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Sarayashiki Junior High
    Mr. Takenaka
Voiced by: Tomomichi Nishimura (JP), Brice Armstrong (EN)

The homeroom teacher of Yusuke and Keiko, who also overlooks Kuwabara; Takenaka holds good faith for the two boys and is willing to firmly discipline Yusuke and Kuwabara for the sake of their future.
  • Cool Old Guy: He's no fighter and doesn't appear very often, but it's still shown how he'll go the extra mile for his students, even the underachievers. The way he told off Akashi for corrupting Kuwabara's grades and allowing Okubo to keep his job cements him as such.
  • Determinator: Yusuke often ignores his advice and that's on a good day. Considering the likes of the other teachers' attitudes towards Yusuke, however, anyone else would have given up a long time ago.
  • Reasonable Authority Figure: Takenaka is the homeroom teacher of Yusuke, while simply a subject teacher of Kuwabara. Many readers have commonly mistaken him for the school principal but is in fact not.
  • Token Good Teammate: He's the only teacher of Sarayashki Junior High who Yusuke and Kuwabara respect. He's shown grieving at Yusuke's wake and reprimanding two teachers who were mocking the deceased student.

    Mr. Iwamoto & Mr. Akashi
Voiced by:
[Iwamoto] Minoru Inaba (JP), Ed Blaylock (EN), Mario Scarabelli (IT)
[Akashi] Ikuo Nishikawa (JP), Sean Schemmel (EN), Diego Sabre (IT)

A pair of contemptible teachers from Sarayashiki Junior High. They, mostly Iwamoto, repeatedly connive in order to expel any "cockroaches" they deem unworthy, namely Yusuke and Kuwabara.
  • Brainwashed and Crazy: Iwamoto is taken over by a Makai Insect during the Saint Beasts arc, and leads the hunt to try to kill Keiko.
  • Evil Teacher: Iwamoto steals students possessions and tries to pin the blame on Yusuke, Akashi arranges for thugs to attack Kuwabara in an attempt to get him expelled, and when Kuwabara passes a test that he needed to complete as a stipulation for Okubo keeping his after-school job, the two erase a correct answer so it'll look like he failed (in the anime at least; in the manga Akashi acts on his own).
  • Hate Sink: Both of them exist to be as unpleasant and unlikeable as possible. Iwamoto takes the cake as he's not above badmouthing Yusuke's mother in order to provoke him into a possible assault charge.
  • Jerkass: Both teachers are outright bullies at best and borderline criminals at worst.
  • Speak Ill of the Dead: The two are shown mocking Yusuke during his wake.

    Kirishima, Okubo, and Sawamura
Voiced by:
[Kirishima] Mitsuaki Madono (JP), Chris Cason (EN)
[Okubo] Hidenari Ugaki (JP), Kyle Hebert (EN)
[Sawamura] Eiji Sekiguchi (JP), Mike McFarland (EN)

The three best friends of Kuwabara.
  • Dub Name Change: Kirishima and Sawamura had their names changed to Miyamoto and Komada respectively in Funimation's dub. Okubo kept his name unaltered.
  • Flat Character: Kirishima and Sawamura don't have much to them. Okubo at least got fleshed out a little early on.
  • Laser-Guided Amnesia: They lose their memories of Mitarai's attack via Kurama's plant potions, avoiding getting them involved in future conflicts.
  • True Companions: Before he cemented this with Yusuke, Hiei, and Kurama, these three were such for Kuwabara. It was shown throughout the third episode where he suffered battering from school thugs but didn't fight back with Okubo's family life being at risk.

Genkai's Desciple Aspirants

A man claiming to be one of the last practitioners of ninjutsu who fought against Yusuke during the Rando story arc.
  • Bald of Awesome: He works as a VIP bodyguard for a living and managed to defeat his first opponent in Genkai's successor battle tournament. He also came dangerously close to beating Yusuke himself with his homing aura shurikens.
  • Highly Visible Ninja: He's most known for his powerful battle aura and EXPLODING SHURIKEN.
  • Hoist by His Own Petard: While being chased by his homing shurikens, Yusuke decided to make a last ditch charge at Kaze-maru while he was charging up a spirit energy palm blast. Yusuke ends up accidentally falling into the swamp and the shurikens that were chasing him end up locking themselves onto Kaze-maru's energy, resulting in his defeat.
  • Hollywood Tone-Deaf: He can't sing worth a damn but ends up getting the highest score on the karaoke game due to his immense amount of life energy and spiritual aura.
  • Non-Nazi Swastika: An editor's note in the first chapter he appears in refers to the mark on his head as a Buddhist Manji.


A master of multiple martial art disciplines that served as Yusuke's first opponent in Genkai's successor battle tournament.
  • Blindfolded Vision: Taken Up to Eleven with his special battle helmet that dulls most of his senses in exchange for highly increased spiritual awareness.
  • Cool Helmet: He uses a specialized piece of headgear to gain an edge over Yusuke during their fight.
  • Genius Bruiser: He seems like just another tough musclehead at first but then reveals he had a near perfect plan to beat Yusuke with his special battle helmet.
  • Rugged Scar: He has several running along his cheeks and eyebrows.
  • Thrill Seeker: Implied. His given reason for attempting to become Genkai's successor is a desire to test his own limits while most of the other fighters simply want to learn her powerful secret techniques.


A powerful demon hunter who fights Kuwabara with an enchanted wooden sword during Genkai's successor battle tournament.
  • Eyepatch of Power: He wears an eyepatch and has made it to the final test of Genkai's successor trials, though he ultimately loses to Kuwabara.
  • Hoist by His Own Petard: Bringing a powerful charmed artifact against someone with such a potent sixth sense leads to his undoing.
  • Master Swordsman: His name might even be a reference to the legendary samurai Miyamoto Musashi himself.
  • Wooden Katanas Are Even Better: He uses a sacred wooden katana that was cut from a 1000 year old tree and polished with holy water against Kuwabara. Arguably a deconstruction of the trope, as the sword not only easily breaks when smacked against his opponet but a fragment allows Kuwabara to awaken his inner power and win the match.


A mystery man from China. Not much else is known about him.
  • Acrofatic: Heavily implied. He's very short and chubby but manages to clear the demon forest in two hours like the other finalists and is able to inflict some damage on Shaolin before being defeated — unless Shaolin did them to himself.
  • Badass Mustache: Though he quickly loses in the finals (to be fair, his opponent was a super powerful demon) he does manage to at least clear the demon forest and scored passing grades on all three of the arcade tests.
  • Flat Character: He gets a brief introduction and... dies in his first fight, completely offscreen, in about six seconds.
  • We Hardly Knew Ye: He is the second fighter to be killed off and doesn't really get any characterization beyond being a mysterious man from China.


An assassin who is highly skilled with knives.
  • Affably Evil: He comes across as formal and polite during his extremely brief amount of screen time, asking Genkai if she's sure he's allowed to use lethal force in the tournament. Offscreen, he's a contract killer.
  • Four Eyes, Zero Soul: He wears large glasses is the only outright evil member of the eight finalists aside from Rando.
  • Knife Nut: Flips a pair of daggers while brandishing them before he walks into battle. He's extremely aggressive in combat, landing several blows on the highly skilled Kaze-Maru before he gets blown away with an energy wave.
  • Mr. Exposition: He largely exists to question Genkai and have her clarify that she'll teach the ultimate victor regardless of profession or intent, showing that Rando has a very real chance of claiming Genkai's power and that the stakes are getting serious for Yusuke and the others.
  • We Hardly Knew Ye: He gets killed off by Kaze-Maru during the first match of the finals.

Dark Tournament Personnel
Voiced by: Ai Orikasa (JP), Amber Cotton (EN), Daniela Benítez and Marisol Castro (Latin America), Alessandra Felletti (IT)

The more prominent of the two hostesses of the Dark Tournament. Koto resembles a cat or a fox. At the end of the manga, the two and Ruka, the nurse of the Dark Tournament, become the "Cult Trio" and become widely popular on human television. At the end of the manga, Koto hinted she has a crush on Toya.
  • Blood Knight: Played with. She loves the carnage of the Dark Tournament, providing cheerful commentary in regards to every snap of bone and splatter of blood. On the other hand, she never fights herself, and she dislikes it when the violence she so loves comes to her.
  • Cat Girl: Or Fox Girl (it's ambiguous as to what animal-type demon she is). In the English dub, Yusuke calls her a fox girl, and there's the Dub Text to boot.
  • Combat Commentator: She first provided media coverage for the Dark Tournament.
  • Cute Monster Girl: A cat/fox-girl announcer.
  • Dub Text: The dub gave her a crush on Kurama, or at least on his demon form.
  • Everyone Has Standards: Although she usually comes off as amoral, she does object to the dirty methods used by two of Team Masho's members, expressing particular disgust at the way Bakken beats up on Kurama when the latter was clearly not in a condition to fight. She also goes surprisingly out of her way to save Juri from the Dragon of the Darkness Flame during Hiei and Bui's fight.
  • Little Bit Beastly: She has cat (or maybe fox) ears and a tail, as a sign that she's not remotely human.
  • Plucky Girl: Koto takes her job VERY seriously and continues to commentate even when the arena is falling apart around her.

Voiced by: Katsuyo Endou (JP), Jamie Marchi (EN), Marisol Castro (Latin America), Emanuela Pacotto (IT)

The second of the two hostesses of the Dark Tournament, introduced in the Semi-finals. Juri resembles an amphibian. At the end of the manga, Juri hinted she has a crush on Suzuki.
  • Bare Your Midriff: Wears a one-piece outfit with a large section around her belly cut out.
  • Butt-Monkey: She goes through all sorts of mishaps as ref compared to Koto. Among other things, she's reduced to a child by Uraurashima, nearly gets devoured by the souls Shishiwakamaru unleashes, is almost blown to smithereens by Karasu, and comes close to being fried by Hiei's Dragon Flame.
  • The Cameo: While not as prominent as Koto's return, Juri does make a return during the Demon World tournament arc in Season 4 Episode 105 "The Preliminaries", albeit we only see her character model from behind in a blink-and-you'll-miss-it moment.
  • Combat Commentator: She also provided media coverage for the Dark Tournament.
  • Cry Cute: Oh, cry very, very cute.
  • Cute Monster Girl: A dragon-girl referee.
  • Must Not Die a Virgin: Dub-only, but hilariously invoked when she thinks she's going to be killed in the collapsing stadium.
  • Punch-Clock Villain: Doesn't enjoy the job too much (given her cowardly nature), and prefers to look out for herself when the collateral damage becomes dangerous.
  • Unexpected Virgin: This is Koto's reaction to hearing the news, as she assumed Juri's stint in the cocktail lounge suggested otherwise.

Voiced by: Chiharu Suzuka (JP, TV Anime), Hana Takeda (JP, 100% Maji Battle), Laurie Steele (EN), Patrizia Mottola (IT)

Part of Team Mashōtsukai more or less. She can create barriers and tries to restrain Hiei and Genkai for several matches. At the end of the manga, Ruka hinted she has a crush on Jin.
  • Barrier Warrior: She's known in the demon realm for her powerful barriers. But her powers are defense focused, the best she can do as an offensive move is to trap people inside of her barriers.
  • Break the Haughty: Starts out arrogant but as Hiei gathers strength her nerve starts leaving her, then her cords start shredding.
  • Containment Field: She lures Hiei and Genkai into her tent under the guise of a medical check, only to trap them both inside in one of her barriers and merely touching the periphery of the barrier can harm them. Eventually, Hiei becomes strong enough that he manages to break it down but by exerting his power.
  • Defeat by Modesty: Started to go this route when Hiei starts exerting his restored energy and starts breaking free of her barrier, with the enchanted cords she's wearing also starting to break, implying she will be rendered nude once he fully breaks out and she starts having a Naked Freak-Out. Lucky for her, Kuwabara won before all of her cords were destroyed.
  • Evil Redhead: Though more like Jerkass Redhead as she was simply a Punch-Clock Villain overall.
  • Fanservice Model: In the manga epilogue, she becomes a model (In-Universe) as part of the "Cult Trio" with Koto and Juri.
  • Flung Clothing: She takes off her Naughty Nurse Outfit by flinging it off in one montion.
  • Head-Turning Beauty: About every man's reaction to first seeing her. Even better she first steps out in a Naughty Nurse Outfit into her Stripperiffic outfit made only of cords.
  • Hoist by His Own Petard: Or in her case Hoist by her own cords, but narrowly averted. While she was able to able to restrain Hiei and Genkai behind her barrier, it also had an unbeknownst healing effect which Hiei benefitted from. Had Yukina not shown up at the right time, Ruka's life would have ended almost immediately after.
  • Irony: She isn't a nurse at all, but her barrier ability happens to have healing properties she wasn't aware of.
  • Ms. Fanservice: She's extremely attractive and wears a Naughty Nurse Outfit and a Stripperiffic outfit in her brief appearance. The camera also loves giving a pan upshot of her body.
  • Peek-a-Bangs: Her hair is always covering on of her eyes.
  • Punch-Clock Villain: Was hired by Butajiri to pose as a nurse and deem Hiei and Genkai as unfit to participate in the match between Team Urameshi and Team Masho, and then to enforce it by trapping them in one of her barriers.
  • Squishy Wizard: While she can create barriers to protect herself or contain others, if her cords are destroyed, she will be left vulnerable to being killed.
  • Stripperiffic: Starts out in a nurse uniform, strips it off to just cords around her chest and hips, along with high heels and hat. Apparently they can only work uncovered.
  • Twisted-Knee Collapse: She does this after Team Masho loses their match and her barrier disappears.
  • What Happened to the Mouse?: In the anime, she never shows again after the barrier wears out. In the manga, she only shows up in the epilogue going into an Earth modeling business with Koto and Juri.
  • You Gotta Have Blue Hair: She has long pink hair.

Persons related to Raizen
    The Lady Doctor
Voiced by: Mika Doi (JP), Colleen Clinkenbeard (EN)

A human woman from Raizen's past. And Yusuke's ancestor.
  • Aloof Dark-Haired Girl: She was a tall and beautiful woman with long dark hair and a no-nonsense attitude.
  • Death by Childbirth: The Lady Doctor was impregnated by Raizen in their first and only time, then died when their baby was born.
  • Dress Hits Floor: When Raizen shows up at her home with the clear intention of eating her, she pulls this on him with her kimono... but in a subversion, it's to show him how her body had been ravaged by disease and prove him that, should he eat her, he would regret it. Not that the audience actually get to see that.
  • Hot Witch: Some translations of the manga have referred to her as being a "witch", though the "Hot" is not as disputed in-universe at least.
  • Interspecies Romance: With the super powerful descendant to show it, too.
  • The Lost Lenore: For Raizen. After their single night of sex, he swore off his demon-womanizing (much to the displeasure of Kokou) and, having learned about her Death by Childbirth, he decided to never eat any humans until she was reincarnated and he found her again.
  • The Medic: Said to be a skilled healer.
  • No Name Given: We never learn her name, in fact "Lady Doctor" is her Fan Nickname.
  • Poisonous Person: She was a "shaman cannibal" who willingly consumed the flesh of people who died of illness so her body would develop antibodies and eventual cures, which doubled self-defense against human-devouring demons. If any demon had a piece of her, they'd die painfully and slowly since her flesh was ripe with disease.
  • Posthumous Character: As she is a human who lived centuries before the present of Yu Yu Hakusho.
  • Regret Eating Me: She told this to Raizen. The reason is resumed in one trope: Poisonous Person
  • Small Role, Big Impact: Her role in Raizen's life pretty much put the whole story in movement.
  • Tsundere: Raizen has described her as having a fiery temper and says that Yusuke inherited that personality trait from her.
  • Walking Spoiler: Because, as said above, her small role was vital in the story.

Persons related to Muruko
Voiced by: Takashi Taniguchi (JP, TV Anime), Jiro Saito (JP, 100% Maji Battle), Pete Webber (EN)note , José Gilberto Vilchis (Latin America), Oliviero Corbetta (IT)

A very powerful and eccentric warrior and combat medic from the Demon World.
  • Bunny-Ears Lawyer: Very efficient at work. His fees and charges are very... personalized. In the case of Hiei, he first demands to listen to his life story and reasons, and then makes him promise that he will never tell Yukina of their bond.
  • Combat Medic: Both a badass combatant with his Rings of Death and an extremely efficient surgeon who actually implanted the Jaganishi in Hiei's forehead.
  • Death by Adaptation: He's killed off in the anime, whereas he survives in the original manga.
  • Driven to Suicide: Anime only, since he pretty much throws himself off the huge tree grown in the stage after Kurama defeats him.
  • Rings of Death: His Weapon of Choice.
  • Walking Spoiler: More exactly, what he did in the past completely shaped Hiei's motivations and storyline.

Persons related to Yomi
Voiced by: Ikue Otani (JP), Aaron Dismuke (EN)

The son of Yomi.
  • Artificial Human: Or demon in this case.
  • Born Winner: Shura was literally born being S-Class
  • Morality Pet: Yomi really seems to care about him.
  • Superior Successor: While by the end of the manga he is still weaker than his father, this is just because he is still a little boy, Shura literally was born being S-Class, while Yomi only reached that level as an adult.
  • Younger Than They Look: In the Makai Tournament, he was only a few months old but looks like a little kid.

Voiced by: Koichi Kitamura (JP), James Fields (EN)

Yomi's advisor.
  • Combat Commentator: Replaces Jorge during the Makai tournament and provides a lot of analytical commentary.
  • Expy: Is an old, short, pointy-eared non-human who is very wise, much like his namesake
  • Shout-Out: To Star Wars.
  • The Smart Guy: Served this role while a part of Yomi's army.
  • Spell My Name with an "S": It's "Yoda" in Japanese, but pronounced as "Youda" (YOO-da) in the English Dub, because of copyright differences in America, he probably just couldn't outright be called "Yoda".

Side Chapter: TWO SHOTS
    Maya Kitajima
Voiced by: Yuki Matsuoka (2004 Drama CD), Rui Tanabe (2018 OVA)

Kurama's junior high classmate who seems to have a crush on him and gets accidentally caught in the middle of his struggles.
  • Ascended Extra: Her very first appearance was during the Dark Tournament in a cameo in Kurama's flashbacks (not shown in anime) of his childhood in the middle of his fight against Ura Urashima. She later appeared in the Two Shot Special as a somewhat more prominent character.
  • Damsel in Distress: While she does have slight spiritual powers, she cannot fight against demons and has no martial arts knowledge.
  • Laser-Guided Amnesia: Kurama wipes out Maya’s memories of her abduction and her romantic feelings towards him at the end.
  • Psychic Powers: She tells Shuichi Minamino (aka. Kurama) that she possesses spiritual awareness and could tell that he was special. However, she fails to notice Hedoki, who apprehends her. Though this could be justified in that she was distracted due to Kurama and Hiei's fight at the time.

Voiced by: Ikuo Nishikawa (2004 Drama CD), Jin Domon (2018 OVA)

Voiced by: Osamu Katou (2004 Drama CD), Kenji Nomura (2018 OVA)

The antagonist of the Two-shots Extra Chapter that explains how Kurama and Hiei met for the first time.
  • Adapted Out: He makes no appearance in the anime, though a brief moment showing Kurama's and Hiei's first meeting from this special chapter is depicted in a blink-and-you'll-miss-it scene.
  • Cannibalism Superpower: He can gain power, and possibly specific abilities, from consuming other live organisms. He particularly seeks to eat Kurama.
  • Devour the Dragon: The "reward" he gave to the demon who captured Maya.
  • I Have Your Wife: Or in this case, I have your classmate and an Ice Maiden. Subverted in the latter case as that was merely him taunting Hiei.
  • Meaningful Name: Yatsude means "caterpillar", referencing his many arms.
  • Multi-Armed and Dangerous: He has six arms total of which two protrude from his head.
  • Posthumous Character: He was killed prior to Yusuke's death at the beginning of the story.
  • Power Copying: Says he has this ability with his dying breath. He claims that if he had consumed an Ice Maiden he wouldn't have lost.
  • Skeletons in the Coat Closet: He wears a belt consisting of skulls, of which are presumably those of his victims.
  • Unskilled, but Strong: He is recognized as being powerful by Kurama, but demonstrates that he is not a good tactician which gets him killed.

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