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Yo Uei (上井 陽 Uei Yō) is a Pre-Petrification human and former policeman before the Petrification occurred. Originally a member of Tsukasa's army before Tsukasa's downfall at the hands of Hyoga's betrayal, he defected prior to Chrome's escape, but eventually joins the Kingdom of Science after the two factions merge.

He works for Yuzuriha to rebuild the destroyed statues that are left behind by Tsukasa's brief tyrannical rule. Yo also works in the farming division under Taiju. However, he is constantly butting heads with Magma due to the primitive human constantly making fun of modern knowledge; Yo in return laughs at Magma's stupidity.

Appearance

Yo is a young man who has incredibly spiky hair. He has a massive piece of stone covering his right eye. For some inexplicable reason, despite ditching the stone eyepatch, it somehow makes a reappearance once Yo joins the Kingdom of Science.

When Yuzuriha builds a fashion store, Yo wears a modern outfit.[6]

Prior to the Petrification, Yo wore a police officer uniform.

Gallery

Personality

He is first shown as being abrasive, rude, and arrogant, having shown off his skills in front of his subordinates to prove how strong he is. He believes himself to be on the same level as Tsukasa and Hyoga when he is little more than a strong-but-unintelligent, violent thug. He also has a tendency to look down on people, especially the Post-Petrification people. He laughs off Chrome's attempt at escape, believing that he was trying to rub two sticks together to create fire to burn his way out (in reality, Chrome was using a battery, but uses Yo's misconception and belittlement to his advantage by feigning ignorance). In addition, he frequently laughs at the "savages" for not understanding modern science, such as laughing at Magma for looking down on modern science (Magma is the person he fights with the most). He can be rather dismissive, believing Senku to have gone nuts in chapter 96 when he starts building his GPS as he can't understand the science behind it. Despite this, he considers modern humans superior to "savages" and takes every chance he can get in proving this.

He is a coward and, once Chrome managed to escape, is quick to leave the Tsukasa's army for fear of punishment. He goes so far as to feign amnesia to join Senku's Kingdom of Science since it would mean a greater chance of survival. He tries to butter up to them by claiming he would like to "redeem himself" by working for Yuzuriha in repairing the broken statues, though this works against him as it proves to be more work than he wished. He is shown to dislike work, often complaining about having to help Yuzuriha's statue fixing (a rather arduous task) and needlework. He similarly complains about farming, though he can be motivated when the promise of profit or power comes along.

Even in his past, he was shown to often disregard rules, once shooting a suspect while claiming that it was because they were trying to flee, and similarly peeing on a wall while being petrified. He has also admitted to being trigger-happy, shooting people on sight. His abrasive, power-seeking personality also makes him easy to manipulate into doing Senku's and Gen's bidding. He often tries to butter up to his superiors while coveting power, though is mostly harmless due to his lack of intellect. He and Magma get into fights often about the capabilities of the "savages" and the capabilities of "modern people", along with their similar personalities, strength, and desire for power and leadership.

Despite this, he does have at least one or two redeeming qualities. While fleeing, he tells his remaining subordinates to tell Tsukasa that he died and to put all the blame of Chrome's escape on him (though this would have no consequences on Yo himself since he would be thought dead, but also no benefit) implying that he at least somewhat cares about his subordinates. He is even willing to redeem himself by helping Yuzuriha out by rebuilding statues with her.[7]

Abilities and Powers

Physical Abilities

As a former cop, he has training in police combat and is shown to be a somewhat competent combatant with a tonfa, though nowhere near as skilled as the likes of Kinro, Magma, or Kohaku. He is shown to be a very fast runner.

Marksmanship

Thanks to his experience as a police officer, Yo was trained in the usage of firearms, though due to a lack of practice since he was petrified, he is initially a poor shot, though he is able to improve after some target practice. However, his accuracy and skill is still far below Ukyo.

Equipment

Yo wields a single tonfa. He later wields a gun created by Senku.

Stats

Power
 
3/5 C
Speed
 
4/5 B
Technique
 
5/5 A
Reach
 
1/5 E
Yo's stats, according to Volume 9

History

Yo used to be a police officer before the petrification. In the past, he was quite unruly and bluntly reported to his superiors that he shot a suspect because they tried to flee.

He claims to have been peeing when he was petrified.[8]

Synopsis

Communications Arc

He is guarding Chrome's cell and talks about his desire to move up the ranks. He, along with his followers, mocks Chrome for his seemingly primitive thinking.

However, Yo attempts to capture Chrome after he escapes, but Chrome spits fake blood on him and hits him in his groin.[9]

Fearing the consequences for his failure, he gives his underlings a false report on his death and to report to everyone that he died.[10] But in actuality, he goes into hiding, though he seeks to redeem himself by capturing Chrome again. Finding Ishigami Village, he is about to put his plan into action, but comes across a captured Homura. After she notices him, she asks to be liberated and promises him benefits if he does.[11]

Yo later returns to the Tsukasa Empire, only to join the Kingdom of Science after learning that they won and is impressed by their skill. He lies that he lost his memory and aids Yuzuriha in fixing the petrified humans.[7]

Age of Exploration Arc

He creates a boat for a contest and ends up making a poorly-constructed raft.

Yo is amazed by the lifestyle of Ryusui, but is pleased by getting Dragos after learning its value. However, he is manipulated into working by Senku and Gen.[12]

When Senku announces plans to create a hot air balloon, Magma makes fun of him before looking at Yo to see if he is laughing, but the latter is just as confused. Yo is forced to take part in gathering supplies with Yuzuriha and Taiju. He and Magma then get into repeated arguments again.[6]

He takes up farming, but fails to make a good crop.

Treasure Island Arc

Yo is petrified by Ibara and his forces. He is later depetrified off-screen. Senku creates a gun for Yo to wield so he can shoot Mozu.

He demonstrates his skill by accidentally shooting a snake when he meant to hit another target. He internally resolves to keep to this himself after he is praised by the others.

During the battle, Yo tries to shoot Mozu when he invades the ship, but misses and gets beaten by him. Once Ibara's evil scheme gets exposed to the Petrification villagers, Yo has one bullet to stop him from using petrification weapon again like he did to Kirisame by shooting at the evil minister’s left hand. This time, he gets the shot and acquires the weapon, to his delight.[13]

Unfortunately, he doesn't know how to use it and Ibara uses it to repetrify him.[14] Yo is later depetrified by Senku and rejoices in the victory with his allies.[15]

New America City Arc

Yo wonders if the Whyman is intelligent or dumb after hearing them use Senku's voice to try to activate the Petrification Weapon. [16]

Yo is present when Tsukasa is revived and nervously threatens the latter with his pistol after watching him defeat Matsukaze in a sparring match. However, Nikki notices his trembling hand.[17]

After the potential threat of possible villains rise, Yo agrees before Tsukasa states he can handle it. Yo is scared after he recalls Tsukasa's skill.[18]

He is excited at the prospect of betting on Senku and Ryusui's poker game. [19]

He bets on Ryusui during the poker game. After Senku wins, Yo is disappointed, especially when his wages go to Ginro.

When Francois creates a bar on the ship, Yo is excited by this, but questions why there is no booze.[20][21]

He later complains on the lack of booze and is excited when beer is recreated. While drunk, Yo rants about his shooting of Ibara while Nikki remarks on how he loves to tell stories.[22]

Yo is later excited by the sight of sea creatures that pass by before they spot land.[23]

Once on land, Yo, along with Ginro and Magma, rejoices at finally being off the ship. The crew of the Perseus separates with Yo among the warrior team who follow the exploration team in the case of an attack. While passing through the river, the Mobile lab is attacked by alligators. However, Yo and the warrior team attack after being driven by their hunger. They defeat most of the beasts while the rest flee in fear. Afterwards, François makes burgers out of the dead alligators to feed the crew, with Yo happy at the meal.[24]

When the group sets up camp, they are alerted by Tsukasa to retreat because of danger. Surely enough, bullets rain down and Yo flees the area with his friends. [25]

The group then flees the scene while being pursued by the attacker, who is revealed to have built an aircraft, something that leaves Yo in complete shock. Yo desperately shoots at the plane while Hyoga tells him that it's pointless and a waste of ammo, but Yo wants to do at least something. Yo then watches Senku have Kirisame bring down the ship before they procure the downed plane.[26]

Yo is later shocked to see a plane flying over the Perseus and that the enemy has a second one.[27]


When Magma voices a plan to take the fight to Xeno, Yo protests this absurd plan, but he is smooth talked into going through with it. However, Nikki scolds them and prevents them from through with it. [28]

Yo is later present when a mysterious woman approaches the ship, claiming to have escaped the evil Dr. Xeno. He remarks that Senku may have a thing for blonde girls. [29]


He is later seen are ogling Luna while she is making her way around the ship.[30]

Trivia

  • His surname "Uei" is probably referred to whenever Yo makes a surprising or screaming expression.
  • He is the first person to be petrified three times.

References

  1. Dr. Stone Manga — Vol. 1 Chapter 1, Yo Uei is Petrified along with all of Earths Human Population.
  2. Dr. Stone Manga — Vol. 6 Chapter 71, Yo Uei first appearance meaning he was revived that year.
  3. Dr. Stone Manga — Chapter 103, Yo Uei is Petrified along with majority of the Perseus Crew.
  4. Dr. Stone Manga — Chapter 124, Yo Uei is shown to be depetrified.
  5. Dr. Stone Manga — Chapter 133, Yo Uei is shown to be petrified by Ibara in order to obtain the petrification weapon.
  6. 6.0 6.1 Dr. Stone Manga: Chapter 87
  7. 7.0 7.1 Dr. Stone Manga: Chapter 82
  8. Dr. Stone Manga: Chapter 84
  9. Dr. Stone Manga: Chapter 71
  10. Dr. Stone Manga: Chapter 74
  11. Dr. Stone Manga: Chapter 79
  12. Dr. Stone Manga: Chapter 86
  13. Dr. Stone Manga: Chapter 131
  14. Dr. Stone Manga: Chapter 132
  15. Dr. Stone Manga: Chapter 138
  16. Dr. Stone Manga: Chapter 139
  17. Dr. Stone Manga: Chapter 141
  18. Dr. Stone Manga: Chapter 142
  19. Dr. Stone Manga: Chapter 143
  20. Dr. Stone Manga: Chapter 144
  21. Dr. Stone Manga: Chapter 145, Page 4
  22. Dr. Stone Manga: Chapter 146, Pages 4 - 5
  23. Dr. Stone Manga: Chapter 147
  24. Dr. Stone Manga: Chapter 148
  25. Dr. Stone Manga: Chapter 149
  26. Dr. Stone Manga: Chapter 150
  27. Dr. Stone Manga: Chapter 152
  28. Dr. Stone Manga: Chapter 153
  29. Dr. Stone Manga: Chapter 154
  30. Dr. Stone Manga: Chapter 155

Site Navigation

v  e
Tsukasa Empire
Male Tsukasa ShishioHyogaUkyo SaionjiYo Uei
Female Homura MomijiMinami HokutozaiNikki Hanada
v  e
Pre Petrification Humans
Male Byakuya IshigamiGen AsagiriHyogaRyusui NanamiSenku IshigamiShamil VolkovTaiju OkiTsukasa ShishioUkyo SaionjiYakov NikitinYo Uei
Female Connie LeeDarya NikitinaHomura MomijiLillian WeinbergNikki HanadaYuzuriha OgawaMinami HokutozaiMirai Shishio
Unknown Francois
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