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A page detailing the characters from Blame!.

Warning: some spoilers are unmarked!

Main characters

The two protagonists whose journey we follow through the story of the manga.



Voiced by: Takahiro Sakurai (2017 movie, Japanese)

The main character of the manga. A mysterious man of few words searching for the Net Terminal Genes that will bring end to the chaos that currently reigns in the City. With his trusty Gravitational Beam Emitter (GBE) and no memory of his past, he keeps travelling through the many levels of the city in order to fullfill his task.

  • Accidental Pervert: In Blame! Academy, no matter the situation, he always ends in a compromising situation with Cibo without looking for it (be either looking at her skirt when the wind raises it or looking at her naked body when the Beam That Disintegrates Women Clothes does its thing) that usually ends with him beaten up by her violently.
  • Adaptational Attractiveness: Given the movie features character designs more similar to Tsutomu Nihei's current art style, he ends looking more handsome than his more scruffy manga counterpart during the Electrofishers arc.
  • Adaptational Wimp: In the 2017 movie, is shown he needs to take some kind of injection to properly shoot the beams of his GBE. In the manga, Killy doesn't needs anything like that and can fire his gun without taking any previous measure, using instead the injection to force himself to sleep when he needs to.
  • Ambiguously Human: Killy appears like a normal human (or at least as normal as the transhuman races of 'Blame!' can be), but his incredible resistance, stamina and ability to recover to any wound that would kill a normal human easily makes his status as a common human highly questionable. Later in the manga, is heavily impled he's actually a special unit predating the Safeguard with his own personality (like Sanakan) created by the Government Agency to bring peace to the City. In the movie, Sanakan identifies him as a Safeguard too.
  • Art Evolution: Thanks to the progression of Nihei's art, Killy goes from looking plain to look like a proper Bishōnen.
  • Art Shift: In the third edition of Blame! Academy, his reaction to seeing Cibo naked is so bad he suffers a huge case of nosebleed and his face (who was depicted in a "moe" artstyle as a result of Jenitalias and Metajini messing up the setting of the series to the one of a typical highschool romcom series) briefly returns to the one of the original manga just for that instance.
  • BFG: His iconic GBE is this. It is a relatively large gun that shoots condensed graviton beams able to cause a great amount of destruction depending on the power Killy applies to the weapon.
  • Bishōnen: In the movie and in the recent style of Nihei, Killy appears as a serious pretty boy. Is implied he's attractive enough to make Zuru develop a crush on him, even.
  • The Comically Serious: While the bleak tone of the manga doesn't allows for many comedic moments, he's portrayed as this in Blame! Academy given the parody style of the work, where Killy remains as stone-faced as he normally is in the main series to the whole ridiculous situations that ensue in the spin-off.
  • Dark Is Not Evil: Killy's clothes and hair are completely black, but he's not evil by any means and is only hostile with those who attack him first or with Silicone Beings. He's even showing helping random strangers if he can.
  • Demoted to Extra: Very downplayed. While in the source material he's the character we follow through the manga and his goal to get the Net Terminal Genes is the main focus of the story, in the 2017 movie he's more of a Supporting Protagonist that just happens to pass by the level of the megastructure where the Electrofishers live, with the story focusing more on their struggle to survive in the hostile enviroment of the City.
  • Determinator: Killy is completely focused in completing his mission to retrieve the Net Terminal Genes, and nothing nor anyone will stop him from accomplishing it, consequences be damned.
  • Dull Surprise: Due a combination of Killy's introverted personality and Nihei's old art style not being extremely expressive, he tends to react to many shocking or impactful moments with a expression of tepid surprise.
  • Fantastic Racism: A curious case where the main character suffers from this and is not treated as something horrible. While Killy doesn't tends to hold strong emotions towards anything, he absolutely loathes the Silicon Beings, to the point he casually destroys their nurseries or kills members of the species that aren't hostile without hesitation.
    • He, however, seems to have gotten over this by the time of Blame! 2, given how he saves Pcell the 8th when she's about to be killed by the Safeguard.
  • Healing Factor: To a ridiculous degree. Killy seems to be able to regenerate wounds that would kill anyone else (even the tougher residents of the City). The range of his regenerative powers goes from being able to reattach removed limbs to recover of being blasted away by a nuclear beam and being melted by it (though it took him 14 years to heal himself from that) or being shot in the head.
  • Jerk with a Heart of Gold: Downplayed. Killy is not as much of a jerk as he is distant and cold, but even he has his moments of compassion, and if he can help the random strangers he finds though his journey, he will comply (such as in the movie, where he gives food to the Electrofishers not so long after meeting them, without asking anything in exchange).
  • Law of Inverse Recoil: While Killy normally doesn't has problem firing the GBE, when he uses the advanced form of the weapon (Level 2 or superior), the recoil he suffers is so great that can even damage or even remove his arm entirely.
  • Mercy Kill: Does this to a woman that was bound to a cloning machine (implied for a very long period of time) in the 36th chapter of the manga. Considering the woman was suffering a living Hell, creating clones akin to wild animals non-stop, Killy likely did this to put the poor woman out of her misery.
  • Mysterious Past: In spite of being the main character of the story, no details about his past or backstory are revealed through the run of the manga. The closest thing the audience gets to a glimpse of his past are some brief visions he has while he regenerates from the wounds he suffered after receiving the energy blast of the Level 9 Safeguard that are implied to be events from his previous life. Other than that, his background remains a complete mystery.
  • Not So Stoic: Even the normally stoic and emontionless Killy has moments where he let's some emotion slip, such as mourning dead people or putting some out of their misery in an act of mercy. Especially evident in the first chapters, where Killy is shown to be more expressive and concerned about the people he meets in his journey.
    • Likewise, he's shown to be able to show arrogance (like when he mockingly tells Genitalias and Metajini that he was the one who destroyed the Silicon Life nursery) and feels some enjoyement in causing destruction (he shows some joy using his Gravitational Beam Emitter on what remains of the unofficial megastructure after being regenerated from the injuries Level 9 Safeguard Cibo inflicted to him).
  • Older Than He Looks: Looks at least in his twenties, but he's in truth older than that. Way older than that.
  • The Quiet One: Taken to the extreme. Killy only talks while necessary and prefers to act rather than engage in conversations. The number of dialogues he has through a chapter varies from two or three lines to zero.
  • The Stoic: While he has moments where he breaks character, he nonetheless remains as an unexpressive, emotionless, cold individual through the manga.
  • Time Abyss: Nihei stated in an interview Killy is at least 3000 years old, and the reason why he doesn't has memories or seems to forgot about some of the abilities of his body (like the one that allows him to scan individuals to properly identify them) are the result of his age taking its toll on him. Additional dialogue implies he even predates the Safeguard.
  • Wave-Motion Gun: The GBE he carries is a pistol that has energy beams as its main ammo. It's level of destruction depends of the power Killy decides to use from the weapon, as it never seems to run out of ammo. Its power it's so great that at minimum its able to cause a 70 km long beam that leaves a huge explosion behind. We never get to see the maximum power of the weapon, but the author of the manga said that, if it would be shoot from the surface of the Earth, it would have devastating changes in the atmosphere and climate of the planet.
  • The Voiceless: The short web animation from 2003 turns his silent nature to the extreme, to the point he has no dialogue in any of the seven episodes of the anime despite being the main character.




Voiced by: Asuka Aizawa (2003 web animation), Kana Hanazawa (2017 movie, Japanese)

The former head scientist of the Bio Electric Corporation of the Capitol. After failing to access to the Netsphere in an experiment that ended destroying the facilities where she worked, she was imprisoned in the sewers of the Capitol as a punishment for her failure, where she's found by Killy an underterminated time later and, after being freed by him and defeating the president of the Corporation, becomes his closest and most prominent ally through his journey.

  • Adaptational Attractiveness: Though she isn't ugly per se in the manga, like Killy, as a result of being animated using Nihei's recent art style, she looks prettier and more beautiful in the movie.
  • Adaptational Backstory Change: Very Downplayed. Cibo's backstory in the 2017 movie is the same she has in the manga, just with the location where she did the experiment to access to the Netsphere changing from the Capitol to a facility near the place where the Electrofishers live. This was made so she could appear in the movie, since the arc of the Electrofishers (the one the movie loosely adapts) happens after her official debut in the manga.
  • Adaptational Personality Change: Downplayed. Though her personality in the movie is similar to the one she has in the manga, she seems more secretive of her intentions, making her look suspicious at times.
  • Adaptational Wimp: In the movie, less emphasis is put in her combat abilities and more on her scientist knowledge, being less involved in action of what she does in the manga.
  • Adapted Out: She's absent from the two short CGI OVAs from 2007.
  • And I Must Scream: Her fate after failing the experiment to access the Netsphere is this. She was imprisoned in the sewers of the Capitol and impaled with tubes and other pointy things so she couldn't escape, and condemned to rot for the remaining of her life, all while being fully conscious. Her state when she first met Killy is so bad she's reduced to a decomposing torso with only her hair remaining. She thankfully gets better once Killy rescues her and she creates her new, iconic body, however.
  • Badass Bookworm: Though not as much of a fighter as Killy, her knowledge proves to be very useful to save the day and she herself is not afraid of getting into the action (in her first appearance she even saves Killy when he was about to be taken by the guards of the Bio Electric Corporation).
  • Back from the Dead: Cheating on death is a normal part of the life of Cibo. Despite being killed (directly or in surroundings of the Netsphere) multiple times, she somehow always manages to get back on track in one way or another, from making a new body for herself to stealing other bodies given the chance. Until the end of the series, that's it.
  • Demoted to Extra:
    • After having the Level 9 Safeguard downloaded into her actual body, she's reduced to a child-like state and basically becomes a plot device, with Sanakan taking the role of second main character in her place.
    • In the movie, though her role is still important, she's portrayed as an enigmatic character helping Killy and the Electrofishers (that get ascened to main characters in turn) rather than as the second protagonist of the series, with Zuru fulfilling more the role of the heroine.
  • Deuteragonist: As the other main character of the story, she's the second most important character after Killy, and her actions move forward the story as much as the ones of Killy.
  • Dies Differently in Adaptation: In the manga, she's killed after being caught in the explosion of Killy's GBE gun with the attack of the High-Level Exterminator Safeguard. In the 2003 web animation, she's apparently killed by the Silicon Being Metajini in the second episode. Given the dubious continuity of the web animation and that the girl with the dog of the second chapter of the manga is also Cibo here, if she died or not here is questionable.
  • Fashionable Asymmetry: In the 2017 movie, her whole body is black colored, except for her right arm, that is white instead.
  • Grand Theft Me: A rare heroic example. She manages to avoid her own death by taking the body of another character twice:
    • The first time was by taking Sanakan's body after the end of the Electrofishers arc, where, taking advantage of Sanakan's weakened state after overloading the vehicle used by her Safeguard squad, she proceeds to get her body and remains in it for at least 10 years thanks to the influence of Toha Heavy Industries nullifying the presence of Sanakan. She manages to get some of her abilities, like the capacity to summon wings.
    • The second time happens in Toha Heavy Industries where, after the main AI of the company breaks the no-aggression treatment between Toha and the Safeguard, Sanakan starts to regain the control of her body, forcing Cibo to search for a new one under the threat of being erased altogether. She finally ends hosting the body of her alternate self from the parallel dimension inside Toha, who died before she could made it to the present, and ends using it until Davine Lu Linvega downloads the Level 9 Safeguard inside alternate Cibo's body in the following arc, which ends destroying once again her vessel body.
  • Hot Scientist: She's a gorgeous woman that also happens to be a brilliant scientist. Of course, given the post-apocalyptic setting of the series, not much emphasis is given on her beauty, since there are always more important matters to attend.
  • Huge Schoolgirl: Coming from the tall race of humans that inhabit the Capitol, she possesses a very considerable height, dwarfing Killy (who is average in stature) and the Electrofishers (that are a race of short humans).
    • She however stops being this after getting her body destroyed in the climax of the Electrofishers arc, where she takes Sanakan's child body and ends up being shorter than Killy... Then plays it straight when she gains the body of her alternate self in Toha Heavy Industries arc, only to be reduced to a very small humanoid after the Level 9 Safeguard is transferred to her current body during the incident of the unofficial megastructure.
  • Iconic Sequel Character: Despite being one of the most important and recognizable characters of the manga, she doesn't appear until the second arc of the series (the whole second volume of the manga), with the first volume consisting in Killy traveling aimlessly through the City in search of the Net Terminal Genes.
    • The movie averts this and her backstory is changed so she can meet Killy and the Electrofishers in the level of the City where the latter reside.
  • Killed Off for Real: Though she managed to dodge death multiple times through the story, her luck runs out in the last arc and is killed for good along with Sanakan by the High-Level Exterminator Safeguard in the penultimate chapter.
  • Off with His Head!: In the second episode of the web anime, she's swiftly decapitated by Metajini. Of course, considering the weird continuity of the web animation, it's not sure if she dies for good here or not.
  • Person of Mass Destruction: As a Level 9 Safeguard, she's able to create huge blasts of energy able to wipe out entire megastructures of a single attack.
  • Spared By Adaptation: In the movie, she decides to remain with the Electrofishers and doesn't stays with Killy, ending alive (as a robotic arm, however) rather than dying at the hands of the High-Level Exterminator Safeguard like in the manga.


A security program originally tasked with protecting the stability of the City and their inhabitants. However, due a series of circumstances, the outdated protocols of the Safeguard and the lost of the Net Terminal Genes used to keep them in check made them turn against the humans of the City, eliminating anything or anyone they consider a threat. They are one of the primary antagonistic groups of Blame!.

    In General 

General tropes

  • A.I. Is a Crapshoot: The Safeguard was originally a benevolent program created with the intention to protect the humans of the City. However, after the ancestors of the Silicon Beings corrupted the Net Terminal Genes all humans had with an unknown infection, they went rogue and started to kill anyone who didn't possessed the genes, that is roughly all of the human population of the City.
  • Big Bad Ensemble: Along with the Silicon Beings, they are the biggest threats of the manga and, though they display similar goals, they're not quite the same (the Safeguard are exerting the role they were programmed for, while the Silicon Beings want to get rid of humans in order to eliminate any threat for their existence in the City), and, in some instances, they tend to fight each other.
  • Dark Is Evil: While the more common Exterminators are white-colored, some other special Safeguard units are depicted with pitch-black bodies.
  • Gone Horribly Right: Technically, the Safeguard program was made in order to eliminate anything considered a non-citizen of the City (basically anyone who doesn't possesses the Net Terminal Genes). However, after the humans of the City lost these genes, they were declared non-citizens and thus pursued and killed by the Safeguard, so, in practice, the Safeguard are basically following the orders given to them by their creators.
  • Kill All Humans: Or rather, "Kill All Humans who don't have the Net Terminal Genes". Since the Safeguard is programmed to obey only humans who possesses those genes, someone with them should in theory stop their rampage in the City. Problem is, no human residing in the City has them, so they will indiscriminatingly kill anything in sight until someone manages to find the Net Terminal Genes.
  • Omnicidal Maniac: Due their programming, their main goal is to kill any individual without Net Terminal Genes to ensure to safety of the inhabitants of the City. But, since the City became an anarchic place that keeps growing non-stop and with no one to stop it's expansion or govern it properly, they are basically killer machines that wipe out any "threat" indiscriminately.




Voiced by: Saori Hayami (2017 movie, Japanese)

A high level Safeguard with her own (subdued) personality and appearance. Being summoned as a result of Killy and Cibo reaching the level where Toha Heavy Industries was situated, she first met the main characters by disguising herself as an innocent child, following them to the residence of the Electrofishers until she shows her true colors and reveals herself as a Safeguard after Killy identifies her properly. Afterwards she becomes a major character through the series.

  • Arc Villain: Of the Electrofishers arc, where she appears as the commander of the Safeguard unit attacking the level of the megastructure where Toha Heavy Industries resides (that is where the Electrofishers live).
  • Adaptational Attractiveness: Possibly the character hit by this the most in the movie. Compared to her somber manga counterpart, the Sanakan of the movie displays bigger, more expressive eyes and has a robotic body instead of the biomechanical one the manga version has, making her looking prettier and cleaner.
  • Adaptational Villainy: As a result from being made more expressive in the 2017 movie, she seems to revel more in the carnage she creates, while in the manga her reactions are more downplayed.
  • Adaptational Wimp: In the movie, she lacks some of the abilities she displays in the manga, such as the capacity to turn people into Safeguard Exterminators or the power to create wings to fly.
  • Adapted Out:
    • Despite being an important character in the manga, she doesn't appears in any of the seven episodes of the web animation.
    • Her child form doesn't appears in the movie, being replaced instead by Sanakan taking Tae's form after killing her in the factory where Cibo guided Killy and the Electrofishers to get food.
  • Big Bad: Since the 2017 only adapts the Electrofishers arc, she ends being the main antagonist of the film, being also the only non mook Safeguard to appear in the movie.
  • Bitch in Sheep's Clothing: Takes the form of an harmless, little girl to trick Killy, Cibo and the Electrofishers to take her to the home of the latter. When Killy discovers her guise, she then proceeds to massacre the Electrofishers and wreak havoc on the place.
  • BFG: Like Killy, she also possesses a Gravitational Beam Emitter, though hers takes the shape of a rifle and is attacked to her right arm.
  • Dark Action Girl: She's cold, ruthless, calculative and very destructive, being one of the toughest opponents Killy faces through the series. She upgrades to a normal Action Girl after her Heel–Face Turn, however.
  • Dark Is Evil: Contrasting Killy, Sanakan's body is completely dark colored, she has black hair, and is as merciless as the rest of her Safeguard brethren. Becomes Dark Is Not Evil after being (presumably) reprogramed by the Authority to help Killy in his quest.
  • Dies Differently in Adaptation: In the manga, she's killed after being caught in the explosion of Killy's GBE gun with the attack of the High-Level Exterminator Safeguard. In the movie, she's killed by Killy after being shot by the beam of his Gravitational Beam Emitter, in a way that reminds of her first death in the Toha Heavy Industries arc.
  • Facial Markings: Her Safeguard form displays two vertical stripe-shaped black marks that extend from her eyes to the rest of her cheeks. Noticeably, she lacks them in both of her human forms.
  • Heel–Face Turn: Some time later after her apparent demise in Toha Heavy Industries, she's reprogrammed by the Government Agency to aid Killy in his misison to discover the Net Terminal Genes, being also tasked to protect Cibo (who now carries the genes neccesaries to stop the growth of the city after her trasnformation into a Level 9 Safeguard). She becomes less violent and more prone to dialogue in this state, but she's still a capable and relentless soldier when the situation needs her to be.
  • Killed Off for Real: Like Cibo, she doesn't survives the final battle against the High-Level Exterminator Safeguard, and ends killed for good in the penultimate chapter.
  • Not So Stoic: While normally she's as emotionless as Killy, she tends to give some smug smiles from time to time. Her movie counterpart is initially shown as stoic as in the manga, but quickly reveals a more expressive and sadistic side.
  • Power Gives You Wings: One of her most notable abilities is the one to alter her body so she can unfold a pair of gigantic butterfly wings, which allow her to fly and have a better range to shoot.
  • Recurring Boss: Before becoming an ally of Killy, she's fought three times through the manga until her apparent destruction in Toha Heavy Industries, that, given the usual screen time of the antagonists of the series, is impressive.
  • Walking Spoiler: Given that she doesn't appears in the movie until the climax, knowing of her existence before watching the film spoils the surprise that there are intelligent Safeguards, as well as giving clues of Killy's true nature.
  • Wave-Motion Gun: Her Gravitational Beam Emitter also has the ability to shoot energy beams, and her ones are as destructive as the ones of Killy.


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