Characters / Dr. Stone: Empire of Might

Dr. STONE Main Character Index
Pre-Stone World | Ishigami Village | Empire of Might | Others

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A group of de-petrified humans led by Tsukasa Shishio, who oppose Senku and his Kingdom of Science's efforts to restore civilization, along with its perceived corruption and flaws. Tsukasa himself handpicked young people with physical or athletic abilities that fit with his Darwinian vision and then revived them with the source of the de-petrification formula taken from Senku.

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In General

• Blood Knight: When it comes down to issues they are all too eager to settle things by fighting and showing off their strength.
• Defeat Means Friendship: Once Tsukasa makes a Heel–Face Turn and Hyoga is defeated and imprisoned, the Empire of Might and all its members are absorbed into the Kingdom of Science. Hyoga and Homura also join the Kingdom of Science after the conclusion of the Treasure Island Arc.
• Dumb Muscle: Most are only present to pad out the numbers of Tsukasa's army.
• Heel–Face Turn: Combined with Defeat Means Friendship. After being absorbed into the Kingdom of Science, all named members who did not already defect become new willing allies to Senku (essentially everyone but Hyoga and Homura). After the Treasure Island Arc, Hyoga and Homura also end up joining the Kingdom of Science.
• Might Makes Right: Their entire philosophy is based on strength alone and believes the weak are to be first to die.
• Younger Than They Look: Many have physiques resembling heavily-seasoned post-apocalyptic thugs from Fist of the North Star than typical teenagers and adolescents.

Tsukasa Shishio

Tsukasa Shishio

Voiced by: Yūichi Nakamura (Japanese), Ian Sinclair (English), Arturo Cataño (teen), José Gilberto Vilchis (child) (Latin American Spanish)

"You can call it killing if you want... It's a matter of perception. I'm culling humanity, for the sake of a new world."

"This Stone World is a paradise that is not yet tainted! Let's just revive the young people, we'll live together, with nature, which doesn't belong to someone else! It's an opportunity to cleanse humanity!"

The first person Senku revives from petrification, known as the third man. Before the Stone World incident, he was known as the strongest high schooler, and well known for his immense skill in the martial arts world. His harsh background, however, has given him a hatred for modern society, and he quickly becomes Senku's enemy in his quest to rebuild the world.

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• Adaptational Seriousness: In the early manga chapters, he would participate in the comedy beats just like everyone else, getting stunned reaction faces whenever Taiju said something stupid. The anime removes this, which makes him look more serious overall despite still having the same dialogue and actions.
• Adult Hater: Tsukasa's defining trait in the early parts of the story is his hatred of all adults from the old world, as he believes that they were all corrupt and wants to keep the Stone World free from their influence. As a result, he smashes most of the petrified adults he finds so they can't be revived, only sparing a few that he thinks could be useful to him.
• Anti-Villain: He genuinely believes in a better world, but his methods are both questionable and puts him in natural conflict with Senku.
• Arc Villain: The first of the series. Upon his de-petrification, he makes himself the main obstacle Senku's goal of using science to rebuild the world and save every single human. Loses this spot to Hyoga in the final battle of the first saga shortly before nearly being killed by him.
• Arrow Catch: He easily catches the arrow from Senku's crossbow right out of the air, causing Senku to ramp up his efforts on producing a gun.
• Asskicking Leads to Leadership: After "killing" Senku (not really), he establishes himself as the leader of a new nation of his own creation.
• Ax-Crazy: He hides it very well but underneath his calm demeanor lies a very murderous individual who is hell-bent on proving his ideology to be right through extreme violence and even killing anyone who gets in his way.
• Back from the Dead: After the Kingdom of Science returns from Treasure Island with the Medusa device, they quickly put it to use on Tsukasa, who is still in cold sleep, petrifying and then reviving him, successfully healed of his fatal injury.
• Barbarian Long Hair: He has long, wild hair and is a force to be reckoned with.
• Benevolent Boss: As long as you're a young person and submit to the rules of his empire, he'll treat you right. In fact, he even remembers the names of all the random mooks who died from "Senku's poison gas attack" (in reality, Hyouga threw his men into a pit of naturally occurring poison just to see if they would really die) and individually buries each one of them.
• Blood Knight: Takes up the fighting job very easily and is quick to settle things by engaging in combat.
• Book Dumb: Relatively. While he lacks the sheer scientific knowledge Senku has, he can still match Senku in cunning and strategy.
• The Bus Came Back: After being Put on a Bus due to being fatally injured by Hyoga and turned into a Human Popsicle to keep him alive, Tsukasa is finally brought back in Chapter 141 when Senku obtains the Medusa and uses it to heal him.
• Celebrity Survivor: Tsukasa was a famous martial artist known as "the strongest primate high-schooler" before the Stone World, with countless followers and fans. In fact, Taiju recognized him from TV when he first saw his statue.
• Charles Atlas Superpower: Capable of insane feats of strength such as fighting lions bare-handed, catching arrows, or even chopping a tree in half with one swing of his stone blade, all while being a teenager. It is unknown how he became so strong and it doesn't have anything to do with the petrification because he was known as "the strongest primate high-schooler" even before then.
• Chick Magnet: A quick flashback shows that he had legions of fangirls fawning over him during his time as a martial artist. It's currently unknown what he thought of it, although so far he doesn't seem to be too concerned about sex or romance (or even making friends with people, for that matter).
• Creepy Shadowed Undereyes: They emphasize how dangerous he is.
• Death Glare: Gives Senku an incredibly intimidating one◊ when he rejects his offer to create a "pure world".
• Disproportionate Retribution: One adult beat him up for trespassing on his property and taking seashells, so he thinks all adults need to be wiped out.
• Don't Make Me Destroy You: He respects Senku enough that he genuinely tried to give him a chance to swear off science so that he wouldn't have to kill him.
• Double Weapon: He takes to wielding a double-ended broadsword weapon after getting revived and joining the Kingdom of Science.
• Enemy Mine: After Hyoga's betrayal and near-successful murder of him, Tsukasa teams up with Senku to quickly defeat him.
• Establishing Character Moment: He's literally just been woken up from being encased in stone for over three thousand years as a last-ditch act of desperation by Senku and Taiju. Only his eye is visible, but he immediately asks what the situation is, and when Senku tells him, he blows the rest of the stone off his body like bullets before taking out several lions in an instant. Bare-handed. What an entrance.
• Even Evil Has Loved Ones: He really loved his little sister.
• Evil Luddite: He's so convinced that modern civilization was irredeemably corrupt that he's entirely willing to kill anyone who might possibly restore it. He sends his soldiers to conquer Ishigami village just on the possibility that Senku had survived and might ally with them.
• Evil Red Head: Cover art reveals that his hair is a deep, blood-red color. Rather fitting.
• Fond Memories That Could Have Been: Before "killing" Senku after the latter refuses to give up science to spare his life, Tsukasa mentions that had they met before the world turned to stone, he would've likely considered him his first friend. Some "what if" scenes then play out, where a young Tsukasa defends Senku's experiment from the three bullies. Later, he's seen bringing parts to help Senku build his rocket and another possibly happy moment where a doll of him went aboard the rocket with the Senku, Taiju, and Yuzuriha dolls. A brief scene also shows Tsukasa's younger sister with the seashell necklace that he had planned to make for her.
• Freudian Excuse: His mistreatment in the past is what caused him to develop his hatred of adults and then-current society.
• Friendless Background: Remarks that had he met Senku in the past, he would've been his first friend, and it likely would have changed his worldview for the better.
• Genius Bruiser: He's freakishly strong and durable and an extremely skilled warrior, but unlike Taiju he has intelligence to match, allowing him to keep up with Senku's schemes. While nowhere near as scientifically gifted as Senku, Tsukasa is extremely smart, perceptive and observant - even memorizing the formula for the revival fluid - and he's a very strategic and capable leader who has proven a match for Senku in a battle of wits more than once.
• Good Scars, Evil Scars: Compared to Senku, Taiju, and Yuzuriha, Tsukasa's body is covered in numerous scars, the most notable one stretching across his face and through his eye. This is subverted later on when he has a Heel–Face Turn once Senku revives his sister.
• Hates Rich People:
  Tsukasa: This world is not yours, because there's not a single square centimeter of land on it that is not the property of some rich, old fool.
• Heel–Face Door-Slam: Once Senku manages to revive Mirai, Tsukasa is willing to abandon his ambitions and re-ally with Senku. However, it's at this point Hyoga makes his move, and Tsukasa ends up Taking the Bullet to save Mirai from him and is fatally wounded. He's shortly after made into a Human Popsicle until Senku can find a way to repetrify him so as to heal his wounds.
• Human Popsicle: Senku places Tsukasa in a cryogenic freeze in order to give him a chance of survival as he looks for the petrification method to heal his wounds.
• Hypocrite:
  • Tsukasa will happily rant about how scientific development will give rise to terrible weapons of war, and how science needs to be stopped, or at least hindered, to keep that from happening. Yet, between him and Senku, it is always Tsukasa who insists on bloodshed and killing as the only solutions to their problems. In contrast, many of Senku's scientific creations are born from his desire to subdue Tsukasa's army without killing anyone. Even creating gunpowder and dynamite are merely used to force Tsukasa into negotiations, rather than to actually kill anyone.
  • Despite his hatred for adults and the corruption he accuses them of, he still revives and recruits some adults into his ranks, such as Yo (a police officer) and Ukyo (a military submarine operator), showing that despite his ramblings about how all adults are corrupt and deserve to stay petrified forever, he's willing to make some exceptions if they can be useful to him.
  • Several of the things Tsukasa claims to dislike about the old world and wants to stop happening such as wars, or people using their might and resources to push their will on others or claim things for their own - are all precisely things Tsukasa and his army indulge in.
• Just Like Robin Hood: Part of Tsukasa's desire to eliminate adults stems from his belief that they'll begin to impose taxes and bills on the weak and start profiting from them again. Unfortunately though, Tsukasa has taken to killing all of the adult statues he finds without concerning himself on whether or not they were rich or even bad people in the first place.
• Knight Templar: Is thoroughly convinced that he's the good guy and is simply doing what's necessary to create a pure, untainted world.
• Large and in Charge: He's so tall that Senku only reaches up to his◊ chest, and he quickly establishes himself as the king of the Stone World as soon as he thinks Senku is dead. It's eventually clarified that he's approximately 203.8 centimeters, or 6 feet and 8 inches tall, making him easily one of the tallest members of the cast.
• Lightning Bruiser: He's got all the speed, strength, and (presumably) endurance of Taiju, but with the fighting skills to put them to use against other people (and wild lions and sharks, for that matter). As Senku notes, in a world without guns, he's quite literally unstoppable. As a bonus, he's also a Genius Bruiser with enough knowledge of the natural world and strategic sense to keep up with Senku.
• Literally Shattered Lives: He makes sure to destroy the petrified bodies of any older adult he comes across in order to prevent them from being revived (though it doesn't work, thanks to Yuzuriha's craftsmanship and dexterity allowing her to piece them back together).
• Long-Haired Pretty Boy: He has this look going for him, although he has wilder hair and is far more intimidating than is usual for the trope.
• Meaningful Name: "Shishio" means "lion king", which is fitting since killing a lion is the first thing he does after waking up.
• Morality Pet: His little sister. In fact, Senku finding and awakening her was enough for Tsukasa to agree to abandon his ambitions and call off his mission to cull society.
• Mr. Fanservice: He's rather prone to the Female Gaze whenever he takes his shirt off (or, in the case of his very first appearance, is nude).
• Nemean Skinning: Tsukasa skins the lion he killed seconds after being revived and wears its pelt as a cloak. This may be a direct reference to the original Heracles myth, since Tsukasa is the World's Strongest Man.
• Normal Fish in a Tiny Pond: Before the mass petrification incident, Tsukasa was very strong, but couldn't stand up against firearms. Now that he's in a world where weapons more advanced than a crossbow are rare, he's practically unstoppable.
• Not So Stoic: Every now and then, he does get visibly surprised; Taiju's and Yuzuriha enacting Senku's plan to fend off Tsukasa with a black powder explosion was even enough to warrant an Oh, Crap! from the latter. Likewise, Kohaku's strength had him a bit flustered (not enough to make him actually break a sweat, but enough to surprise him).
  • When he's revived from his cryogenic stasis, Senku telling him that their next plan is invading the moon prompts the slightest hint of a shocked look.
• No Tech but High Tech: He is aware of this trope, which is why he says that he's not against all technology, only against inventions that could lead to mass warfare, so things like fire and crude tools are still okay with him. He's still a hypocrite, though, considering how he uses this low technology for violent purposes.
• Oh, Crap!:
  • He panics a bit when he realizes that Senku has gone off to find gunpowder, as even Tsukasa can't stop a bullet.
  • Even Tsukasa looks worried when he thinks Taiju is about to attack him in retaliation for "killing" Senku◊.
  • His face when he discovers Senku's phone at his "grave" can only be described as this.
• Ping Pong Naïveté: Tsukasa shows a frightening amount of insight into Senku's actions and motivations. By the same token, he is amazingly blind to the personalities of his own followers. For example, he realizes that Senku survived their "final" encounter pretty much immediately, and generally manages to match wits with him, if not intelligence. However, despite Senku pointing out that he was in this to save everyone indiscriminately, he blindly believes Hyoga's story that Senku used poison gas to kill his men (Hyoga actually killed them to test the lethality of a gas cloud). He seems to assume that everyone who's on his side both agrees with him and shares his morals, and doesn't question them, even allowing Taiju and Yuzuriha to join his camp despite knowing they both were close friends with Senku, only keeping a small eye on them. This bites him in the ass when Hyoga betrays him. As it turned out all Hyoga needed to do was keep his mouth shut about his actual goals to get in a position close enough and wait for an opportunity to usurp Tsukasa, who wholeheartedly trusted him in spite of not really knowing Hyoga.
• Psychopathic Manchild: A subtle case, but it's there. Underneath his calm and collected exterior, Tsukasa essentially acts like disgruntled, angry, psychotic and murderous young boy, what with his deep resentment against adults and then-current society caused by a seriously petty reason (in this case, being beaten by an adult for trespassing on his property and taking seashells) and as a result, his methods of destroying adult statues is essentially him throwing a childish tantrum over not being able to let go of his grudge. Senku even lampshades this when Tsukasa holds Yuzuriha hostage.
• Put on a Bus: The conclusion of his saga as the Big Bad sees him fatally wounded by Hyoga after his Heel–Face Turn and needing to be put on ice while Senku and the others set out to find out how to cure him via petrification.
• The Rival: Towards Senku, due to their opposing desires for the new world.
• Science Is Bad: Beyond his hatred of adults, he also hates modern society in general, seeing the Stone World as a paradise untainted by people who want to control land for themselves. He's essentially the opposite of Senku, who was actually first alerted to Tsukasa's dangerous nature when he mentioned ominously that "he just realized he (Senku) could probably recreate modern civilization from scratch".
• Soft-Spoken Sadist: Tsukasa rarely raises his voice, typically only speaking with a soft, even tone — even when he's threatening to kill people. It's rather... unsettling.
• The Spock: Tsukasa shows very little emotion beyond Tranquil Fury and annoyance. Being rather intelligent as well, he even takes a book straight from Spock's page at one point when he chastises Taiju for "failing to see the logic in his resolve". ^note  Taiju tells Tsukasa that he can keep beating him up as long as doesn't kill any more statues, which Tsukasa can't wrap his head around.
• Strong and Skilled: He has freakish Super-Strength, but his combat prowess is backed by impressive martial arts talent.
• Super-Strength: Strong enough to kill a lion with a single punch and crush rock with his bare hands.
• Taking the Bullet: When Hyoga betrays him, he ends up impaled on Hyoga's spear to take a blow that would have otherwise killed Tsukasa's little sister.
• Tranquil Fury: Tsukasa never openly rages or rants when he's angry; rather, he just gives off a frighteningly intense Death Glare towards whoever crossed him. It's enough to unsettle even Senku.
• The Extremist Was Right: His points about scientific progress leading to more advanced weaponry to commmit vile acts prove apt when he, Hyoga, and Kohaku are gunned down by Dr. Xeno's forces. He even has a brief flashback to his talk with Chrome at the waterfall as he's being shot. That said he still has faith that Senku can pull through with the Medusa.
• The Unfettered: He points out that, while Senku may claim to be The Spock, he still has people that he cares about who's lives can be used as a threat against him (in this context, Taiju and Yuzuriha). Tsukasa, meanwhile, despite having hundreds of followers and fans ^note  Tsukasa was a famous martial artist before the Stone World has nobody that he actually truly cares about. This is why Tsukasa ultimately believes he's destined to win over Senku. Ironically, he turns out to be correct in a way, but its Tsukasa himself who gets bit in the ass by this; immediately after his long-thought dead little sister is brought back to life, Hyoga uses her life against him in exactly this manner.
• Verbal Tic: He uses an affirmative "Mmm" (equivalent to saying "Yes") at the start of most of his sentences.
• Villain Respect: Tsukasa might have tried to kill Senku, he might be perfectly willing to kill Taiju if the latter ever goes into a rage and tries to attack him, and he might be dismissive of Yuzuriha as a woman in a world without science, but it's fairly obvious that he respects the first two at the least, and he allows Taiju and Yuzuriha into his kingdom without fuss, even if he keeps an eye on them to make sure they're not helping Senku.
• Villain Team-Up: He teams up with Lily in the Last Cloudia crossover campaign Tsukasa Shishio's Challenge to take out several monsters in hopes of getting back to his homeworld. He doesn't trust her however which is something she picks up. The distrust comes to a head when she unleashes monsters on two children.
• Visionary Villain: His goal of building a stone age society in harmony with nature and free of the corruption that plagued the modern era is certainly ambitious, and he's put a lot of thought into how to go about it. To that end, he's gathered the statues of dozens (if not hundreds) of people who he believes can play a part in bringing his vision to life.
• Well-Intentioned Extremist: Wants to take advantage of the new world by shaping it into a more peaceful one. Unfortunately this includes destroying the statues of adults who ruined the world and halting the advance of science.
• World's Strongest Man: Prior to the Stone World, he was known as "the strongest primate high-schooler". In a world without guns or explosives, Tsukasa is a One-Man Army.
• Wrestler of Beasts: Tsukasa's Establishing Character Moment has him bursting out of his stone shell and killing a lion with his bare hands. He then uses its pelt for clothes.
• Younger Than They Look: Tsukasa is still high-school aged (presumably around 17-19), but his height and musculature make him look quite a bit older. Somewhat ironic considering his hatred of adults.

Hyoga

Voiced by: Akira Ishida (Japanese) Jerry Jewell (English), Ricardo Méndez (Latin American Spanish)

One of Tsukasa's lead generals, who makes his presence known when the Stone War Arc begins.

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• Arc Villain: Takes over as the main threat at the conclusion of the Stone War arc, as it turns out he was simply trying to usurp Tsukasa from under him. Ends up very short-lived though, as he is quickly defeated by Tsukasa and Senku teaming up at the last minute.
• Back from the Dead: Hyoga was petrified and then revived again by Senku after he was killed by Stanley's squad. As a result, Senku and Tsukasa realizes the Petrification can also revive the dead.
• Bad Boss: Unlike Tsukasa, he gives no value towards the lives of his subordinates, killing them on a whim freely and then lying to the former about it. It sets up his true nature as The Starscream, as it's our first glimpse at just how different he is from Tsukasa.
• Bastard Understudy: He never actually shared Tsukasa's luddite views and only sided with him so he could eventually take his throne. When Tsukasa made a Heel–Face Turn, he immediately disposed of him.
• Batman Gambit: Knowing that Tsukasa is too strong to overthrow directly, he plays the part of a loyal subordinate until Mirai is awakened. He then attacks Mirai, knowing that Tsukasa would throw himself in front of Hyoga's spear to protect her.
• Came Back Strong: Sort of. When revived and joining Senku's Science Kingdom, his pipe-spear is upgraded with Senku's technology. Specifically, the spear's tip is now metal and the tube itself has been carbon lubricated, allowing Hyoga to spin and thrust the spear even faster than before, due to the further reduced friction.
• Character Catchphrase: He likes to say when or not things are "done properly", almost to the point of being a Verbal Tic. He also tends to insult people as "mush-for-brains".
• Crazy-Prepared: Hyoga himself is well aware just how dependent he is on his specialized weapon. As such, at the climactic battle for the cave of miracles, he has a spare standing by, just in case one of his opponents tries to trap his weapon. He's also heavily prepared for his plan to ultimately betray and kill Tsukasa, having already scouted out the river he knocked Tsukasa and Senku into, allowing him to know where they would wash up, so that he could deal with them without interference...which seems to imply that he was even aware of where Mirai Shishio was buried, as the point he knocked Tsukasa and Senku in was very close to where she was found and revived, mainly because it was around her that he figured he had his best chance of breaking through Tsukasa's guard.
• The Dragon: Seems to be this for Tsukasa. Is later revealed to be Co-Dragons with Ukyo, though Hyoga still seems to have more pull between the two of them.
• Dragon Their Feet: A version that combines with The Starscream. After Tsukasa accepts a ceasefire with the Kingdom of Science in return for his sister's de-petrification, Hyoga springs into action, attempting to kill both Tsukasa and Senku and take over the Empire of Might.
• Even Evil Has Standards: After being revived and released, he has to make a choice on who to side with. He immediately acknowledges that him siding with Moz would mean death for Gin, Nikki and the rest of Senku's crew, since they have no other good fighters on their side. As cold and ruthless as he seems to be, he is not completely OK with this, mainly because he happens to have Villain Respect for Senku and his crew. That being said, it took Moz showing him that he is an untrustworthy Harem Seeker to fully convince him to lend his strength to Senku.
• Eviler than Thou: Whereas Tsukasa seeks to create an allegedly peaceful and egalitarian society by suppressing science and avoid de-petrifying old folk with vested interests from the old world, Hyoga desires to go further and establish a Social Darwinist society where only the strong or "those that excel" are allowed to live.
• Eyes Always Shut: His eyes have always been shut in every scene he's in. Ironically, one of the first things he says is to notice Kinro's bad eyesight.
• Faux Affably Evil: Speaks in a polite tone, yet is total bad news.
• Good Feels Good: During the climax of the Treasure Island arc, he catches himself putting his trust on Senku and his crew in order to get his proper weapon back and defeat Moz. And lo and behold it turns out his trust isn't misplaced.
• Good Scars, Evil Scars: In contrast with the small, relatively ignorable scars characters like Senku, Gen, or even Tsukasa have, Hyoga sports a huge pattern of five circles covering his entire lower face that he hides under his turtleneck. When he sides with the Kingdom of Science during Chapter 130 by attacking Mozu, he pulls down his facemask to reveal that his scars are gone, having been removed by his second de-petrification.
• Hero Killer: Comes inches away from killing Kohaku, and only fails because Gen and Suika sabotaged his weapon. He also stabs Kinro, which would have been fatal had it not been for Senku's medical knowledge.
• Hoist by Their Own Petard: His utter failure to let go of his spear due to how personal it is for him lets Tsukasa hold it still while Senku inches towards Hyoga with a stun gun. Hyoga knew full well the threat of both of them, but he simply refused to lose the only reason he'd even be able to beat them, and got knocked out for it.
• Knight of Cerebus: Once he makes his entrance, things quickly become much more serious.
• Lack of Empathy: When Tsukasa mentions the lives lost in the poison attack, he doesn't know who Tsukasa is even talking about; it's the warriors that were with him that he made fall into the poison to see if it was real. He gravely wounds Tsukasa just seconds after the man sees his little sister alive for the first time in thousands of years, skipping no beats in taking his throne from him.
• Lean and Mean: He's got a lean, wiry build, but he's easily many times stronger than Tsukasa's army of muscle-heads; moments after being awoken for the first time in thousands of years, Hyoga easily defeats/kills 10 of them at once by himself.
• Mirror Character: In Chapter 132, he mentally compares the lifetime of effort and dedication it took him to learn his spear-fighting style to Senku's lifetime of dedication to science, and as a result begins to respect science after seemingly hating it in his last appearance.
• Mysterious Past: Out of all the people released from the petrification, we know nothing about who he was before it happened. All we know for certain is Tsukasa knew about him in the past and had actively searched for him to be his right-hand man. We do see him as a child training in the Owari Kan Ryu style of spear-fighting, however.
• Oh, Crap!: His normally cool and calm expression changes to a terrified one, when he realizes that Moz is actually a much more skilled fighter than what he gave him credit for. He also flips out spectacularly when Tsukasa has his spear pinned, while Senku inches towards him with a 100,000 volt stun gun on his finger. Given his refusal to ever let his spear down if he can help it as his weapon, all Hyoga can do is scream and flail in terror before the zap.
• Social Darwinist: The difference between his ideology and Tsukasa's is that while both believe that the petrification offers them an opportunity to reboot society, Hyoga believes that only exceptional people should be restored while ordinary people are purged. When he's revived in Chapter 130, he's softened his stance just a little, seemingly being okay with leaving the "ordinary" people as statues rather than actively trying to destroy them.
• Spectacular Spinning: His fighting style involves twisting his spear in such a way that the tip moves in a circular rotation, making it nearly impossible to block. This is accomplished by sliding it through a pipe as he thrusts, while rotating the shaft with his thrusting hand. The spin uses the pipe as a fulcrum to exaggerate the motion of the spear's head along the extended shaft to make its movements much less predictable. This plus the pipe handle, which allows him to slide the spear back and forth incredibly fast without the friction of his own hand holding it, makes his weapon amazingly deadly.
• The Starscream: He was only Tsukasa's underling so he could have a chance at killing him one day.
• Villain Respect: When he's revived during the climax of the Treasure Island arc, Hyoga admits to himself that even though he disagrees with them, he respects members of the Kingdom of Science because they do things "properly". He even laments the fact that he and Senku have opposing goals.
• Weapon Specialization: His weapon of choice is a long spear. Specifically a pipe-spear, or Kuda Yari, as it is known in Japanese. Both it and the style he uses, Owari Kan Ryu, are real. His custom spear is considered the entire reason why Hyoga is a threat; while a terrifying fighter in his own right for what he can do with the spear, sabotaging it is what keeps him from killing Kohaku, and characters talk about how separating him from the weapon is probably the only way they can plausibly beat him. Senku and Tsukasa beat him by baiting him into a killing blow on Tsukasa, who holds it tightly enough while Hyoga would refuse to let go of his weapon as Senku sets up the knock out.
• We Can Rule Together: He makes this offer to Senku at the end of the Stone War, and makes it clear that he's willing to torture Senku into accepting it.
• We Have Reserves: Sends his grunts to attack Ishigami village under the logic that even if the foot-soldiers all die, it will provide him with valuable intel on whatever defenses Senku has set up. Soon afterward, he knocks them into a cloud of invisible gas to confirm that it's lethal.
• Worf Had the Flu: Or rather lost his preferred weapon. Turns out the reason he couldn't best Moz was because the weapon he was given was a simple spear, without the original's Spectacular Spinning features that allowed his fighting style to be so deadly. Once Senku and Co. manage to properly adjust the spear, Hyoga easily wipes the floor with Moz.
• Would Hurt a Child: The very moment that Tsukasa walks away to check out the explosion he heard, Hyoga swooped in with full intention of stabbing Mirai. Tsukasa managed to get back just in time to take the stab to the chest.

Homura Momiji

Homura Momiji

Voiced by: Aki Toyosaki (Japanese), Megan Shipman (English), Erika Langarica (Latin American Spanish)

A young woman in Tsukasa's army. She serves as Hyoga's right hand and acts as a spy/scout outside of combat, keeping an eye on Ishigami village from the trees.

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• Awesomeness by Analysis: She can identify every member of Ishigami Village by name, and immediately deduces that the sound bombs were a diversion once she realizes Gen, Chrome, and Magma are missing.
• Beauty Is Never Tarnished: Her scar is located on her thigh rather than her face.
• Chekhov's Gunman: After being quickly captured and imprisoned by the Kingdom of Science, she remains imprisoned in Ishigami Village. Several chapters later, she is released from jail by an unwitting Yo, and rushes to aid Hyoga in his coup against Tsukasa, mainly by blowing up the Cave of Miracles that produces the de-petrification formula.
• Contortionist: When Kohaku swings a katana at her, she leaps above the blade, bending her back almost 180 degrees, and then swings her legs up so her front is bent almost as far.
• Dark Action Girl: Appears to be Tsukasa's very own version of Kohaku; one of the first things she does is prove her worth by nearly burning down the whole village. The jury's still out on whether or not she's really all that bad though; Senku seems to believe that they can convert her to his side with the allure of creature comforts that science can create.
• Kill It with Fire: Causes more damage to Ishigami Village than the rest of Hyoga's invasion force combined thanks to her talent for creating and applying fire.
• Meaningful Name: Homura means "flame".
• Out of Focus: Out of Tsukasa's lieutenants, she's The Quiet One and doesn't get much to do besides spying on the Kingdom of Science and then Put on a Bus after Hyoga's defeat and both's imprisonment. Later, when Hyoga is released and does a Heel–Face Turn, Homura has even less speaking lines and becomes a background character.
• Pink Means Feminine: Her hair is completely pink, presumably naturally, since it would be extremely difficult in the Stone World to create enough hair dye of that particular color to keep dyeing it.
• Psycho Pink: Homura Momiji wears an all-pink outfit and has pink hair. Her Establishing Character Moment is her burning down Ishigami Village while Hyoga and his goons distract the heroes.
• The Quiet One: Is a woman of few words.
• She-Fu: Subverted. Homura can do backflips from tree to tree, but it doesn't make her a strong fighter. She is more of a threat as a scout and saboteur.
• Undying Loyalty: A villainous version. Her loyalty is to Hyoga, not Tsukasa or his cause. Thus, she is the only one to outright aid Hyoga in his attempted coup against Tsukasa. When it fails and the two are imprisoned, she is content that she at least gets to remain by Hyoga's side.
• Weak, but Skilled: She isn't much stronger than Senku, but has gymnastics training which allows her to make the absolute most out of her body's movements.

Niki Hanada

Niki "Nikki" Hanada

Voiced by: Atsumi Tanezaki (Japanese), Katelyn Barr (English), Gwendolyne Flores (Latin American Spanish)

"Allllright then, let's make a deal!! I don't see why I can't get on board with your plan!"

A sentry in Tsukasa's army. Upon discovering Senku's telephone, she tries to destroy it, until the voice of her favorite singer sways her to turn.

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• Affectionate Nickname: Back in her Judo club days, the underclassmen would call her "Nikki" or "Boss"; the former is what most of the characters in the Stone World call her.
• Braids of Action: She wears her hair in two braids.
• Brawn Hilda: Downplayed. While her figure is definitely 'Amazonian' and she's not exactly ugly either, Nikki is drawn with a lot of muscular bulk, has a rough personality, and isn't styled to be as beautiful as other prominent female characters. Her character design gets some changes around the Treasure Island arc, where she's drawn with slimmer muscles and larger eyes.
• Bruiser with a Soft Center: A tall, brawny former Judo-ka who describes herself as "tough as leather", but loved Lillian Weinberg's pop music and has very cute and girly handwriting.
• Cleavage Window: Her outfit in the Treasure Island arc is form fitting with extremely deep cleavage showing off her massive breasts, and forms a window with the scarf she wears as a collar.
• Dark and Troubled Past: Strongly implied, as she says that Lilian's music "saved" her, and flashbacks to her childhood show her with bruises and bandages on her face. However, this hasn't been explored past her introductory arc.
• Early-Bird Cameo: She appears in a Flashback in Episode 16, when people around the world are watching Lillian sing on the International Space Station.
• Fangirl: Of Lilian Weinberg, who she listened to during her student days to the point it "saved her". She even knows her exact record sales and three measurements.
• Heel–Face Turn: She was firmly on Tsukasa's side until she heard Lilian's voice on the last record on Earth. She swears to protect it by joining Senku's side.
• The "I Love You" Stigma: Unlike Amarillys, Nikki can't play seductress because she thinks love words can only be said to a special someone. Gen notes that she is still very pure at heart, implying that she hasn't had a romantic relationship yet.
• Non-Standard Character Design: Minor, but she starts noticeably lacking the "doe-eyed" look of some of the other female characters (Kohaku, Ruri, etc) and has more pronounced lips. As mentioned above, she does start getting drawn more in line with the other women in the series later on.
• Spotting the Thread: While Senku is able to accurately calculate Lilian's measurements based on a picture of her, those aren't her publicized measurements, which a fangirl like Nikki knows by heart. When Gen tries to claim that they're her real measurements, Nikki responds that a consummate professional like Lillian would never drop the façade in front of a fan.
• Statuesque Stunner: She is definitely Statuesque, as she stands at 180cm (or 5'11), which is quite tall for a woman and puts her comfortably over most of the male cast. The stunner part is debatable at first due to some Brawn Hilda traits, but Art Evolution veers her firmly into unambiguously attractive territory.
• Tomboy with a Girly Streak: She is tough and can fight evenly with any guy. She also likes Lillian Weinberg’s songs and girly clothes, wanting a pink skirt and sweater combo modeled by Suika.
• Unskilled, but Strong: According to the official character stats, she's got a 4/5 in power but only a 2/5 in technique. It shows at times in the series, as she tends to fight with wide, powerful swings but is often dodged by quicker or more technical fighters.
• You Are in Command Now: Though not through anyone's direct decision, Niki is the one who steps up after Senku and his closest allies are forced to go on the run to South America to find the source of the petrification beam/escape a vengeful Stanley, after capturing Xeno. In the meantime, the others of Senku's Kingdom of Science, who were left behind/captured in North America, are left to negotiate a ceasefire with the remaining Americans and set up Corn City. While Minami initially tries to take on the role, due to her superior command of English, it's ultimately Niki who takes over, using her more powerful personality to roll over the objections of Brody, ultimately prompting him to dub her “President” of the Japanese delegation.
• Women Are Wiser: She is part of the "Gorilla Team" along with Kohaku, Taiju, and Magma, and she and Kohaku are notably more mature and smart than the guys. She is often the one who keeps Magma and Yo in line.

Ukyo Saionji

Ukyo Saionji

Voiced by: Kensho Ono (Japanese), Mark Allen Jr. (English), Eduardo Garza (Latin American Spanish)

One of Tsukasa's direct subordinates. Formerly a submarine sonar operator, he has an extraordinarily sharp sense of hearing.

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• Anti-Villain: He's Tsukasa's right-hand man, but quickly demonstrates that he's an affable fellow with a strong sense of fair play. And then it turns out that he's not a villain at all, and willingly joins Senku's side because he wants the bloodshed to end.
• Co-Dragons: With Hyoga; Yo even refers to Tsukasa, Hyoga, and Ukyo as the "Big Three". However, it appears that Hyoga has a little more authority than Ukyo.
• Cunning Linguist: Speaks both English and Japanese and takes advantage of this to speak to Gen and Senku (both of whom, of course, also know English) without anybody understanding them.
• Early-Bird Cameo: He makes an unvoiced appearance in Episode 10 of the anime, about 40 chapters before his formal introduction in the manga.
• Giving Up on Logic: Ukyo serves as the dealer in Senku and Ryusui's cheating-heavy poker game in Chapter 144; when the game ends with five Aces on the table, he metaphorically throws his hands in the air and says "Whatever..."
• Heel–Face Turn: He becomes a full-fledged ally after Senku accomplishes beating Tsukasa's army without killing anyone.
• Hidden Agenda Villain: Despite having high standing in Tsukasa's army, he lies to Tsukasa about where he captured Chrome, keeping the existence of the hidden telephone a secret for some unknown reason. As it turns out, he's actually averse to violence and is trying to to keep Senku's group around in order to "test them out" and see if they'd be willing to stop Tsukasa's army without killing anyone.
• Improbable Aiming Skills: Shoots many arrows at Chrome, taking care to just barely miss each time. This while he's on the move to shoot from multiple angles and, thanks to a smokescreen obscuring his view, detecting Chrome solely through hearing. His most impressive show of marksmanship, however, has to be when he catches Chrome with an arrow in mid-free fall from a cliff.
• Older Than They Look: Implied. He's at the very least old enough to have been a highly experienced sonar technician even before the Stone Age, but he looks like he could pass for about 14 years old.
• Ridiculously Average Guy: He's reasonably intelligent and has exceptional hearing, but other than that he lacks any major quirks or personality defects, meaning he's probably the most "normal" character in the whole series. As such he typically plays The Watson in serious moments and the Only Sane Man in comedy beats.
• Super-Senses: Has an incredible sense of hearing courtesy of working with sonar equipment for submarines before the Stone Age. His eyesight is also clearly nothing to scoff at either, considering his Improbable Aiming Skills with his bow and arrow.
• Technical Pacifist: He doesn't like violence nor watching people die, preferring to use his arrows to corner his opponents and capture them despite his excellent aim. However, it's implied by his position in Tsukasa's army and capture of Chrome that he'd ultimately be willing to kill if he had to.

Yo Uei

Yo Uei

Voiced by: Yoshiki Nakajima (Japanese), Kyle Phillips (English), Ricardo Bautista (Latin American Spanish)

A former policeman recruited into Tsukasa's Empire of Might. His extreme disregard for rules and cavalier attitude about taking lives cost Yo his job, but he kept his combat training skills, making him a dangerous opponent. While Chrome is captured, he's in charge of guarding the prisoner and setting up the traps to foil Senku's rescue plan.

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• All Men Are Perverts: Is usually apart of the "drooling" crew alongside Ginro and Moz whenever a pretty girl comes around. He's very unlikely to successfully get with any of the women he tries to impress, however.
• Benevolent Boss: Yo is stern towards his subordinates, but does care about them. When one of them accidentally exposes one of the pit traps around the prison cells, Yo's punishment is a single Megaton Punch, but then immediately afterwards he says the matter is settled and tells the man not to dwell on it. When Chrome manages to escape, he takes the blame entirely upon himself, telling his subordinates to claim that he died chasing Chrome so Tsukasa and Hyoga won't punish them any further.
• Blatant Lies: After the Empire of Might falls, he tries to get into the Kingdom of Science's good graces by claiming that he suffered amnesia and doesn't remember anything he did before. Nobody buys it for a second, and he even admits to his "sins" when he thinks that helping Yuzuriha fix the broken statues will win him brownie points.
• Butt-Monkey: Up there with Ginro and Magma when it comes to being the butt of the joke and generally unfortunate. However, he generally brings it upon himself with his overconfidence, and he gets to genuinely shine sometimes when he gets out of his own way. Occasionally.
• Eyepatch of Power: He still has a patch of stone covering his right eye that gives him this look, though he later pulls it off and gives it to his subordinates to use as evidence of his death. Becomes part of a Running Gag where every time he gets surprised, his eyes would pop out and destroy the eyepatch.
• Faking the Dead: After Chrome escapes, rather than face whatever punishment Hyoga and Tsukasa would dole out for his failure, he has his subordinates tell them that he died trying to recapture Chrome.
• The Gunslinger: After Senku creates a primitive revolver, this becomes Yo's designated role, given his previous experience with firearms from being a police officer.
• I Always Wanted to Say That: After shooting Minister Ibara's hand he says "You have the right to remain silent", and happily remarks that he always wanted to say that.
• Improbable Aiming Skills: Parodied. When he tries out Senku's primitive gun, he misses all the bottles but hits a poisonous snake that nobody saw. Everyone praises him, but he thinks to himself "I really was aiming for the bottles... I need practice". Played straight in chapter 131, where he manages to shoot Minister Ibara's hand and make him drop the petrification weapon.
• Lawman Baton: His weapon of choice in the stone world.
• Not Me This Time: A comedic version. As mentioned, he develops a pseudo-rivalry with Magma centered mostly on his making fun of "the savages" for not knowing about modern science. In Chapter 87 when Senku declares that humans are going to fly, Magma starts to laugh it off but immediately suspects Yo is going to mock him...but Yo openly admits "Yeah, I'm not laughing this time, I have no idea what he's talking about either."
• Rabid Cop: In a flashback, he's shown being very flippant about shooting a suspect who was running away. This is softened somewhat in the anime when the flashback shows the fleeing suspect shooting at him first.
• Screw This, I'm Out of Here!: Cuts his losses and runs for the hills when Chrome escapes his prison under his watch, not wanting to be killed by Tsukasa or Hyoga.
• Sitcom Arch-Nemesis: Ends up in this dynamic with Magma after the two tribes merge.
• Smug Snake: He thinks he's on the same level as Tsukasa, Hyoga and Ukyo, but he's little more than a stupid, violent thug. At one point, Gen sets up a boat-designing competition to determine the vessel they'll use to sail to South America. His entry is a shoddily-made raft that wouldn't be considered sea-worthy under ANY circumstances.
• Stab the Scorpion: In Chapter 124, several members of the cast are extremely leery of entrusting him with Senku's newly-invented firearm. Then, when they line up some bottles for him to shoot, he misses completely...and a highly venomous (and now dead) snake falls from the ceiling, earning the others' respect. In the last panel of the chapter, Yo nervously thinks to himself that he WAS aiming at the bottles, and that he's going to have to get very good very fast in order to maintain their respect.
• Taking the Heat: Tells his subordinates that, once they report his death, they should place all the blame for Chrome escaping on him to avoid being punished themselves.
• Verbal Tic: He often says "Yo" for when trying to get someones attention, and "Uei" when surprised, though neither are limited to these situations. Of course his name is '''Yo Uei'''.

Minami Hokutouzai

Minami Hokutouzai

Voiced by: Yōko Hikasa (Japanese), Kristi Rothrock (English), Sara Feria (Latin American Spanish, Season 1), Ana Lobo (Latin American Spanish, Season 2)

"Who do you need?"

Formerly a reporter, Tsukasa utilized her skills to decide who to revive.

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• #1 Dime: She received a camera as a gift as a child, and we see a series of flashbacks of her using that camera for years, all until she's grown up and still has it. Only the petrification beam could make her drop it.
• Ambadassador: When the group arrives in North America, Minami stays with Nikki to serve as ambassador of the Kingdom of Science because she is one of the few who can speak English properly. Her negotiation methods with Brody are unorthodox but effective.
• Camera Fiend: After Senku builds a basic camera for her, she wastes no time making a documentary about the Kingdom of Science. She later carries a voice recorder.
• Early-Bird Cameo: She gets a voiced appearance in episode 19, which takes place long before she was officially introduced in the manga.
• Going for the Big Scoop: She's so passionate about her work as a reporter, that she would fall asleep still clutching her camera's strap. When Senku builds her a camera, we see what her reaction via flashback to the original petrification beam. When everyone else was gaping like a fish, she was raising her camera to document it.
• Hidden Depths: She initially comes off as a shallow Tsukasa fangirl, but over time it's revealed that she was quite passionate about her work. She breaks down crying Tears of Joy when Senku builds her a camera (or at least a daguerreotype), and she's the one most affected when the Perseus departs because she knows everyone personally and is worried that they might not make it back alive.
• Hot Scoop: She was a reporter with extensive knowledge of important people throughout Japan, and she's the most full-figured woman in the show's cast.
• Male Gaze: You could make a drinking game out of how much her rear gets shown every time she's in the spotlight. Pretty much every appearance she makes will have her body shown off one way or another.
• Meaningful Name: Her name translates to North-East West-South - in other words, NEWS.
• Ms. Fanservice: Definitely gives Kohaku a run for her money when it comes to how much the camera loves her. Senku outright describes her as a "Marilyn Monroe type".

Mirai Shishio

Mirai Shishio

Voiced by: Manaka Iwami (Japanese), Emi Lo (English), Susana Moreno (Latin American Spanish)

Tsukasa's younger sister. She had been rendered brain-dead prior to petrification, leading Tsukasa to become a prized fighter to pay for her life support. After winning the Stone War, Senku uses the de-petrification formula to free her and bring her back to full health.

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• Back from the Dead: Played with. Mirai wasn't "dead" before the petrification, but she was clinically brain-dead, meaning she was Only Mostly Dead. The only reason she's alive now is due to the healing properties of the petrification, meaning once Senku freed her, her brain was completely healed and she was effectively revived.
• Early-Bird Cameo: First appears in Chapter 11 as the little girl walking home from school with Tsukasa in Senku's What If? scenario where Tsukasa had been childhood friends with him alongside Tajiu and Yuzuriha. She is properly introduced in Chapter 79, when she is revived to full health.
• Satellite Character: Her entire character basically revolves around Tsukasa. Before she’s revived, she exists purely as the motivation behind Tsukasa’s actions. After she’s revived, her entire characterization centers around her brother. Once Tsukasa is successfully petrified and revived, she’s sidelined for pretty much the rest of the series.
• Younger Than They Look: She went into a coma at age six, then was petrified with the rest of the world six years later, meaning that she looks twice as old as she is mentally. Thanks to the relative harshness of the Stone World, as well as having to watch over her brother's body in cryo-stasis, she had to mature quite quickly — but thankfully she has plenty of friends around to help.

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