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Characters / Kuromukuro

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Main Characters

    Kennosuke Tokisada Ouma
Voiced by: Yohei Azakami (Japanese), Bryce Papenbrook (English), Alan Bravo (Latin American Spanish)

Young samurai from the Washiba clan that existed around Kurobe during Sengoku Jidai. When attacked by the aliens, somehow received a titular Kuromukuro from his liege, princess Yukihime, and fought them with it until defeated and then got frozen till the current time, when the aliens appeared again.


    Yukina Shirahane
Voiced by: Mao Ichimichi (Japanese), Cherami Leigh (English), Sofía Huerta (Latin American Spanish)

An Ordinary High-School Student in the Tateyama International School and the daughter of the institute Director. Somewhat airheaded and Book Dumb, she's apparently more than she thinks herself.

  • The Ageless: See above — as a consequence of pledging to the Kuromukuro, she's now functionally immortal and will remain biologically seventeen forever. Note that she didn't change a bit after the five-year Time Skip in the finale, while Sophie, who didn't pledge, has visibly aged.
  • All the Other Reindeer: She's actually been bullied in Elementary School over her father's ideas.
  • Book Dumb: The series even starts with one of the school's counselors complaining about her substandard grades to her mom. That said, when it comes to combat she offers quite competent and useful advice.
  • Cloud Cuckoolander: Pretty mild example, but she's given to the very weird outbursts and interests at times.
  • Disappeared Dad: Who went on to contact the aliens and wasn't heard of ever since.
  • Hidden Depths: She shows a keen interest in Geology, and has used said knowledge to gain the upper hand fighting an enemy mech.
  • Inexplicably Identical Individuals: With Yukihime and Muetta. In Episode 20 it's been strongly implied that their body is actually one of a standard patterns of Efidolg's clone warriors.
  • Ordinary High-School Student: Aside from being a female, a textbook example.
  • Parental Abandonment: With a Disappeared Dad and married to the work mom she's essentially been raised up by her uncle.
  • Took a Level in Badass: After a boot camp under Tom Borden she's at least became capable of sneaking around and holding her ground against Mirasa with the blade.

Kurobe Research Institute

    Hiromi Shirahane
Voiced by: Kanako Tojo (Japanese), Anne Yatco (English), Tanía Becerra (Latin American Spanish)

The Director of the Institute and Yukina's mother, she's a competent (if sometimes overly emotional) administrator, but loathes the fact that she has to sacrifice the time with her daughters to her job.

    Major Arthur Graham
Voiced by: Katsuyuki Konishi (Japanese), Jamieson Price (English), Oscar Rangel (Latin American Spanish)

Head of the UN Forces contingent of the Institute, an old-school British officer, who is serious about his job and eager to do the right thing.

    Captain Tom Borden
Voiced by: Ryohei Kimura (Japanese), Todd Haberkorn (English), Alberto Bernal (Latin American Spanish)

GAUS team commander, and a pilot of GAUS 1, a loud and obnoxious American who is nevertheless a good guy at heart, not to mention a fine soldier.

  • The Ageless: Pledging oneself to an Efidolg geoframe involves an injection of nanomachines that confers to the pilot Regenerative Immortality and Healing Factor.
  • Catchphrase: He sure loves talking about jamming stuff up people's asses.
  • Drill Sergeant Nasty: During Episode 12, where he was the instructor for the training camp the main characters took over the summer.
  • Eagleland: He exemplifies Type 2, being a walking Cluster F-Bomb Jerkass Blood Knight, whom everyone else just barely tolerates only because he's quite good at what he does.
  • Hidden Depths: He was on the debate team when he was in school, and claims to have done very well in it.
  • Jerk with a Heart of Gold: He may be loud, obnoxious and mean at times but he's still a good guy at heart.
  • No One Gets Left Behind: Believes in this enough that he was the most vocal of the four GAUS pilots about launching a mission to rescue Yukina from Efidolg.
  • Sir Swears-a-Lot: noticeably more foul-mouthed than the other characters; also crosses over into Battlecry when he repeatedly informs opponents that he is about to shove this .50 millimeter up their ass.

    Capt. Toshiyuki Mozumi (AKA Sebastian)
Voiced by: Taiten Kusunoki (Japanese), Tony Azzolino (English), César Beltrán (Latin American Spanish)

GAUS 2 navigator, a JSDF Special Forces Captain and a self-appointed butler to his pilot, a French exchange student named Sophie Noelle.

  • Acro Fatic: He, if not actually fat, is nevertheless quite pudgy. It doesn't stop him from being arguably the best hand-to-hand fighters in the series.
  • Badass Beard: Grows one while hiding from Efidolg in the ruins of the Institute.
  • Foreign Culture Fetish: Very much does this by serving as a butler to Sophie, despite being a fully Japanese man.
  • Parental Substitute: He's essentially that for Sophie.

    Second Lieutenant Shenmei Liu
Voiced by: Hikaru Ueda (Japanese), Reba Buhr (English), Naybe Rodríguez (Latin American Spanish)

GAUS 1 navigator, a quiet and secretive Chinese girl that few know anything about.

  • The Ageless: Pledging oneself to an Efidolg geoframe involves an injection of nanomachines that confers to the pilot Regenerative Immortality and Healing Factor.
  • Anime Chinese Girl: Downplayed: She's Chinese and is an anime character, but possesses none of the stereotypical traits associated with the trope.
  • Deadpan Snarker: Largely makes these at Tom's expense.
  • The Stoic: She acts pretty emotionless and straight-laced most of the time. Like when she's calmly informing her superiors about GAUS 1 being flooded during the test to have it walk on water, whilst Tom is freaking out.

    Doctor Minoru Aramata
Voiced by: Koichi Makishima (Japanese), Michael McConnohie (English), César Soto (as César Terranova) (Latin American Spanish)

The Institute's Chief Engineer and the head of the excavation works.

    Doctor Girolamo "Jiro" Casiraghi
Voiced by: Hiromichi Tezuka (Japanese), Keith Silverstein (English), Manuel Campuzano (Latin American Spanish)

An electronics expert tasked with studying the Kuromukuro and often thus involved in shenanigans about its pilot.

  • Ambiguously Brown: He has that characteristic Mukokuseki look that doesn't make him look like an Italian (as his name suggests) at all.
  • Cowardly Lion: Always tries to get out of danger, but tends to stick there for his friends.

    Doctor Paula Kowalczyk
Voiced by: Rina Sato (Japanese), Laura Post (English), Gabriela Servín (Latin American Spanish)

A materials specialist studying the stuff Kuromukuro made of and applications thereof, thus frequently paired with Casiraghi.

  • The Reliable One: Whenever the heroes need a helping hand among the personnel, that'd be her.

    Doctor Hausen
Voiced by: Yuya Uchida (Japanese), Dave Mallow (English), Alfonso Obregón Inclán (Latin American Spanish)

Chief biologist of the Institute, a stereotypical "mad German scientist", very competent in his field yet strangely obsessed with his subjects.

    Rita Ferreira Mendez and Elisabeth Butler
Rita (left), Elizabeth (right)
Voiced by: Lynn (Rita) and Juri Kimura (Elisabeth) (Japanese), Christine Marie Cabanos (Rita) and Julie Maddalena (as Julie M. Kliewer) (Beth) (English), Gabriela Gris (Rita) and Miriam Aceves (Beth) (Latin American Spanish)

Two Bridge Bunnies in the situational room of the Institute, who report to Major Graham.

  • Bridge Bunnies: Their primary roles.
  • Empty Shell: Rita appears as this after the Efidolg are defeated, as the UN don't have the necessary technology to reverse the parasites' influence. She seems to start recovering after the 5 year time skip, when she mutters Beth's name out of the blue.
  • Heroic Sacrifice: Rita pulls one to save Beth when the Efidolg invade the institute, resulting in her becoming one of their brainwashed victims.

Tateyama International School

    Mika Ogino 
Voiced by: Asami Seto (Japanese), Cristina Vee (English), Jocelyn Robles (Latin American Spanish)

Yukina's best friend at school, she's a cheerful and active girl who's an avid cosplayer and often drags her friends to various events and setting.

  • Book Dumb: Proclaims herself as such, even. She doesn't mind it.
  • Cosplay: Quite fond of taking part in it.
  • Genki Girl: She's quite cheerful and active.

    Sophie Noelle 
Voiced by: Reina Ueda (Japanese), Melissa Fahn (credited as Joie Marlowe) (English), Nycolle González (Latin American Spanish)

An exchange student from France, she's a child prodigy and already even a pilot of GAUS 2. Though Yukina's classmate, she initially looks down at her, but later starts to warm somewhat.

    Ryoto Akagi 
Voiced by: Kaito Ishikawa (Japanese), Johnny Yong Bosch (English), Miguel Ángel Ruiz (Latin American Spanish)

Yukina's classmate with a reputation of somewhat of a delinquent and a pretty poorly hidden crush on her, he sees himself as a cool and important knight of the class and a rival to Kennosuke, but is actually pretty ordinary.

  • Determinator: He says he wants to be a pilot, but circumstances show that he hasn't got the chops for it. It's not stopping him from trying, though.
  • Hidden Depths: The school festival shows that he's extremely good at leading team builds and oversight.
  • Hopeless Suitor: His crush on Yukina doesn't even have a prayer, and it's clear she doesn't feel the same way.
  • Martial Arts Headband: He wears a red headband at all times, but aside from his delinquency, he's a particularly tough guy.
  • Unknown Rival: Treats himself like rival to Kennosuke, but Ken barely even acknowledges him.
  • Wrong Genre Savvy: His antics wouldn't be out of place for the hero in a standard run-of-the-mill Shounen anime. Unfortunately for him, he just isn't the hero here.

    Jundai Kayahara 
Voiced by: Yuusuke Kobayashi (Japanese), Griffin Burns (English), Dali González (Latin American Spanish)

Akagi's friend who constantly streams around everything he sees, carrying a camera on him all the time. While he may think of himself as of an Intrepid Reporter, he's actually closer to Paparazzi, and, indeed, has brought on his and his friends' asses way more adventures than they'd care, but he remains undaunted.

  • Birds of a Feather: After learning who his father is, it's not difficult to see where his obsessive streak comes from.
  • But Not Too Foreign: Half-German, actually, on his father's side.
  • Character Development: Starts largely as an annoying jerk, but steadily grows into a good friend and a genuine member of the group.
  • Fearless Fool: You'd think he's incapable of feeling fear, as he excitedly goes into situations where death is an extremely likely scenario and doesn't even think of running when his line is seriously on the line.
  • Parental Abandonment: His mother is constantly off having fun with her next boyfriend, while his father is… Dr. Hausen.
  • Paparazzi: Constantly streams whatever he sees around him. Constantly.
  • Phenotype Stereotype: Defied, despite his father being a posterboy of the trope. While he's half-German, he nevertheless has completely Asian features.
  • Skewed Priorities: Doesn't really care what's happening as long as he gets to livestream it.
  • Social Media Before Reason: His first and foremost action upon seeing the Efidolg almost destroy certain areas and the city is to stream it, much to Akagi's frustration.

    José Carlos Takasuka 
Voiced by: Shunsuke Takeuchi (Japanese), Grant George (English), Emmanuel Bernal (Latin American Spanish)

Akagi and Kaya's somewhat more distant friend, Carlos is a resident Butt-Monkey of the class, being alternatively dragged about, abused, and ignored, which is almost always gets Played for Laughs.

  • But Not Too Foreign: Half-Spanish.
  • Butt-Monkey: His whole point in the story seems to be failing amusingly.
  • Phenotype Stereotype: Unlike Kayahara, more or less played straight, he's notably more swarthy than most of the cast and has a wavy brown hair.

    Marina Unami 
Voiced by: Manami Sugihira (Japanese), Dorothy Elias Fahn (English), Monserrat Mendoza (Latin American Spanish)

Yukina's homeroom teacher and school's official counselor. She's only 23, and being barely older than her students, not to mention shy and impressionable, she always gets manipulated and dragged into their shenanigans.


Voiced by: Atsushi Ono (Japanese), Michael McConnohie (English), Raymundo Armijo (Latin American Spanish)

The leader of the current Efidolg force around the Earth, the Gezon-Reco Frontier Reform Squad, he's a cautious and indecisive officer who tends to bide his time rather than act aggressively. Is implied to hold some important secrets about the previous invasion attempt.

Voiced by: Hideki Nakanishi (Japanese), Grant George (English), Erick Salinas (Latin American Spanish)

The first major opponent, whom Kennosuke and Yukina had to fight twice in Toyama's downtown and at Toyama International Airport. After being finally defeated thanks to the GAUS' help, he tried Taking You with Me, destroying half of the airport and nearly capping Akagi and Kaya (who dragged in to watch) by the blast. Piloted the "Yellow Crab" mecha.

Voiced by: Koji Yusa (Japanese), Christopher Corey Smith (English), Nicolás Frías (Latin American Spanish)

Another knight who purposedly allowed himself to be defeated to sneak into the Institute to search for the McGuffin Efidolg are looking for. Failed a Spot Check due to being an arrogant Jerkass and got killed by Kennosuke for his troubles. Piloted the "Long Arm" mech that remained in the Institute's possession after his death.

Voiced by: Tooru Sakurai (Japanese), Keith Silverstein (English), José Luis Miranda (Latin American Spanish)

We don't know much about him, except that he's apparently successfully retrieved the hinge stones from both the US and Russia, because they lacked anything to stop him.

Voiced by: Kissho Taniyama (Japanese), Doug Erholtz (English), Erick Salinas (Latin American Spanish)

The hotshot pilot operating the apparently sole aerial unit of the Gezon Reco, the "Blue Bird". Fought inconclusively with Kennosuke and Yukina aided by The Demon, and successfully retrieved Mirasa after the infiltration mission where she stabbed Muetta and tried to leave her for dead.

Voiced by: Yuina Yamada (Japanese), Julie Ann Taylor (English), Magdalena Tenorio (Latin American Spanish)

An ambitious if a bit incompetent knight in a bitter rivalry with Muetta, which she usually tries to hide. After several unsuccessful missions, and being repeatedly bailed out by Muetta, she stabs her as soon as she has something nice to report, and leaves her for dead on Earth. Unfortunately to her, Muetta survives, thanks to Dr. Hausen and Kennosuke. Piloted the "Spider" geoframe.

Voiced by: Aki Toyosaki (Japanese), Kira Buckland (English), Monserrat Aguilar (Latin American Spanish)

A knight inexplicably identical to both Yukihime and Yukina (with whom she at least differs in a hairstyle) down to the genetic level. It's actually unknown whether she is Yukihime, but at least Kennosuke thinks that she is. Her unit is designated "Medusa".




  • Hot Blade: All except the GAUS units use glowing melee weapons which can effortlessly cut through solid metal...
  • BFS: ... and they're all huge.
  • Giant Mecha: Each are roughly 30 metres tall.


The titular mech piloted by Kennosuke and Yukina.

GAUS Units

Yellow Crab

Long Arm


Blue Bird




The mysterious Demons mecha.


Drone mecha used by the Efidolg, named for their lack of a head.


    "Demon" / "Zel" 
Voiced by: Shigenori Soya (Japanese), Christopher Corey Smith (English), Erick Selim (Latin American Spanish)

A hulking mysterious man in an Efidolg armor and demonic mask that often helps Yukina and Kennosuke. He keeps himself shrouded in secrecy and only reveals that he's an enemy of Efidolg, but Kennosuke remembers him as a commander of the invasion force from 450 years ago. He also somehow wears Yukina's dad's watch and his hideout was shown to be full of other references to Dr. Shirahane, raising everyone's suspicions.Turns out that he was a resistance fighter who came to Earth to try and stop an Efidolg invasion, and it's possible that the commander Kennosuke remembers was an another member of his race, as Efidolg is known to use the clones of conquered species to boost their ranks.

  • Happily Married: He was on his native planet before Efidolg arrived, and he actually keeps a photo of his family with him.
  • La Résistance: Was a commander of one on his native planet, who stole an Efidolg ship with his team to prevent the Efidolg conquest of the Earth.
  • Mysterious Benefactor: To Yukina and Kennosuke, before he decides to contact the heroes directly.
  • Only Known by Their Nickname: Nobody even tries to remember his full name — they just call him "Zeru". His full name is Zeringer Mundef Bischrei.
  • Older Than They Look: It's difficult to judge aliens, but no one who's about 500 years old should realistically be that active and deadly in the fight. It turns out that when pledged to a Efidolg Georame, the injected nanomachines confers upon its user a functional immortality and Healing Factor.
  • Super Strength: He's able to remove the restraining collars put on him and Muetta by the UN agents with a single finger.
  • Rubber-Forehead Aliens: Yes, he's very tall and has purple skin, horns and clawed hands and feet, but he's still humanoid enough that nothing in his appearance cannot be imitated by a clever makeup artist.

    Dr. Takehito Shirahane 
Voiced by: Toru Okawa (Japanese), Doug Erholtz (English), Carlo Vázquez (Latin American Spanish)

Hiromi's husband and Yukina and Koharu's Disappeared Dad, he was a historian studying the local Washiba clan and the circumstances of its eventual disappearance, and was laughed out of the scientific community for his ideas about the "demons" of the local legends actually being aliens. He then vowed to contact them and disappeared trying to do so. He managed to contact and befriend Zeringer, but died in an accident while trying to return to civilisation.

    Koharu Shirahane 
Voiced by: Momo Asakura (Japanese), Cassandra Lee (as Cassandra Morris) (English), Estefanía Piedra (as Sthepania Piedra) (Latin American Spanish)

Yukina's younger sister, a cheerful and somewhat mischievous kid, she's a huge fan of historic dramas that often raise Kennosuke's interest only for him to slam them down as unrealistic five minutes later.

Voiced by: Tetsuo Goto (Japanese), Josiah Wills (English), Jesús Cortéz (Latin American Spanish)

Hiromi's older brother, he's a Buddhist priest in charge of a temple in the outskirts of Tateyama, where he basically raises his nieces while his sister is off at work.

Voiced by: Aki Toyosaki (Japanese), Kira Buckland (English), Wendy Malvárez (Latin American Spanish)

Kennosuke's original liege (and implied crush), a heir to the Washiba clan which he served, who, according to his (admittedly hazy) memories, stole the Kuromukuro from Efidolg attacking forces and handed it down to Kennosuke to fight the invaders. She then fought with him as his navigator until their eventual defeat by The Demon and Kuromukuro's sealing away. To everyone's (and especially Kennosuke's) confusion, she's absolutely identical to both Yukina and an Efidolg knight Muetta.


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