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The main characters of the franchise. note 
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This is the shared character sheet for the Astro Boy Manga and Anime.


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Main Robot Characters

    Atom/Astro Boy 

Astro Boy

https://static.tvtropes.org/pmwiki/pub/images/bw_astro_boy_character_pic_528.png

Voiced by: Mari Shimizu (JP, 1963 and 1980 TV Series), Kazue Tagami (JP, 1963 Series; eps. 97-106), Makoto Tsumura (JP, 2003 TV Series), Rie Murakawa (JP, Little Astro Boy), Romi Park (JP, Go Astro Boy Go!); Billie Lou Watt (EN, 1963 TV Series), Patricia Kugler Whitely (EN, 1980 TV Series), Steven Bednarski (EN, Canadian broadcast of 1980 TV Series), Candi Milo (EN, 2003 TV Series); Esperanzita Martínez (Latin-American Spanish, 1963 series),Rocío Garcel (Latin-American Spanish, 1980 series), Claudio Velásquez (Latin-American Spanish, 2003 series)

A robot boy built to replace his creator's deceased son. He possesses the strength of 100,000 horsepower (later 1,000,000) and a heart of gold. He possesses what's referred to as the Omega Factor / Kokoro, which allows him to feel emotions and thought processes identical to that of humans (and in the 2003 anime, to modify his body as he grows mentally). His ultimate wish is to create a world where humans and robots live and work as equals — sort of like a tin-can Martin Luther King Jr. His powers include super-strength, rocket-propelled flight, universal translation, super senses, a laser finger/arm cannon, and twin machine guns in his butt.


  • All-Loving Hero: He firmly believes that humans and A.I robots can coexist peacefully as equals. Whenever possible, he tries to talk his enemies down instead of blasting them to ashes. Ultimately forgives the Big Bad for all his evil and this causes his final defeat.
  • Arm Cannon: Gained it with the 2003 series in his left arm, wherein it became and still remains his most powerful weapon of all. note 
  • Ass Kicks You: As mentioned already, he has machine guns in his butt.note 
  • Badass Adorable: Given the fact that he's an incredibly powerful combat robot that resembles a small boy, it's not a big surprise.
  • Butt Cannon: Astro has twin machineguns mounted in his butt. It's even in the trope image.
  • Combo Platter Powers: In the original manga story "The Birth Of Astro Boy", his "seven special powers" are described as being able to fly, having 100,000 horsepower, discerning whether people are good or evil, amplifying his hearing up to 1000x, using his eyes as flashlights, understanding and speaking sixty languages fluently, and his infamous secret weapon; twin machine guns in his rear end. However, in other adaptations he has different or additional abilities; in the 1983 series he was able to shoot lasers out of his finger tips, and he also gets an Arm Cannon in the 2003 series.
  • Dub Personality Change: The English dub for the 2003 anime gives the normally pleasant Astro a more snarky attitude.
  • Flying Brick: His usual "fighting style" consists of "fly towards it with my fist out and watch it smash". Given how fast and powerfully he can chain these rammings together, it's quite an effective method regardless.
  • Friend to All Living Things: In all incarnations, he's shown to be open on helping out not only humans and robots. But also animals, such as protecting and guarding a baby elephant from poachers in the 1980s anime.
  • Incorruptible Pure Pureness: Despite being a robot, Astro is a strong believer of being non-violent and manages to see some goodness inside some of his enemies and antagonists. Notably shown in the finale of the 2003 series where he forgives Dr. Tenma by giving him a hug.
  • Kid Hero: Astro was built and based both looks and personality-wise on Tobio, Dr. Tenma's young son who died in a car accident, and is a brave, heroic individual who has all kinds of impressive powers.
  • Living Lie Detector: Part of the "Seven Special Powers" package. However, Astro can be tricked into thinking it's incorrect, and it tends not to work so well with robots as it does humans.
  • Martial Pacifist: With his child-like personality, kindness and compassion for robot and organic being alike and strong desire for a fairer, more peaceful world for both, Astro is exactly the kind of bot who always looks for the best in people and would rather take a peaceful approach to problems. Provoke him enough and/or threaten his loved ones though, and he can lay down an absolute beating.
  • More Dakka: Finger lasers, a Wave-Motion Gun arm and a seemingly bottomless cache for his machine guns means Astro can open continuous fire for quite a while.
  • Nigh-Invulnerability: His skin is made of an incredibly dense but pliable super-plastic that makes him nearly indestructible. For reference, he once survived a fall into the Sun with only superficial melting to show for it.
  • Replacement Goldfish: Not only himself; in the manga, he manages to bond with Dr. Tenma's wife, Hoshie. After she dies during Astro's time at the circus, Astro asks to have the robotic mother Dr. Ochanomizu builds for him made in Hoshie's likeness. (Tenma gives the duplicate of his wife training in secret to help her be a better Goldfish for Astro.)
  • Ridiculously Human Robots: Thanks to his Omega Factor/Kokoro and basage on the very much human Tobio, Astro's personality is pretty much indistinguishable from a regular living being, to the point where he has his own very strong sense of justice and desire for a peaceful world for both humans and robots.
  • Robot Kid: Astro was built in the image of Tenma's dead son, which is why he looks like a little boy.
  • Robot Superhero: Dr. Tenma initially built Astro Boy to be a replacement for his dead son, but the robot soon went on to fight evil and save lives on a regular basis.
  • Super-Powered Robot Meter Maids: He was built to be a replacement for Tenma's dead son, which would have implied a peaceful lifestyle, but Tenma chose to equip him with all manner of weaponry and some seriously impressive physical capabilities (up to and including 100,000 horsepower strength), making him suitable for combat.
  • Super Prototype: In the 2003 series — specifically highlighted in the manga — Astro is this. Essentially, Tenma created two ultimate works: the world's most powerful combat robot, "Prototype-G", and the world's first and purest AI, devoid of corrupt thought patterns. He put these two together and made them in the likeness of his dead son, and wham-bam, you get Astro.
  • Super Speed: Considering Astro can at least break escape velocity and has on at least one occasion flown around the Earth's diameter in only a few seconds, those rocket legs aren't just for show.
  • Took a Level in Badass: During the infamous "World's Strongest Robot" storyline, Astro was given the strength boost of one million horsepower by Dr. Tenma in order to overcome Pluto. Unlike your typical plot wherein the hero learns they had the power inside them all along and etc., Astro keeps the upgrade. Well, until the time travel arc, where his original self was destroyed and succeeding appearances reverted him back to the usual hundred thousand.

2009 Version

https://static.tvtropes.org/pmwiki/pub/images/astroboy2009.png

Voiced by: Freddie Highmore (EN), Aya Ueto (JP), Víctor Mares Jr. (Latin-American Spanish, 2009 film)

The version of Astro as he appears in the movie. Instead of perishing in a car accident, Toby Tenma was vaporized by accident after sneaking into the testing grounds for the Peacekeeper military robot to spend time with his father. Heartbroken, the elder Tenma rebuilt Toby as a robot with all of his memories as well as his personality, powering the robotic Toby with the Blue Core, a source of endless positive energy and the opposite of the negative Red Core that powered the Peacekeeper.


  • Achilles' Heel: Being a robot, he is still badly affected by powerful electric shocks due to his inner circuitry. In addition, being near the Red Core will destroy his Blue Core as the two neutralize each other in a catastrophic explosion.
  • All-Loving Hero: Even when Hamegg forced him to fight Zog and repeatedly tortured him with a taser, Astro still refused to let the evil ringleader die.
  • Anime Hair: Lampshaded by the cleaning robots:
    Cleaning Robots: Check out the haircut on that one, it looks like he's got horns!
  • Arm Cannon: A carry over from his 2003 incarnation.
  • Awesome, but Impractical: His Butt-Mounted Machine Guns, which are surprisingly effective when fired into the Peacekeeper's eye while Astro was completely restrained otherwise. Even Astro lampshades the absurdity of it.
    Astro: [glancing at his rear] I've got machine guns, in my butt?!
  • Badass Adorable: He's still Astro Boy with all of the necessary powers. This much is a given.
  • Back from the Dead: His Replacement Goldfish status aside, he pulls this off twice, the first he's rebooted after Tenma had a change of heart, the second when Zog revives him after dying in the Peacekeeper.
  • Child Prodigy: The original Toby casually solved complex physics problems and walks out the quiz room just a few minutes into an exam. Solving four-dimensional calculus problems is his best chance for bonding time with his father, who even states that they're his favorite (but Astro demonstrates more indifference despite his ability to solve them). Crosses into Insufferable Genius for a scene where one of his classmates threw a textbook at him as he walked out the door. In fact, one of the first scenes of the movie is when Toby rewires his robot butler to get him to drive to the Ministry of Science despite his father's orders to the contrary, leaving the poor robot loopy all the while. Astro takes this further by constructing numerous small flying wooden airplanes based on da Vinci's theories, including a triplane that splits into three smaller planes with no apparent difficulty.
    Toby: For rocket science, it wasn't exactly rocket science. Good luck, guys! [gets a book thrown at him as the door closes]
  • Clothing Damage: Astro's clothing gets scuffed up and blown off throughout the movie, culminating in the finale where he's left in nothing but his classic outfit.
  • Combo Platter Powers: Has all of the powers of the 2003 version, including the rocket boots, super strength, super speed, incredible toughness, x-ray vision, and of course, the butt-mounted machine guns.
  • Dead Hat Shot: All that's left of the original Toby after the incident is his baseball cap and the single strand of hair inside that Tenma uses to reconstruct Toby's personality.
  • Destructive Savior: Astro inadvertently destroys much of Metro City while fighting the Peacemaker, which is particularly important when the power plant is destroyed, causing Metro City to fall to the earth below.
  • Die or Fly: His rocket boots first activate after he falls out a window.
  • Family-Unfriendly Death: The original Toby was vaporized on-screen by the Peacekeeper rather than being killed in a car accident.
  • Go Out with a Smile: Smiles as he allowed Tenma to remove the Blue Core, effectively killing him. He also smiles to his father before and while diving into the core of the Peacekeeper to destroy each others power sources.
  • Heavenly Blue: The Blue Core is pure positive energy and has the power to repair and restore other robots while granting Astro a virtually limitless supply of power. Naturally, its a bright pale blue.
  • How Do I Shot Web?: Repeatedly fumbles with his powers as he learns about them, but usually masters them within a few minutes.
  • Laser-Guided Amnesia: Justified; when "Toby" wakes up, he doesn't remember his fatal accident at all. All he knows is his dad is uncharacteristically affectionate and he's getting homeschooled now. It takes a while for him to realize that something is wrong.
  • Martial Pacifist: Would prefer to talk out all of his problems, but will scrap any evil robot who tries to hurt others.
  • Meaningful Rename: Being called Astro is the first step to him distancing himself from his former identity as Toby Tenma, when he believed himself to be human.
  • My Life Flashed Before My Eyes: We get a recap of all of Astro's most cherished memories Right before he sacrifices himself to destroy both the Red and Blue Cores.
  • Naughty Is Good: Although he's a nice kid, he's not above doing questionable and even shady things to get what he wants, rewiring his robot butler to take him to the Ministry and stealing a passkey by lying to a guard in order to get access to the test site. Unfortunately, this leads to Toby's death.
  • Nice Guy: As per the original, Astro is an absolute sweetheart who just wants to fit in despite his powers.
  • Nigh-Invulnerable: While he's bothered by the things he faces, very few are able to do more than cause him a little pain. For instance, being subject to two Wave Motion Guns and a Macross Missile Massacre could only knock him out and dirty his clothes rather than dealing lasting damage.
  • Parental Abandonment: Most of his problems can be traced back to his father's own hands-off parenting style and Workaholic tendencies, leaving Toby (and Astro) starved for attention and thus causing them to act out against his wishes.
  • Replacement Goldfish: As per the original, but he's rejected for the same reason. But in this version Tenma grows to respect Astro as his son just as much as the original Toby, averting this trope by accepting Astro as his own person.
  • Ridiculously Human Robot: Can eat, sleep, think, feel and is otherwise no different from a human at a glance. Having Toby's memories and personality means that he truly believed he was human for the first quarter of the movie.
  • Sesquipedalian Loquaciousness: Toby goes into minor Techno Babble while speaking to President Stone, causing the latter (who's a college dropout) to feel inadequate and force Toby to stay behind.
    Stone: So you're interested in robots, son, huh? Robot weapons?
    Toby: Absolutely. Though I'm sure you'll agree that the latest D-Class Interceptor line of deployment to target system is quite old-fashioned.
  • Super Strength: Can easily lift things much larger than himself, drag multiple flying police vehicles along, effortlessly dig through a a mountain, and lift all of Metro City to keep it from crashing into the ground.
  • Tomato in the Mirror: The poor kid is hit hard by the revelation that he's a robot right before Professor Stone's men try to hunt him down and eventually chase him off Metro City. He gets over it in time though, and begins freely using his robotic powers when no one's looking and even has fun with them. That said, his dual identity as a robot with the mindset of a human weighs heavily on him throughout the film and he's terrified of what others would think of him should the truth get out.
  • Underwear of Power: His final outfit after the rest of his clothes were blown off as a result of his Heroic Sacrifice.
  • You Can See Me?: A variation in that the first thing that tells him that something is wrong is when he's able to interpret what the cleaning robots outside his windows are saying, which should be impossible for a human. He tries to get an explanation for this from them, but gets a spray of cleaning solution in his eyes for his trouble, leading him to discover his rocket boots and soon the rest of his powers.
    Astro: [trying to clean out his ears] Wait, I can understand you?
  • You Have GOT to Be Kidding Me!: Said word for word as the Peacekeeper robot swings an entire skyscraper as a baseball bat with Astro as the ball.

    Uran/Astro Girl/Zoran 

Uran / Astro Girl / Zoran

https://static.tvtropes.org/pmwiki/pub/images/0000084CHT_8555.gif

Voiced by: Yoko Mizugaki/Reiko Mutou/Kazuko Yoshikawa (JP, 1963), Billie Lou Watt (EN, 1963), Masako Sugaya (JP, 1980), Becke Wilenski (EN, 1980), Emi Motoi (JP, Tome of the Blue Knight), Miki Maruyama (JP, 2003), Susan Blu (EN, 2003); Vanessa Garcel (Latin-American Spanish, 1980), Rebeca Michelle (Latin-American Spanish, 2003 series)

Astro's "sister". Much brattier than her brother, she has fewer compunctions about using her abilities for personal gain and sometimes shows less regard for human life, or at least human values as well, which would be kind of scary if she weren't so darned cute. Though she is less interested in humans than her brother, she has a fondness for other living things, and in some versions is able to communicate with animals. In her debut story she also gained the power to split herself in two, but due to her strength being halved, it is never used again. Uran's origins are somewhat vague, as Tezuka sometimes stated she was created by Ochanomizu, and at other times by Tenma as a failed prototype.


    Cobalt/Jetto 

Cobalt / Jetto

https://static.tvtropes.org/pmwiki/pub/images/_astro_boy_cobalt_character_pic_7775.png

Astro's younger brother. He is omitted from most adaptations of the series, but can be seen in the original manga and the 1960's anime. In the manga, he was originally created to replace Astro - who'd gone missing - during a crisis. When the crisis ended and both robots met each other, it was decided that they would live as brothers together. As Cobalt was not created by Tenma, he lacks the power and capabilities that Astro has. While similar in appearance, Cobalt is taller than Astro and his hair spikes are longer.


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     Astro's Parents (Rin and Ethanol) 

Astro's Parents (Rin and Ethanol)

https://static.tvtropes.org/pmwiki/pub/images/astroboyfamily.jpg

Astro Boy's robot parents created by Professor Ochanomizu. They are designed to act and look like normal humans.


  • Adaptational Backstory Change: In the manga and other incarnations, they were created by Profoessor Ochanomizu so Astro won't feel lonely. In the 1980s anime, Astro discovers Rin and Ethanol as two unprogrammed robots in a middle of a mission. After getting rescued, Ochanomizu decides to turn them into Astro's robotic parents.
  • Adaptation Dye-Job: In Tezuka's original designs of Astro's parents, they were depicted with black hair. In the 1983 and 2003 series, Rin is depicted with brown hair.
  • Adaptational Attractiveness: While already having a pretty design, Rin is given a more attractive design in the 1980s series. The 2003 series gives her a more cuter design resembling Astro alongside her husband.
  • Good Parents: In all appearances, they are shown to be very caring and nice with Astro and his robotic siblings.
  • No Name Given: While they names are never uttered in the manga and various animated incarnations. Japanese reference books refer to Astro's mother as Rin (the Japanese word for Phosphorus), and Astro's father as Ethanol.

    The Blue Knight 

The Blue Knight

https://static.tvtropes.org/pmwiki/pub/images/astro_boy_the_blue_knight_character_pic1_9530.png

A robot revolutionary who wants to create a nation where androids can live freely, no matter what the cost. Think of him as the Malcolm X to Astro's Dr. King and you're not too far off.


    Shadow 

Shadow

https://static.tvtropes.org/pmwiki/pub/images/astro_boy_shadow_character_image_787.png

Appearing only in the 2003 series, Shadow was created by Dr. Tenma to construct powerful robots that would test Astro's power. His electronic brain contains all of Dr. Tenma's memories and an equal - if not superior - intellect.


  • Adaptational Villainy: In the 2003 series, Shadow betrays Dr. Tenma and leaves the Earth peacefully. In the Astro Boy Videogame, Shadow betrays Tenma, kills Pluto using an Evil Counterpart named Acheron he created, and then tries to kill off humanity and Earth itself to rule over a world of robots.
  • A.I. Is a Crapshoot: A benevolent and apathetic version in the 2003 series where Shadow decides he's had enough of Dr. Tenma's obsession with Astro and takes on his appearance, betrays him, and decides to lead his legion of robots into space to avoid humanity and create a new peaceful world of robots.

    Atlas 

Atlas

Voiced by: Michiru Hojo, Katsuji Mori (JP, 1980), Nobuyuki Hiyama (JP, 2003), Greg Cipes (ENG series)
A robot built with similar capabilities to Astro. Often regarded as his "brother" (in the 80s series he was built from the same blueprints, in the 2000s series he was actually created by Dr. Tenma himself). While Astro chose to help humans, Atlas believes that robots must rise up and destroy them. He has an inferiority complex and anger issues both due to mistreatment from humans and constantly losing to Astro.

  • Composite Character: Both colour anime series' combine him with Cobalt, Astro's brother from the original series. The 80s version also adds aspects of The Blue Knight, but this wasn't repeated in the later series, where Blue Knight was retained as a separate character.
  • The Dragon: Well, in the 2003 series, at least until Tenma's decided Atlas has nothing more to offer Astro.
  • Evil Counterpart: A young man in a wealthy household whose father in a position of higher power neglects him, causing him to act in a way that would lead to his untimely death before being reborn as a robot through Dr. Tenma. Now, are we talking about Astro or Atlas?
  • Lonely Rich Kid: In the 2003 series.

    Zero/Elec/Denkou 

Zero / Elec / Denkou

A stealth robot that was stolen by Skunk and used to commit crimes. He's incredibly naive and doesn't understand the concept of theft. He's tragically destroyed in the manga and original anime but made much cuter in the 2003 series and survives.

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Main Human Characters

    Dr. Umataro Tenma / Dr. Boynton / Dr. Balthus 

Dr. Umataro Tenma / Dr. Boynton / Dr. Balthus

Once a kindly robotics scientist and the head of the ministry of science till his son was killed in a car accident. He went off the deep end and built Astro Boy to replace him, but his unstable mind led them to being separated. Is both a villain and a mentor to Astro, and comes to believe Astro Boy will grow up to lead all robots in the future.

  • Adaptational Heroism: The 2009 CG film shows him as absentminded and Innocently Insensitive at worst; When he's telling Toby not to visit him at his workplace, it turns out it was because a dangerous experiment was going on, and Toby gets caught in the crossfire. When Tenma builds Astro, he vows to pay attention to him and be the father he never was... and faces the reality that he never knew Toby or Astro when the robot learns to fly rather than learn physics. Despite promising to deactivate him for President Stone, Tenma can't do it and only deactivates Astro temporarily, before buying time for him to run.
  • Animal Stereotypes: Often compared to horses (though he also looks like a rooster)
  • The Atoner: While he knows he can never truly make amends for his actions, he helps Astro frequently after regaining his affection for the robot. He builds robotic parents for Astro, enhances Astro's power to one million horsepower (700 MW) when he fights Pluto, rescues Astro from a Cleopatra robot, and rebuilds Astro after he is destroyed while trying to protect Blue Knight.
  • Big Bad: The 2003 series bumps him up into this, albeit of the Non-Action variety, though he's still competent and feared.
  • Blue-and-Orange Morality: With exception of the CG movie, in all incarnations (save for the one or two where he presumably died) Tenma always becomes antagonistic, outright villainous even, but eventually abandons whatever mad pursuit he has in mind in order to support Astro. However, one should note that Tenma never actually abandons whatever his twisted ideology became, he just backs off of it for the sake of his robot son.
  • Driven to Madness: In the original manga, Tenma had a fair bit of Sanity Slippage upon realizing he wanted Astro back to the point of pointing a gun at his robot parents, as well as feeling mankind as a whole was inferior to robots. In the 2003 anime, he takes the latter as far as it can go to the point of conspiring to mold Astro into his "King of Robots", who would lead them in taking the Earth...himself being the sole human they would answer to, of course.
  • Evil Mentor: 2003 series only. The early episodes have him corrupting robots and causing them to attack Astro in the hopes that it will cause the boy to come into his own power. Astro realizes how messed up this is.
  • Evilutionary Biologist: In the 2003 series, albeit for robots instead of animals or humans. He believes that human evolution has been stagnant and it's time for robots to take over. He pits them against each other to weed out the strongest and push Astro to evolutionary pinnacle and into his “destiny” as the king of robots.
  • Forced to Watch: In the 2009 film, he's there when Toby dies. Tenma accidentally traps him behind a barrier when stopping a rampaging robot, and desperately tries to undo it to free his son. When he can't, Tenma goes to Toby, tries to reach to him through the glass, and tearfully tells him everything's going to be okay...before the robot vaporizes Toby in a bid to escape.
  • Friendless Background: Outright stated in the 2003 series that a younger Tenma had to build his own robot friends, because he couldn't make any the conventional way.
  • Hypocrite: Humans are inferior to machines, says he. Except him. Robots should obey him when it's convenient. (Admittedly, in the 2003 anime he was intending to convert himself into a robot and leave his "inferior" human body behind)
  • Interrupted Suicide: in the 2003 Series Finale, he tries to blow himself up after Astro rejects him again, saying that he will Taser the boy if he comes any closer. Astro powers through the pain and gives him a Cooldown Hug, calling him "Dad" sincerely for the first time. Tenma drops the Taser and agrees to escape with him.
  • Knight Templar Parent: In the 2003 series, boy, is he ever. He more or less always does have Astro’s best interests at heart, but true to the trope, doesn’t care who he bulldozes for his son’s “good.”
  • Love Makes You Crazy: A platonic example, and combined with Love Makes You Evil. Everything he does is to make sense of his son's death and try to get him back in any way possible. This is probably guilt-driven as well, as most versions regard Tobio's death as My Greatest Failure.
  • Mad Scientist: Could be the trope codifier, complete with white lab coat and crazy hair.
  • Married to the Job: Tenma was a workaholic while he was with the Ministry of Science, leaving his first son Tobio as a Lonely Rich Kid.
  • Not Good with People: In the manga, Tenma occasionally wondered if he'd get along with Tobio if he was a robot before the accident (although he was decent enough to kick himself for thinking that). Ironically, he turns out to not be that good with robots, either...
  • Outliving One's Offspring: Toby's death in all versions is this for him. Either Toby dies because he rides off in a car or bike after they had a fight, and suffers a fatal accident. In the 2009 film, Toby sneaks into a restricted area of his workplace and gets killed when an experiment goes wrong.
  • Papa Wolf: The 2009 version, after getting his act together, is willing to face down the military, its furious commander in chief, and their killer robot to protect Astro, his A grade Death Glare showing it's probably a good thing for them that he couldn't actually get his hands on them. This is less pronounced in other works, due to his Abusive Parents tendencies, but he usually does regret his behavior towards Astro in some capacity and will step in to help or save him.
  • Parental Neglect: Tenma was this to his son Tobio due to his workaholic tendencies, leaving his son in the care of a robot maid that he planned to get rid of for an upgraded version despite Tobio's protests. It's this flaw in his parenting that lead to his son's death which causes him to become highly possessive of Astro later on.
  • Parting-Words Regret: In most versions, he gets into a fight with Toby which leads to the latter's accident. It's averted in the 2009 film where Tenma spends Toby's last moments trying to comfort a scared boy about to die, and Tenma is regretful that he wasn't able to protect his son.
  • What Happened to the Mouse?: Unlike his 1963 anime iteration where he occasionally resurfaced, he vanishes in the 1980 anime after he remorsefully looks for Astro Boy.

    Professor Ochanomizu / Dr. Packerdermus J. Elefun / Dr. O'Shay 

Professor Ochanomizu / Dr. Packerdermus J. Elefun / Dr. O'Shay

https://static.tvtropes.org/pmwiki/pub/images/drelefun.png
Voiced by: Hisashi Katsuta (1963, 1980 & 2003 series), Bill Nighy (2009 film), Yohei Tadano (JP, Go Astro Boy Go!)
The kindly successor to Dr. Tenma as the head of the Ministry of Science and an advocate for robot rights. He rescues Astro Boy and raises him as his son. Ridiculously knowledgeable and dependable.

  • Adaptational Intelligence: The 2003 series has him reactivate Astro without having any safeguards in place to keep an all-powerful robot child from causing damage. In the 2009 film, he questions Tenma's wisdom in recreating Tobio and tries to help Astro when the boy realizes he's not human.
  • Accent Adaptation: He's given a German accent in the 1963 English dub of the anime.
  • Big Good: In stark contrast to Dr. Tenma, he believes mankind and machines can live together in harmony to build a better mutual future and it was his kindness that inspired Astro to become the hero he is.
  • Berserk Button: He doesn't like it when people make fun of his nose. In the 1960s series, he would start sneezing when getting angry.
  • Gag Nose: Ochanomizu is notable for having a big nose which is also very sensetive. Despite this, he doesn't appreciate it when people make fun of his nose.
  • Mr. Exposition: His role in the 1980s and 2003 series is to explain Astro alongside the audience about the possibilities that robots should be treated equally with society.
  • Mr. Fixit: He's able to reprise broken or almost destroyed robots.
  • Named by the Adaptation: Atom: The Beginning gives him Hiroshi as a first name.
    • Decomposite Character: actually Atom: The Beginning splits him in the younger Hiroshi Ochanomizu, creator of the prototype "Robot with a Soul" destined to become Astro, and the elder "Professor Ochanomizu", father of all robotics and father of Prime!Astroboy
  • Reasonable Authority Figure: In all appearances, Ochanomizu is able to teach Astro about the relationship between humans and robots and the importance of helping out others.
  • Parental Substitute: Before creating Astro's robot parents, he served as the adoptive father to Astro after Dr. Tenma abandoned him.

    Shunsaku Ban / Albert Duncan / Hector / Pompous / Mr. Mustachio / Higeoyaji / Daddy Walrus 

Shunsaku Ban / Albert Duncan / Hector / Pompous / Mr. Mustachio / Higeoyaji / Daddy Walrus

https://static.tvtropes.org/pmwiki/pub/images/higeoyaji.jpg
Voiced by: Masaaki Yajima, Ayao Wada (JP, 1963), Kazuo Kamakura (JP, 1980), Kousei Tomita (JP, 2003 and most of his appearances in Tezuka anime)
An eccentric old man who has an extensive occupational past, having seemingly tons of jobs at once. Chiefly seen as a teacher and private investigator. Though gruff and short-tempered, he loves mentoring children, especially Astro. He tends to brag too much about his abilities, but can back them up - to an extent.
  • Black Bead Eyes: His default design depicted him with beady eyes, but is sometimes given pupils in some of his other appearances alongside the 1980s and 2003 incarnations.

    Police Inspector Tawashi / Inspector Gumshoe 

Police Inspector Tawashi / Inspector Gumshoe

Voiced by: Shingo Kanemoto/Kouichi Chiba (JP, 1963), Joji Yanami (JP, Jetter Mars), Ichirō Nagai (JP, 1980), Tomomichi Nishimura (JP, The Last Day on Earth), Banjo Ginga (JP, 2003), Bill Farmer (EN, 2003)

A detective who is distrustful of robots and androids. Due to his position and opinions, he frequently butts heads with Ochanomizu and Astro because his style of work when it comes to robot criminals is to shoot first and ask questions later. He eventually comes around to respect and appreciate Astro Boy. Often forms half of a Good Cop/Bad Cop act with fellow recurring policeman Inspector Nakamura.


  • Jerkass Has a Point: He tells Elefuin in the 2003 series that he knows that Elefun didn't build Astro. Elefun is in Stunned Silence as Tawashi goes on to explain that the creator went mad.
  • Reasonable Authority Figure: 2003 series. He's willing to hear Elefun out when learning the man reactivated a robot with no program and caused a citywide blackout for a few minutes. Tawashi at first hunts down Astro when the boy gets loose in the pilot but calls it off when the boy saves his police force and calms down Magnamite. His bigger concern is that Astro Does Not Know His Own Strength and can prove to be a danger without anything knowing.
  • Unreliable Expositor: Zigzagged in the 2003 series; he says that Tenma went mad because of his ego and wanted robots to conquer humans. Elefun and Tenma later reveal that Tenma was grieving his son Tobio, and that's why Tenma had a breakdown and built Astro.
  • What the Hell, Hero?: He knows Astro isn't to blame, but calls out Elefun in the 2003 series for activating Astro without knowing what he could do, and knowing Tenma went underground after having a breakdown in the Ministry of Science.

    Hamegg / The Great Katchitori 

Hamegg / The Great Katchitori

A shady man who often tries to steal money. In most incarnations he first appears as the owner of a robot circus and obtains Astro Boy shortly after Tenma disowns him.

  • Bait the Dog: Hamegg gets a case of Adaptational Heroism for almost half of the 2009 film and he genuinely treats the children he cares for with care and respect, even comforting Astro on his first night about being an "orphan"... Then he puts on his classic top hat and knocks out Astro for his fighting games. Later, he tries to callously abandon all of said children so that he can go get rich somewhere else. Fortunately, Zog holds him while the kids grab his car.
  • Bitch in Sheep's Clothing: In the 2009 film, where he appears to care for orphaned children and robots, until it's revealed that he... really doesn't care about robots nor the orphaned children; he just cares about money. He also puts robots (including Astro) in gladiator fights just for self-entertainment.
  • Friend to All Living Things: He appears as this in the movie, adopting orphaned children and repairing broken robots. Subverted in that he repairs them for combat in a gladiator tournament and thinks lowly of robots, just like in prior adaptations, and later is fully intent on driving off and abandoning the orphaned children so that he can get rich elsewhere.
  • Humiliation Conga: When his true nature towards robots is revealed in the 2009 film, he gets booed by his audience for his harsh treatment towards Astro. Later, he attempts to leave the orphans behind in pursuit to get rich. Fortunately, Zog stops him before doing so and Cora and the others take his car to find Astro.
  • Laser-Guided Karma: In the 2009 film, he attempts to abandon his orphaned children to get rich somewhere else, only for Zog to pull him out of his car and allow the children to fly to Metro City to help Astro.
  • Reused Character Design: In the 60's anime, Hamegg was a recurring villain. All but two appearances were treated as separate characters.
    • Hamegg himself was a villain from Tezuka's earlier works, such as Angel Gunfighter and Kimba the White Lion.
  • What Measure Is a Non-Human?: In the 2009 film, he appears to have some affinity for robots and rebuilds them to "get them back on their feet. However, it's revealed to be a crusade; in actuality, he sees robots as machines who do what he's supposed to tell them and puts them into destructive fights until one is destroyed, just for the money. When he discovers Astro is a robot, this doesn't change his views one bit and, claiming that he was just "programed" to express "human" emotions. Everyone, including the children, were appalled by Hamegg's true view of robots.
  • Would Hurt a Child: In the 2009 film, upon discovering Astro is a robot, he had no qualms paralyzing the boy and sending deadly robots after him. Even when Astro and Zog refuse to fight, Hamegg relentlessly tries to shock Astro into admission as everyone watches in horror.

    Skunk Kusai / Fearless Fred Fenk 

Skunk Kusai / Fearless Fred Fenk

A gangster who manipulates robots to do crimes. Portrayed as one of the few totally unambiguously evil characters in the Astro Boy series, but not much of a threat by himself.

    Kenichi / Kennedy 

Kenichi / Kennedy


  • Those Two Guys: Him and Tamao, though mostly averted in the 2003 series.

    Tamao / Alejo 

Tamao / Alejo


  • Those Two Guys: Him and Kenichi, though mostly averted in the 2003 series.
    Shibugaki / Abercrombie 

Shibugaki / Abercrombie

One of Astro's classmates. He tends to be a bully sometimes.
  • Adaptational Nice Guy: He is less of a big bully in the 2003 series. He was initially hostile to Astro when the latter joins class, but quickly warms up to him after Astro saves him from falling.

    Tobio / Toby 

Tobio / Toby

Dr. Tenma's deceased son. If it were not for Tobio's premature death in a traffic accident, Astro Boy would not have been created.
  • Brilliant, but Lazy: Toby is established as being really smart. He can finish a physics quiz in a matter of seconds. Toby, however, would rather leave school early to spend time with his dad. Tenma tells him to not get complacent.
  • Drives Like Crazy: Deconstructed in most versions; he takes a robot car to drive home after a fight with his father and keeps swerving. Then Tenma reveals that kids can't drive robot cars when realizing his son took off. This leads to him getting killed when he runs into a truck.
  • Hope Spot: The 1980s version shows him getting hospitalized for the car crash. He flatlines after making his dad promise to build the robot to resemble him.
  • I Don't Want to Die: The 2009 version has a realistic case of this: he spends his last moments scared and calling for help while trapped behind a barrier with a killer robot. He begs his dad to rescue him, as Tenma desperately tries to free him and can only reassure his son in his last moments.
  • I Want My Mommy!: Played for Drama. When he gets trapped in the 2009 version, the first thing he does is call for his dad. He keeps saying, "Dad!" as Tenma goes to him where he's behind the glass barrier.
  • Plot-Triggering Death: His death in all versions motivates Tenma to build Astro as a Replacement Goldfish. The 2009 version has him killed by the Peacekeeper, which means Astro inadvertently avenges his fleshy counterpart when shutting off the latter.
  • Too Dumb to Live: All the versions have this, sadly. In the first two series, he drives a robot car in a fit of anger after getting into a fight with his dad, despite Tenma pointing out he's not old enough to have a license and he runs into a truck rather than hit the brakes. In the 2003 series, he runs away from his father, rides a bike without a helmet, and drives into headlong traffic. The 2009 movie features him sneaking his way into his father's workplace to get a look at the demonstration, despite his father emphasizing it is very dangerous. Then when he sees the robot working, he gets closer despite the droids getting blown up. This leads to his death when his dad's safety measures to keep the Peacekeeper from escaping trap Toby with the robot, who kills him while attempting to vaporize a barrier.
  • When You Coming Home, Dad?: He desperately wants to spend time with his father. In most versions, he gets in a fight with Tenma about this before he dies.

    Rock Holmes 

Rock Holmes

One of Osamu Tezuka's more famous recurring characters. Rock is always portrayed as a young man who starts off decent but becomes more and more dark and evil as he grows up, going from troubled child to delinquent and eventually turning into a homicidal villainous cross-dressing rapist near the end of Tezuka's career. Rock takes several roles throughout Astro Boy, nearly all of them unrelated - but still with more or less the same personality. In his most important appearance in the series, he's a corrupt young politician running for president who creates a robot duplicate of himself to help run at politics, only to be hung by his own petard when his cruel treatment of robots causes his robot duplicate to run against him and win the election.


Characters From "The Greatest Robot In The World" Arc

    Pluto/Bruton 

Pluto / Bruton

"The World's Strongest Robot". A giant monster of a machine with the sole purpose of hunting down and killing all the world's most powerful robots, a job which he has no particular enthusiasm for, but feels is the only thing he is capable of doing. Originally this was simply so that his selfish owner could boast that he had the greatest robot on Earth, but later versions usually assign deeper and more sinister motives for his killing spree. The title character of an Ultimate Universe remake by Naoki Urasawa, acclaimed creator of Monster and 20th Century Boys.


  • Affably Evil: When Pluto says it's not personal, it's not personal. He has no concept of hatred and seemingly can't hold a personal grudge. Honestly, if you're not one of his targets or a means to get at them, he can actually be rather pleasant. Just ask Uran. Erm, before he knew who she was, of course.
  • Back from the Dead: In the 2000s series, by machinations of Shadow and the Blue Knight, just in time for the series' conclusion.
  • Combat Pragmatist: In the face of the advantages a number of the world's top robots have over him, Pluto comes up with some rather simple yet effective methods of combating them:
    • Gerhardt's alloyed body makes him immune to heat and electromagnetic rays, so when he grabs onto Pluto's horns, Pluto responds with a electromagnetic blast only to discover it has no effect. Pluto's response is to simply bend his horns apart, and Gerhardt's grip on them causes the robot inspector to be torn in half.
    • During his Enemy Mine with Epsilon, he discovers just how powerful the sun's rays make a photon-powered robot like Epsilon. Pluto's solution to this power gap is to simply arrange for his fight with Epsilon to take place on a rainy day, leaving Epsilon without the sun's rays to draw power from and severely weakening him.
  • The Dreaded: In both the 1980 and 2003 series, big time. He was only out there for a few days, but within hours of his first attack, just mentioning his name was enough to cause panic.
  • Everybody Hates Hades: Shares his name with the Roman god of the dead.
  • Laser-Guided Tyke-Bomb: He was created specifically to destroy the strongest robots of the world.
  • Nothing Personal: He frequently makes it clear to his opponent that he has nothing against them, but killing them is just what he was created to do.
  • One-Hit Kill: Pluto's most terrifying means of offense: to catch an enemy inbetween his horns, and then channel a sudden, immense electromagnetic burst between them. If a robot is not specifically defended against this, they'll be immediately destroyed.
  • Spikes of Villainy: Has horns on his chest and shoulders. They're his main form of attack in the 80s series.
  • World's Strongest Man: An invoked trope which he proclaims as his title as the World's Most Powerful Robot, as in every incarnation he is specifically made to be this, and he delivers.

    Mont Blanc 

Mont Blanc

One of the seven strongest robots in the world, Mont Blanc is a friendly and peaceful robot who lives out his life as a mountain guide in Switzerland. He's the first robot that Pluto kills.


  • Curb-Stomp Battle: Part of it is probably due to Mont Blanc being caught off-guard by Pluto suddenly attacking him, but he's utterly decimated once Pluto confirms his identity.
  • Gentle Giant: Despite his large build and incredible horsepower, he's rather friendly and gentle and seems content to just be a mountain guide.
  • Sacrificial Lamb: Probably the most gentle-natured of the world's top robots, and he's the first robot Pluto eliminates, proving just how dangerous Pluto is.

    North# 2 

North #2

A robot from Scotland who is one of the seven strongest robots in the world, North #2 is a butler robot serving under his master and creator, and possesses six arms with various functions for any altercation. He's the second of the world's top robots to be eliminated.


  • Multi-Armed and Dangerous: Has six retractable arms perfect for fighting with. Even if they're torn off, he also has a bunch of drills and claws hidden inside him to replace them.

    Brando 

Brando

A heavyset wrestler robot from Turkey, and one of the top seven robots in the world. He tracks down Pluto to avenge his friend Mont Blanc, but fails and ends up being the third robot Pluto scraps.


  • Acrofatic: As expected of a wrestler robot; he's much more heavyset than other robots, but can still throw his weight around.
  • Roaring Rampage of Revenge: He hunts down Pluto to avenge Mont Blanc, who was a good friend of his, but Pluto kills him instead.

    Gerhardt 

Gerhardt

A robot inspector from Germany who is one of the world's top seven robots. His body is made of a special gold-colored alloy called Zeronium that protects him from heat and electromagnetic rays. He hunts down Pluto with a warrant for his arrest, but despite the advantage his alloyed body gives him, he's defeated and is the fourth robot that Pluto eliminates.


    Hercules 

Hercules

A prideful warrior robot from Greece, and one of the world's top seven robots. He possesses a spear that can extend to great lengths and a shield that can unleash a powerful blast of wind. He manages to give Pluto his greatest challenge yet, but still fails to defeat him and is the fifth robot destroyed by Pluto.

  • Honor Before Reason: Epsilon arranges a meeting with him to discuss joining forces to defeat Pluto, and indeed the two's combined might probably might have been able to defeat him, but unfortunately Hercules is just too prideful in his abilities and honor as a warrior to listen.

    Epsilon/Photar 

Epsilon / Photar

A photon-powered robot from Australia and one of the seven most powerful robots in the world that Pluto targeted. Pluto arranges for a fight with him in the rain, preventing him from using the sun's photons for power and making him an easy victory. He's the sixth robot Pluto kills.

  • Gender Flip: Originally a male. In the 2003 series, Epsilon is shown to be a female instead.
  • Light 'em Up: A photon-based robot, thus granting them theoretically infinite energy. The female incarnation weaponizes this, converting her energy into a gigantic energy beam powerful enough to even send Pluto flying.
  • Shock and Awe: The original Epsilon used the antenna upon his head to channel intense bolts of electricity.

Characters from the 2009 film adaptation

    Cora 

Cora

https://static.tvtropes.org/pmwiki/pub/images/cora_in_astro_boy_2009.jpg
Voiced by: Kristen Bell
  • Boyish Short Hair: She has medium short black hair.
  • Cool Big Sis: She acts as a responsible and reasonable surrogate older sister to the rest of the junk yard orphans.
  • Cute Bruiser: She may be cute but she's also feisty and sassy.
  • Deadpan Snarker: Likes to speak in sarcasm whenever something personal comes up about herself and sometimes in general.
    Cora: (when Astro gives his fetid pizza slice to another boy) Don't be so nice. You're going starve to death — or be the sole survivor.
  • Everyone Has Standards: Cora felt betrayed that Astro never told her he's a robot. It's when Hamegg tortures Astro to fight ZOG that she realizes her foster father is crossing the line and is saddened when Astro leaves.
  • Pink Means Feminine: She wears pink sneakers, wears pink eye shadow and has pink streaks in her hair.
  • Ship Tease: Has little moments of her and Astro crushing on one another when talking together.
  • The Runaway: Zigzagged. Cora tells Astro that she, too, is from Metro City. However, it's never made clear if Cora purposely ran away, but she clearly feels homesick and attempts to reach out to Metro City to reconcile with her parents.
  • Tomboy with a Girly Streak: She's mostly a tomboy, but also acts very sisterly to the other children, wears pink sneakers, wears pink eye shadow and has pink streaks in her hair.

    Zane 

Zane

https://static.tvtropes.org/pmwiki/pub/images/zane_astro_boy.jpg
Voiced by: Moises Arias
  • Everyone Has Standards: Zane, like the other children, felt indifferent when he learns Astro is a robot. However, when Hamegg relentlessly shocks Astro to force him to fight ZOG, Zane is the first to plead Hamegg to leave him alone by seeing how much agony his friend was in.
  • Never Learned to Read

    Widget and Sludge 

Widget and Sludge

https://static.tvtropes.org/pmwiki/pub/images/astro_boy_2009_widget_and_sludge.png
Voiced by: Madeline Carroll (Widget) and Sterling Beaumon (Sludge)

    President Stone 

President Stone

https://static.tvtropes.org/pmwiki/pub/images/pstone.jpg
The corrupt president of Metro City.

  • Ambition Is Evil: Stone is desperate to win the election taking place, and by doing so, he has Tenma and Elefun create the Peacekeeper so he could wage war against the surface-dwellers.
  • The Assimilator: Becomes this after the Peacekeeper absorbed him, using its abilities to grow larger and powerful.
  • Big "NO!": Emits one when Tenma revives Astro Boy and allowed him to escape.
  • Evil Cannot Comprehend Good: Stone is baffled that his approval ratings are extremely low (likely because of his crave to declare war on innocents and ensuing propaganda about the surface to Metro City). He also fails to see Astro's humanity just because he's "just a machine" and is taken aback by Tenma's Heel Realization.
  • Evil Is Petty: Stone mocks Astro Boy over his lack of true humanity due to the boy being a robot, and attempted to have Tenma and Dr. Elefun shot for treason just because the latter released Astro.
  • Kill the Poor: What President Stone's war against the surface amounts to, due to the fact that Metro City exists far above the surface of the Earth and is only populated by the top 1% of humanity.
  • Lack of Empathy: Never took responsibility for the death of Toby, and brushed off Tenma’s grief.
  • Last-Name Basis: He was always referred to this way, alongside his title. Stone’s first name, “Dufus”, was only used by Hamegg in the tie-in comics.
  • President Evil: Stone doesn't care about the well-being of his own citizens. The only reason he demanded the design of the Peacekeeper was to enact an unjust war against the surface and spread propaganda about it around Metro City.
  • The Sociopath: If he wasn't Stupid Evil, President Stone would definitely fall into this category.
  • Stupid Evil: One of the biggest traits of President Stone, besides how power-hungry and monstrous he is, is just how stupid he is. His plan to get reelected as president is to declare war on the homeless, a plan that is very clearly not going to work. He later gets a child killed due to his own stupidity and thinks his father will be okay with it. By the end, he is tearing the entire city apart and trying to crush a bus of children right in front of everyone while still thinking he is getting reelected as president. If it couldn't get any worse, at the end of the film, he still thinks he is getting reelected and demands that the heroes are arrested. To no one's surprise, it doesn't work. President Stone's numerous terrible decisions end up leading to his own undoing.
  • Would Hurt a Child: Stone showed no sign of care when he tries to capture Astro Boy just so he could remove the Blue Core, despite the robot being a replica of the same boy whose death Stone indirectly caused. He later threatens to crush Astro’s friends to death as a way to lure him.

    Orrin 

Orrin

Voiced by: Eugene Levy

    Grace 


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