasLovedOnes: Despite being a dangerous killer, [[spoiler:his love for his family was genuine, if a bit twisted. He even took the blame for his wife's death in order to protect the true culprit: his daughter.]]
* FaceStealer: His M.O. was taking the faces of his victims. [[spoiler:Rinko has taken this up as well.]]
* KnifeNut: His weapon of choice, perfect for taking the faces of his victims.
* ReformedCriminal: A former SerialKiller who is now the owner of a company. [[spoiler:He's still a vicious fighter and his murderous impulses are still there.]]
* SerialKiller: He used to kill women and take their faces. [[spoiler:The discovery of bodies of men and children without faces is a clue that he is not responsible for the recent murders.]]
* SnuffFilm: He kept a collection of videos of his own murders, which was eventually discoverd by his daughter.
* SoProudOfYou: A twisted version. [[spoiler:He's proud that his little Rinko has learned to kill, just like her dad, even when her first victim was his own wife/her own mother. Kuroko noted how it's the ultimate narcissism, to see one's offspring have become like themselves.]]

[[folder:Gold Marie]]

!!Yoshino Koganei

[[quoteright:255:https://static.tvtropes.org/pmwiki/pub/images/gold_marie.jpg]]

The main antagonist of the "Rose-Colored Prison" Arc, Gold Marie is a member of the Virginal Rose cult. A serene-looking woman, her gentle smile hides some rather dark secrets.

* DissonantSerenity: She rarely loses her temper, [[EyesAlwaysShut opens her eyes]] or raises her voice. This only serves to make her all the more uncanny once the darker aspects of Virginal Rose start to emerge.
* DoesNotLikeMen: A particularly horrifying example. She was raped when she was younger, and the rape caused her to see men as filthy creatures. [[spoiler:This dislike also caused her to mutilate and alter her own younger brother to be more woman-like.]]
* GagBoobs: Has an impressive bust, making it easy for her to seduce Kuroko.
* HoistByHisOwnPetard: [[spoiler: Gets impaled by her own pendulum scythe]]
* NotQuiteDead: [[spoiler:In the "Till Death Do Us Part" arc, it's revealed she barely survived getting hit by her own scythe, and what's left of her body had been sewn onto her younger brother by Hakua. Narumi finally puts an end to her suffering at the end of the arc.]]
* RapeAsBackstory: She was raped by three men when she was younger. [[spoiler:They paid for it with their lives.]]
* YouHaveFailedMe: She "[[ReleasedToElsewhere graduates]]" one of her members for spilling a bag of fertilizer.

[[folder:Rose Marie (Unmarked spoilers!)]]

!!Kicho Koganei

[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/rosemarie.jpg]]

Rose Marie is, at first glance, the leader of the Virginal Rose cult. However, Rose Marie is actually Gold Marie's younger brother, having been mutilated to be more woman-like due to Gold Marie's trauma over being raped.

He makes a return as the main antagonist of the "Till Death Do Us Part" arc, having devolved into a rabid beast with a horrific hunger for blood. He lurks in the sewers and drags in unfortunate victims to feast on.

* {{Bloodlust}}: In the "Till Death Do Us Part" arc, he kills people to drain them of blood. This is because he has his older sister sewn onto him with blood constantly leaking from her eyes, requiring him to replenish the lost blood through his feeding.
* BodyHorror: The reveal of his lower half shows that his genitals have been sliced off, leaving a horrific scar between his legs. When he reappears in the "Till Death Do Us Part" arc, he has part of his older sister sewn onto his back.
* HoneyTrap: His role in the revenge plot against his sister's rapists. He dressed up as a beautiful girl to lure them in and kill them.
* RoaringRampageOfRevenge: After his sister had been raped, he helped her get revenge on her rapists by dressing up as a girl to get them to lower their guard so that she could stab them all to death.
* RunningOnAllFours: In the "Till Death Do Us Part" arc, he moves around on all fours at terrifying speed, emphasizing how his mind has degenerated into that of an animal following its most basic instincts.
* TragicMonster: He started as a loving younger brother who wanted to help his sister get back at her rapists. However, his sister ends up mutilating him to look more like a woman due to her trauma, causing him to lose his mind in the process. He is later experimented on by Hakua and then tossed out after she deemed her experiment a failure. By the time Kuroko and the others find him, he has devolved into a feral animal who can't even remember who he used to be anymore.

[[folder:The Rainy Day Killer]]

!!Shouichi Kagimura

[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/kagimura.jpg]]

The main antagonist of the "Gap Between the Sky and I" Arc, the Rainy Day Killer is a hulking man who abducts little girls on rainy days and strangles them to death. He seems to be searching for someone...

* BeardOfEvil: One of his most distinguishing features is a long beard.
* BerserkButton: If there's one thing he hates more than anything, it's being lied to. It's heavily implied that he had been betrayed by people he trusted, which led to him feeling down and that one little girl giving him candy on that rainy day.
* CrazyHomelessPeople: He lives in an abandoned steelworks factory, and is a delusional serial killer.
* GreaterScopeVillain: His actions are the catalyst for the [[spoiler:"Punishing Love" arc; one of his victims is a little girl named Tsumugi, and Tsumugi's father would be so stricken by grief that he ended up abducting girls to become his daughter's substitute, becoming the BigBad of the arc]].
* ImpaledWithExtremePrejudice: [[spoiler:Kuroko finally brings him down by impaling him with a steel girder.]]
* MadeOfIron: Even after [[spoiler:Rinko cuts both his arms off, stabs him with several knives, and lops one of his feet off]], he's still able to move. It takes [[spoiler:Kuroko slamming a steel girder through his body]] before he finally goes down for the count.
* MysteriousPast: All that's known about his past is that he was betrayed by one or more people in a matter regarding a job or contract, leaving him homeless.
* ObliviouslyEvil: He doesn't seem to fully comprehend the consequences of strangling little girls to death in anger. When he captures Sora, he presents her the corpses of his victims as "friends". His stat chart gives him a 5 in Abnormality, indicating a severe mental illness and detachment from reality.
* ScaryShinyGlasses: He wears a pair of glasses that hide his eyes to make him more intimidating.
* SerialKiller: He killed 47 little girls in his attempt to reunite with the little girl who showed him kindness many years ago.
* WouldHurtAChild: His victims are all little girls. This is because he's searching for a little girl who gave him kind words and a piece of candy many years ago.

[[folder:The Marimo Academy Bomber (Unmarked Spoilers!)]]

!!Marie Misaka

The main antagonist of the "School Destruction" Arc, Marie is a teacher at Marimo Academy. She feels murderous resentment towards Mari Mitsukura, the Academy Head.

* AlliterativeName: '''M'''arie '''M'''isaka. The head of the academy has the same alliteration, and a flashback shows that they started to become friends after recognizing this.
* AlwaysSecondBest: When they were younger, Marie felt that she was always second best compared to Mari. This feeling festered and led her to attempt to commit murder-suicide.
* TakingYouWithMe: Marie's final explosion was meant to have two casualties: Mari and herself.
* WeUsedToBeFriends: Marie and Mari were once best friends, and a bonus image even showed that they were sexually intimate during their high school years. However, the difference between their abilities caused Marie's love to turn into something uglier, leading to her attempted murder-suicide.

[[folder:Toukichirou Higaki]]

!!Toukichirou Higaki

The main antagonist of the "Sakura of Oblivion" Arc, Higaki once led a right wing extremist group called the Senjin Lions. Now, after being broken out of prison by his loyal followers, he now leads an ultra-nationalist militia called the Ousen Group and has declared war against Japan's current government.

* DeathSeeker: It's eventually revealed that [[spoiler:dying in battle is his true goal, due to feeling guilty over not being able to fight and die for his country during World War II]].
* EvilOldFolks: Higaki grew up during World War II, and Japan's defeat forged him into the man he is today.
* ImprobableWeaponUser: He mainly fights by throwing nails with deadly force.

[[folder:Kurono Miyamoto (Unmarked Spoilers!)]]

!!Kurono Miyamoto

The main antagonist of the "Master Swordsman" Arc, Kurono Miyamoto is the oldest daughter of the Miyamoto family and a kendo prodigy. She was reported missing a few years ago, but has seemingly reappeared and is killing other kendo practitioners.

* TheAce: Kurono was an absolute prodigy when it came to the sword, something that her younger sister Hikaru both admired and felt discouraged by. When the Kurono split personality takes over Hikaru, she proves her skills are still top-notch by killing other highly skilled swordsmen and taking on both Kuroko and Rinko simultaneously with little difficulty.
* BigBrotherInstinct: Kurono's younger sister Hikaru was the world to her, and she was determined to help Hikaru master the sword. Unfortunately, said protective instinct became murderous, and even in death she's more than willing to strike out at those she feels hurt her sister.
* BloodKnight: The prospect of a duel against another swordsman is enough to rile Kurono up, and she's hellbent on finishing any fight she's involved in.
* DualWielding: Kurono is proficient enough with the sword that she can wield two katanas simultaneously with ease.
* HandicappedBadass: As powerful as she is, Kurono is hampered by the fact that she's using Hikaru's weaker body. As a result, she needs to watch how long and hard she fights to avoid breaking her beloved sister.
* KillingIntent: When facing Sendou, the Kurono personality emits a killing intent that is so potent that Sendou feels like he's being eviscerated even though Kurono is only wielding a wooden sword.
* MasterSwordsman: Kurono is an absolute beast of a swordswoman and one of the greatest physical threats Kuroko ever faced. Even with the help of explosives and snipers, Kuroko is often forced to go on the defensive against Kurono's terrifying swordsmanship.
* SplitPersonality: The Kurono responsible for the killings is actually a split personality of Hikaru, born from Hikaru's guilt over accidentally killing her. She'll occasionally take over her sister's body in order to kill.

[[folder:Hazuki Sendou]]

!!Hazuki Sendou

The main antagonist of the "Magic-Bullet Archer" arc, Hazuki Sendou is a young man whose skills with the rapier have been likened to a demon. When a body completely riddled with holes is discovered, he becomes the prime suspect.

* TheBerserker: The leader of the Raijou gang noticed that after Sendou lost against Zenpachi, his fighting style became much more brutal, even describing him changing from a "chivalrous knight" to a "wild beast."
* BloodKnight: Sendou loves fighting so much that he's often seen sporting an erection when he goes in for the kill.
* TheDreaded: Due to his frightening skills with the rapier and the brutality he inflicted on his opponents, Sendou's presence in the Raijou gang was enough to make other gangs hesitant to challenge the Raijou. Even the leader of the Raijou gang was terrified of him.
* LockedIntoStrangeness: When he faces off against Hikaru, [[spoiler:the Kurono personality's killing intent scares him so much that his hair changes from black to white and he's reduced to a screaming wreck]].
* MasterSwordsman: Even at a young age, Sendou is practically unmatched when it came to fencing. His pinpoint accuracy and brutal fighting style made him feared in the underworld. While his talents are not as great as Kurono Miyamoto's, he is still a force to be reckoned with.
* WouldHitAGirl: Sendou is more than willing to kill women. His first appearance has him attacking Chiyo completely unprovoked, and he later tried to kill Hikaru after mistaking her for her older sister Kurono.

[[folder:Yuusuke Arima]]

!!Yuusuke Arima

The main antagonist of the "Punishing Love" arc, Yuusuke Arima is a murderer who targets families with daughters. He recently kidnapped Noel, a transfer student at Rinko's elementary school, with the intention of having her become someone named "Tsumugi."

* ForcedToWatch: Arima inflicts this on the father of the last family he killed. He forced the father to watch as he tortured the daughter to death, and then finished off the father by strangling him.
* HalfTheManHeUsedToBe: His ultimate fate is [[spoiler:being bifurcated vertically by Rinko]].
* ReplacementGoldfish: He intends for Noel to become a replacement for his daughter, Tsumugi. [[spoiler:She is not the first girl he tried this on, as the police realize upon stumbling on a little girl's corpse]].
* TragicDream: What he wants most is to [[spoiler:take his whole family to see Mount Fuji, as it was his daughter's dream. Unfortunately, said daughter was abducted and killed by the Rainy Day Killer. Even in his current state, Arima still wants to try to fulfill the dream somehow, and ends up taking the kidnapped Noel to R'Lyeh Tower to sightsee]].
* TragicVillain: As abhorent as he is, Arima is ultimately [[spoiler:a man who could not move on from the death of his daughter. His last moments are spent remembering the promise he couldn't keep with her and lamenting her loss]].
* WouldHurtAChild: At the beginning of the arc, the police discover the crime scene of his most recent murders. They note that the young daughter of the family was tortured before she died, probably as a way to torment the father.

[[folder:The Mastermind (Unmarked Spoilers!)]]

!!Hakua Satori

The woman behind almost every single major crime that Kuroko investigates in the series. She is the granddaughter of Hyoue Satori and currently works as the director of Ruruie Medical Prison.

* EvilCripple: Though blind and missing both of her arms, she is nevertheless a very dangerous individual and indirectly responsible for most of the horrific crimes in the series.
* EyesAlwaysShut: Her eyes are always closed to show that she's blind.
* NeverFoundTheBody: Her body was never found at the site of her parents' murder. The police still assumed she was dead because they found three people's worth of blood at the scene of the crime, and they didn't think a blind and armless ten-year-old girl could've survived such an attack.
* SoleSurvivor: Hakua is the only survivor of the incident that resulted in the murder of her parents.

Sora's mother. Decades ago, she offered a candy to a homeless man several decades ago, obliviously creating a monster.

!!Tasuku Iimura

* MadeOfSteel: Even after [[spoiler:Rinko cuts both his arms off, stabs him with several knives, and lops one of his feet off]], he's still able to move. It takes [[spoiler:Kuroko slamming a steel girder through his body]] before he finally goes down for the count.

[[quoteright:307:https://static.tvtropes.org/pmwiki/pub/images/hibari_2.jp

!!Virginal Rose

!!Shouichi Kazamura

* ImplacableMan: Even after [[spoiler:Rinko cuts both his arms off, stabs him with several knives, and lops one of his feet off]], he's still able to move. It takes [[spoiler:Kuroko slamming a steel girder through his body]] before he finally goes down for the count.

[[folder:Polina/Shiho]]

* AbusiveParents: Her father gave her a nasty scar on her left collarbone.

* FirstPersonPerson: Always calls herself Polina.

* ImpaledWithExtremePrejudice: [[spoiler: Her ultimate fate after "gradutation". She's impaled by a huge pendulum that rips her heart out, Rosemarie drinks her blood, and Gold Marie grounds her body into fertilizer.

* ParentaqlNeglect: Her parents never approved of her being an idol, so they didn't care when she ran away from home to join a cult.

* NeglectfulParents: Her parents never approved of her being an idol, so they didn't care when she ran away from home to join a cult.

!!Criminals

[[folder:Psych Ward Escapee]]

[[quoteright:283:https://static.tvtropes.org/pmwiki/pub/images/train_killer.jpg]]

The villain of the pilot chapter, the unnamed patient of the local psych ward escaped and went on a killing spree. Kuroko took him down in a single chapter by proving she was the better killer.

* AttentionWhore: Kuroko considers him to be this; an amateur killer with no finesse who only wants ot be in the spotlight, to the point of calling the police to report his own location.
* AxeCrazy: He has a perpetually crazed expression on his face, and he's passionate about killing and mutilating people.
* LudicrousGibs: Kuroko ensures this is all that remains of his body so he can't be identified.
* NoNameGiven: He isn't given a name in the story.
* OffWithHisHead: He is introduced decapitating several dozen people in a train.
* RazorFloss: His weapon of choice.
* SlasherSmile: His default expression.
* StarterVillain: Dangerous and formidable as he is, he's just a warm-up to the long list of even deadlier villains Kuroko and gang have to deal with.
* WickedCultured: Massacres people while singing 'Ode to Joy' [[GratuitousGerman in German]].

[[folder:Tasuku Iimura]]

[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/iimura.jpg]]

!!Tasuku Iimura

The villain of "The Cost of Strength" chapters. A former wrestler, he turned to doping, thinking that if he was stronger, his fans would watch him again. Unfortunately, the drug he used made him more beast than man...

* BoomHeadshot: Kuroko had to shoot point-blank into [[AttackItsWeakPoint the back of his head]] to put him down.
* {{Face}}: He originally played this role in pro wrestling. Even in his doped-up state, he hallucinates that his victims are actually wrestlers playing the {{Heel}} role, and bystanders are the audience.
* FeelsNoPain: The drug Cesare has a side effect where users lose all sense of pain. This is best seen when he attempts to stop a speeding car and doesn't react to his bones literally being shoved out of his skin.
* FriendToAllChildren: Before his drug problem.
* ImmuneToBullets: In his drugged-up state, bullets simply bounce off his skin, as several unfortunate police officers discovered.
* NoNameGiven: His name isn't revealed until an end-of-volume page. In Kuroko's own words:
-->'''Kuroko''': Our target is a former wrestler and druggy. His name doesn't matter.
* SuperStrength: What Cesare has granted him. He is even capable of literally tearing people in half.
* TragicMonster: When sane, he wasn't a bad guy, and an extra page even shows that he was a FriendToAllChildren. Unfortunately, doping has reduced him to little more than a savage monster.

[[folder:Hyoue Satori]]

!!Hyoue Satori

[[quoteright:316:https://static.tvtropes.org/pmwiki/pub/images/satori_3.jpg]]

The ArcVillain of the "Murder Party" Arc, Satori is an old man who has built a gigantic manor and invited several people, who he deemed criminals, there to party. However, he has rigged the manor with all manners of death traps, intending to kill each and every one of his guests. [[spoiler: He is eventually killed by Reiko]].

* AllCrimesAreEqual: He evidently believes this. Violent crimes, white-collar crimes, and even shoplifting are all enough to make one deserving of an invitation to his murder party.
* BlackEyesOfEvil: His eyes are pitch-black in color, giving him a rather unnerving look.
* EvenEvilHasLovedOnes: His love for his family was genuine, and their deaths turned him into the man he is today.
* EvilCripple: Needs a wheelchair
* EvilOldFolks: This man looks more like a mummy than a human being.
* Fiction500: He spent over 100 billion yen (10^11) to build his mansion filled with death traps.
* KnightTemplar: He is determined to make sure criminals pay for their crimes, and his method of doing so is having them butchered. He also believes that God will save those who are innocent, so there's no need to feel bad for those who die.
* NonActionBigBad: He's extremely old and wheelchair-bound, so he leaves the fighting to Yukari while he limits himself to pressing buttons to activate traps.
* PayEvilUntoEvil: He gathers criminals from all over Japan and has them killed in order to make Japan a better place.
* RoaringRampageOfRevenge: His daughter, son-in-law, and granddaughter were killed by criminals. As a result, he decided that he would kill every criminal he could get his hands on.
* SerialKiller: Although not quite a SerialKillerKiller since he kills people who have commited all sorts of crimes. He also doesn't consider himself a killer as he has never directly killed anyone, only put them in deadly traps.
* SuperWheelchair: His wheelchair has several machine guns built into it, but he gets crushed by Hinako dropping a boat on him before getting a chance to use them.
* TheLostLenore: First his wife, and then the rest of his family, which sunk him into a depression of which he was pulled out by Yukari and her suggestion of holding "parties" to massacre criminals.
* UnwittingPawn: Possibly of [[spoiler: his granddaughter]].

[[folder:Takeru Asagi]]

[[quoteright:294:https://static.tvtropes.org/pmwiki/pub/images/takeru_9.jpg]]

!!Takeru Asagi

One of the antagonists of the "D-K Domestic Killer" Arc. Born Toshiyuki Asada as the son of a Diet Member, Takeru used to be a SerialKiller known as the 'Skin Collector.' Supposedly reformed and now the head of the Asagi Electric company, he has become a person of interest once bodies with their faces peeled off begin turning up again.

* AbsurdlySharpBlade: A vibrating knife mde his company that can cut through anything with no resistance.
* EvenEvilHasLovedOnes: Despite being a dangerous killer, [[spoiler:his love for his family was genuine, if a bit twisted. He even took the blame for his wife's death in order to protect the true culprit: his daughter.]]
* FaceStealer: His M.O. was taking the faces of his victims. [[spoiler:Rinko has taken this up as well.]]
* KnifeNut: His weapon of choice, perfect for taking the faces of his victims.
* ReformedCriminal: A former SerialKiller who is now the owner of a company. [[spoiler:He's still a vicious fighter and his murderous impulses are still there.]]
* SerialKiller: He used to kill women and take their faces. [[spoiler:The discovery of bodies of men and children without faces is a clue that he is not responsible for the recent murders.]]
* SnuffFilm: He kept a collection of videos of his own murders, which was eventually discoverd by his daughter.
* SoProudOfYou: A twisted version. [[spoiler:He's proud that his little Rinko has learned to kill, just like her dad, even when her first victim was his own wife/her own mother. Kuroko noted how it's the ultimate narcissism, to see one's offspring have become like themselves.]]

[[folder:Gold Marie]]

[[quoteright:255:https://static.tvtropes.org/pmwiki/pub/images/gold_marie.jpg]]

!!Yoshino Koganei

The main antagonist of the "Rose-Colored Prison" Arc, Gold Marie is a member of the Virginal Rose cult. A serene-looking woman, her gentle smile hides some rather dark secrets.

* DissonantSerenity: She rarely loses her temper, [[EyesAlwaysShut opens her eyes]] or raises her voice. This only serves to make her all the more uncanny once the darker aspects of Virginal Rose start to emerge.
* DoesNotLikeMen: A particularly horrifying example. She was raped when she was younger, and the rape caused her to see men as filthy creatures. [[spoiler:This dislike also caused her to mutilate and alter her own younger brother to be more woman-like.]]
* GagBoobs: Has an impressive bust, making it easy for her to seduce Kuroko.
* HoistByHisOwnPetard: [[spoiler: Gets impaled by her own pendulum scythe]]
* NotQuiteDead: [[spoiler:In the "Till Death Do Us Part" arc, it's revealed she barely survived getting hit by her own scythe, and what's left of her body had been sewn onto her younger brother by Hakua. Narumi finally puts an end to her suffering at the end of the arc.]]
* RapeAsBackstory: She was raped by three men when she was younger. [[spoiler:They paid for it with their lives.]]
* YouHaveFailedMe: She "[[ReleasedToElsewhere graduates]]" one of her members for spilling a bag of fertilizer.

[[folder:Rose Marie (Unmarked spoilers!)]]

!!Kicho Koganei

Rose Marie is, at first glance, the leader of the Virginal Rose cult. However, Rose Marie is actually Gold Marie's younger brother, having been mutilated to be more woman-like due to Gold Marie's trauma over being raped.

He makes a return as the main antagonist of the "Till Death Do Us Part" arc, having devolved into a rabid beast with a horrific hunger for blood. He lurks in the sewers and drags in unfortunate victims to feast on.

* {{Bloodlust}}: In the "Till Death Do Us Part" arc, he kills people to drain them of blood. This is because he has his older sister sewn onto him with blood constantly leaking from her eyes, requiring him to replenish the lost blood through his feeding.
* BodyHorror: The reveal of his lower half shows that his genitals have been sliced off, leaving a horrific scar between his legs. When he reappears in the "Till Death Do Us Part" arc, he has part of his older sister sewn onto his back.
* HoneyTrap: His role in the revenge plot against his sister's rapists. He dressed up as a beautiful girl to lure them in and kill them.
* RoaringRampageOfRevenge: After his sister had been raped, he helped her get revenge on her rapists by dressing up as a girl to get them to lower their guard so that she could stab them all to death.
* RunningOnAllFours: In the "Till Death Do Us Part" arc, he moves around on all fours at terrifying speed, emphasizing how his mind has degenerated into that of an animal following its most basic instincts.
* TragicMonster: He started as a loving younger brother who wanted to help his sister get back at her rapists. However, his sister ends up mutilating him to look more like a woman due to her trauma, causing him to lose his mind in the process. He is later experimented on by Hakua and then tossed out after she deemed her experiment a failure. By the time Kuroko and the others find him, he has devolved into a feral animal who can't even remember who he used to be anymore.

[[folder:The Rainy Day Killer]]

!!Shouichi Kazamura

The main antagonist of the "Gap Between the Sky and I" Arc, the Rainy Day Killer is a hulking man who abducts little girls on rainy days and strangles them to death. He seems to be searching for someone...

* BeardOfEvil: One of his most distinguishing features is a long beard.
* BerserkButton: If there's one thing he hates more than anything, it's being lied to. It's heavily implied that he had been betrayed by people he trusted, which led to him feeling down and that one little girl giving him candy on that rainy day.
* GreaterScopeVillain: His actions are the catalyst for the [[spoiler:"Punishing Love" arc; one of his victims is a little girl named Tsumugi, and Tsumugi's father would be so stricken by grief that he ended up abducting girls to become his daughter's substitute, becoming the BigBad of the arc]].
* ImpaledWithExtremePrejudice: [[spoiler:Kuroko finally brings him down by impaling him with a steel girder.]]
* ImplacableMan: Even after [[spoiler:Rinko cuts both his arms off, stabs him with several knives, and lops one of his feet off]], he's still able to move. It takes [[spoiler:Kuroko slamming a steel girder through his body]] before he finally goes down for the count.
* ScaryShinyGlasses: He wears a pair of glasses that hide his eyes to make him more intimidating.
* SerialKiller: He killed 47 little girls in his attempt to reunite with the little girl who showed him kindness many years ago.
* WouldHurtAChild: His victims are all little girls. This is because he's searching for a little girl who gave him kind words and a piece of candy many years ago.

[[folder:The Marimo Academy Bomber (Unmarked Spoilers!)]]

!!Marie Misaka

The main antagonist of the "School Destruction" Arc, Marie is a teacher at Marimo Academy. She feels murderous resentment towards Mari Mitsukura, the Academy Head.

* AlliterativeName: '''M'''arie '''M'''isaka. The head of the academy has the same alliteration, and a flashback shows that they started to become friends after recognizing this.
* AlwaysSecondBest: When they were younger, Marie felt that she was always second best compared to Mari. This feeling festered and led her to attempt to commit murder-suicide.
* TakingYouWithMe: Marie's final explosion was meant to have two casualties: Mari and herself.
* WeUsedToBeFriends: Marie and Mari were once best friends, and a bonus image even showed that they were sexually intimate during their high school years. However, the difference between their abilities caused Marie's love to turn into something uglier, leading to her attempted murder-suicide.

[[folder:Toukichirou Higaki]]

!!Toukichirou Higaki

The main antagonist of the "Sakura of Oblivion" Arc, Higaki once led a right wing extremist group called the Senjin Lions. Now, after being broken out of prison by his loyal followers, he now leads an ultra-nationalist militia called the Ousen Group and has declared war against Japan's current government.

* DeathSeeker: It's eventually revealed that [[spoiler:dying in battle is his true goal, due to feeling guilty over not being able to fight and die for his country during World War II]].
* EvilOldFolks: Higaki grew up during World War II, and Japan's defeat forged him into the man he is today.
* ImprobableWeaponUser: He mainly fights by throwing nails with deadly force.

[[folder:Kurono Miyamoto (Unmarked Spoilers!)]]

!!Kurono Miyamoto

The main antagonist of the "Master Swordsman" Arc, Kurono Miyamoto is the oldest daughter of the Miyamoto family and a kendo prodigy. She was reported missing a few years ago, but has seemingly reappeared and is killing other kendo practitioners.

* TheAce: Kurono was an absolute prodigy when it came to the sword, something that her younger sister Hikaru both admired and felt discouraged by. When the Kurono split personality takes over Hikaru, she proves her skills are still top-notch by killing other highly skilled swordsmen and taking on both Kuroko and Rinko simultaneously with little difficulty.
* BigBrotherInstinct: Kurono's younger sister Hikaru was the world to her, and she was determined to help Hikaru master the sword. Unfortunately, said protective instinct became murderous, and even in death she's more than willing to strike out at those she feels hurt her sister.
* BloodKnight: The prospect of a duel against another swordsman is enough to rile Kurono up, and she's hellbent on finishing any fight she's involved in.
* DualWielding: Kurono is proficient enough with the sword that she can wield two katanas simultaneously with ease.
* HandicappedBadass: As powerful as she is, Kurono is hampered by the fact that she's using Hikaru's weaker body. As a result, she needs to watch how long and hard she fights to avoid breaking her beloved sister.
* KillingIntent: When facing Sendou, the Kurono personality emits a killing intent that is so potent that Sendou feels like he's being eviscerated even though Kurono is only wielding a wooden sword.
* MasterSwordsman: Kurono is an absolute beast of a swordswoman and one of the greatest physical threats Kuroko ever faced. Even with the help of explosives and snipers, Kuroko is often forced to go on the defensive against Kurono's terrifying swordsmanship.
* SplitPersonality: The Kurono responsible for the killings is actually a split personality of Hikaru, born from Hikaru's guilt over accidentally killing her. She'll occasionally take over her sister's body in order to kill.

[[folder:Hazuki Sendou]]

!!Hazuki Sendou

The main antagonist of the "Magic-Bullet Archer" arc, Hazuki Sendou is a young man whose skills with the rapier have been likened to a demon. When a body completely riddled with holes is discovered, he becomes the prime suspect.

* TheBerserker: The leader of the Raijou gang noticed that after Sendou lost against Zenpachi, his fighting style became much more brutal, even describing him changing from a "chivalrous knight" to a "wild beast."
* BloodKnight: Sendou loves fighting so much that he's often seen sporting an erection when he goes in for the kill.
* TheDreaded: Due to his frightening skills with the rapier and the brutality he inflicted on his opponents, Sendou's presence in the Raijou gang was enough to make other gangs hesitant to challenge the Raijou. Even the leader of the Raijou gang was terrified of him.
* LockedIntoStrangeness: When he faces off against Hikaru, [[spoiler:the Kurono personality's killing intent scares him so much that his hair changes from black to white and he's reduced to a screaming wreck]].
* MasterSwordsman: Even at a young age, Sendou is practically unmatched when it came to fencing. His pinpoint accuracy and brutal fighting style made him feared in the underworld. While his talents are not as great as Kurono Miyamoto's, he is still a force to be reckoned with.
* WouldHitAGirl: Sendou is more than willing to kill women. His first appearance has him attacking Chiyo completely unprovoked, and he later tried to kill Hikaru after mistaking her for her older sister Kurono.

[[folder:Yuusuke Arima]]

!!Yuusuke Arima

The main antagonist of the "Punishing Love" arc, Yuusuke Arima is a murderer who targets families with daughters. He recently kidnapped Noel, a transfer student at Rinko's elementary school, with the intention of having her become someone named "Tsumugi."

* ForcedToWatch: Arima inflicts this on the father of the last family he killed. He forced the father to watch as he tortured the daughter to death, and then finished off the father by strangling him.
* HalfTheManHeUsedToBe: His ultimate fate is [[spoiler:being bifurcated vertically by Rinko]].
* ReplacementGoldfish: He intends for Noel to become a replacement for his daughter, Tsumugi. [[spoiler:She is not the first girl he tried this on, as the police realize upon stumbling on a little girl's corpse]].
* TragicDream: What he wants most is to [[spoiler:take his whole family to see Mount Fuji, as it was his daughter's dream. Unfortunately, said daughter was abducted and killed by the Rainy Day Killer. Even in his current state, Arima still wants to try to fulfill the dream somehow, and ends up taking the kidnapped Noel to R'Lyeh Tower to sightsee]].
* TragicVillain: As abhorent as he is, Arima is ultimately [[spoiler:a man who could not move on from the death of his daughter. His last moments are spent remembering the promise he couldn't keep with her and lamenting her loss]].
* WouldHurtAChild: At the beginning of the arc, the police discover the crime scene of his most recent murders. They note that the young daughter of the family was tortured before she died, probably as a way to torment the father.

[[folder:The Mastermind (Unmarked Spoilers!)]]

!!Hakua Satori

The woman behind almost every single major crime that Kuroko investigates in the series. She is the granddaughter of Hyoue Satori and currently works as the director of Ruruie Medical Prison.

* EvilCripple: Though blind and missing both of her arms, she is nevertheless a very dangerous individual and indirectly responsible for most of the horrific crimes in the series.
* EyesAlwaysShut: Her eyes are always closed to show that she's blind.
* NeverFoundTheBody: Her body was never found at the site of her parents' murder. The police still assumed she was dead because they found three people's worth of blood at the scene of the crime, and they didn't think a blind and armless ten-year-old girl could've survived such an attack.
* SoleSurvivor: Hakua is the only survivor of the incident that resulted in the murder of her parents.

!!Narumi Momoyama

!!Murder Party

[[folder:Yukari]]

[[quoteright:168:https://static.tvtropes.org/pmwiki/pub/images/yukari_7.jpg]]

The loyal maid and servant of Hyoue Satori, Yukari was a friend of Satori's deceased daughter. She was the one who suggested the parties to lure in criminals and have them executed, and sent out the invites. But despite her demure appearance, she's also physically capable of defending herself and her master.

* AnArmAndALeg: Loses one of each during her fight with Kuroko. Her right arm is cut by a saw, and her left one is broken by Kuroko.
* BoobsofSteel: As is the case with most badass females in the series, she's well-endowed.
%%* TheBusCameBack
* DanceBattler: Engages in this in order to activate certain traps.
* FeelsNoPain: Which seems to be an acquired skill, and not something she was born with naturally.
* IOweYouMyLife: Says so to Miyuki, stating she would never harm the woman that stopped Kuroko from killing her.
* MortalityPhobia: Despite her inability to feel pain, she states she has no desire to die.
* MyMasterRightOrWrong: She unquestionably follows every order givem by her master [[spoiler: who may not be Satori.]]
* NinjaMaid: Takes care of the massive mansion that Hyoue Satori owns, and is a dangerous, difficult opponent that fights using trickery and illusions. All while wearing a full, frilly maid outfit.
* TheDragon: To Satori, being responsible for gathering criminals for his "murder parties", as well as the one who came up with the idea in the first place.
* WeakButSkilled: A practitioner of {{UsefulNotes/Aikido}}, allowing her to overpower more physically-capable opponents.

[[folder:Terumi Momoyama]]

[[quoteright:225:https://static.tvtropes.org/pmwiki/pub/images/momoyama.jpg]]

One of the criminals invited to the Murder Party, Momoyama is an underground fighter who was guilty of killing his opponent several times. He ends up being the first criminal ever to make it to Satori's office, but ends up losing against Yukari and another trap seemingly ends his life...

* AnArmAndALeg: Loses his left hand to Yukari, and then his entire right arm to one of the mansion's traps.
* ArrowCatch: With both hands and his mouth simultaneously.
* BarehandedBladeBlock: Right after the above ArrowCatch.
* BlatantLies: He claims the murder that ended his career was an accident, while he's clearly shown gleefuly tearing his opponent apart.
* CharlesAtlasSuperpower: Has superhuman strength and resistance from his illegal fighting carrer.
* DelinquentHair: He has a mohawk in order to emphasize his boisterous nature and tendency to leap into action. He loses this hairstyle after the events of the Murder Party arc, emphasizing his now calmer and less reckless personality.
* InvulnerableKnuckles: Able to punch through big heavy doors and several of the traps.
* NotQuiteDead: He was assumed dead after having various parts of his body dismembered and sent through another trapdoor. This turns out to have only given him amnesia and he returns later on.

[[folder:Cobalt Conrad]]

[[quoteright:316:https://static.tvtropes.org/pmwiki/pub/images/conrad_6.jpg]]

A physics professor, and one of the criminals invited to the Murder Party, Conrad is one of the five survivors of the slaughter that takes place in the foyer, and follows along with Kuroko. He ends up surviving the mansion and leaves with the others.

* AffablyEvil: A very cultured and amiable person even when he tortures people.
* BadassBookworm: Able to calculate the angle needed to deflect lasers back at themselves with shards of reflective glass, on the fly.
* ForScience: [[spoiler: He collects human brains to determine the cause of criminality.]]
* HiddenDepths: The reason he was selected to come to the Murder Party isn't explicitly stated, but given his collection of knives, there's clearly something more to him. [[spoiler:"The Deep One" Arc reveals that he's been collecting brains to see what makes criminals do what they do, and it's heavily implied that he killed some of the people he took brains from, including Tougo's wife Asahi]].
* KnifeNut: He carries around multiple copies of the same knife and takes great pride in their craftsmanship. He's able to pull out at least six without worrying about running low on his stock.

[[folder:Miyuki]]

[[quoteright:193:https://static.tvtropes.org/pmwiki/pub/images/miyuki_8.jpg]]

Originally a cute blonde Kuroko meets on the street when she was about to be raped by delinquents, Miyuki meets Kuroko once more at the Murder Party. She states that her only crime was minor shoplifting...

* MysteriousPast: There's definitely something up with Miyuki, but it's not made clear what she's done, precisely. Compared to the other criminals during the Murder Party arc, her supposed crime is so minor as to seem out of place. She also seems to have no regard for the danger around her.

!!Metropolitan Police Department

[[folder:Tougo Mitsurugi]]
An inspector and section manager for the Investigations Unit, Mitsurugi is in charge of keeping tabs on Kuroko. Originally part of the Special Assault Team, he was first on the scene during one of Kuroko's missions. Curious about why she was let off scot-free, he tried to dig into it, and was forced into being her overseer.

* CigaretteOfAnxiety: He's trying to quit, but keeps slipping back into the habit whenever Kuroko comes up.
* KickedUpstairs: He was punished for looking into why Kuroko was being used by the government, and taken out of his assault team to be her overseer.