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    Robotboy 

https://static.tvtropes.org/pmwiki/pub/images/e65e0ed053754612f935b68d0b5c3472.jpg

"This great, Tommy! Can't wait deactivate on bed like real boy!"

Voiced by: Laurence Bouvard

The titular character, a surprisingly powerful Robot Kid created by Professor Moshimo with the most advanced fighting capabilities on the planet... and the mind of an 11-year old Japanese exchange student. To keep certain less savory personalities from using him for the wrong purposes, Moshimo sends him to live with Tommy Turnbull, where he learns to become a real boy.


  • Affectionate Nickname: Tommy tends to nickname him "Ro".
  • Badass Adorable: He is very tough for a cute robot.
  • Become a Real Boy: His ongoing motive is to become a human boy with more freedom and privileges that being a robot doesn't give him. He can basically be described as a robot version of Pinocchio.
  • Big Man on Campus: When he switched bodies with Gus, his kindness, intelligence, and fighting skills quickly made him the most popular kid in school.
  • Brainwashed and Crazy: Is subjected to this in "Crying Time".
  • Brought Down to Badass / Power Loss Makes You Strong: In "Robo-Gus and the G-Machine", he switches bodies with Gus and has to fight Kurt, Stu, and Mookie. Even in Gus’ chubby, powerless body, he still wins by using Gus’ fat belly, bad breath, and gas as weapons.
  • Beware the Nice Ones: While he is a sweet robot, he still is a powerful robot not to be messed with.
  • Cain and Abel: The Abel to Protoboy's Cain.
  • The Cassandra: Tommy wouldn't believe him about Sparky being evil in "Dog-Ra".
  • Cassandra Did It: ...Leading to him being blamed for destroying the house when he was trying to defend himself from Sparky in humongous-robot-form.
  • Character Title: The show is named after him.
  • Cheerful Child: Has a happy attitude by default.
  • Constantly Curious: Being a robot curious about being a real boy and all.
  • Cute Machines: Robotboy has such an endearing personality and cute factor that it's hard not to find him adorable.
  • Expressive Ears: Those ear-like blue things on the sides of his head droop when he's sad.
  • Fish out of Water: He doesn't really know how to adapt to normal day life outside of a lab, and his Become a Real Boy plotlines are pretty akin to a Japanese kid moving to a new nation and figuring out life.
  • Flying Brick: He can fly and is very strong.
  • Freeze Ray: He gets one in "The Boy Who Cried Kamikazi!"
  • "Freaky Friday" Flip: He and Gus switch bodies in "Robo-Gus and the G-Machine" when Gus gets a hot dog stuck in Robotboy's head. He struggles using his tongue to get it out, and when he finally does, Tommy enters the code to reactivate him, causing Gus to become zapped by the electricity and thus switching he and Robotboy's bodies.
  • I Just Want to Be Special: In addition to his ongoing motive, he just wants to participate in Tommy's "real boy" activities.
  • Nice Job Breaking It, Hero: He reactivated Protoboy in "Brother", leading to the other robot going on a destructive rampage.
  • The Noseless: He is a robot, so he is drawn without a nose. He finally gets one in "Ooh, That Smell", where a nose is finally implemented to him. Let's just say it didn't last long...
  • Nice Guy: Most of the time he's friendly. Only time he gets abrasive is when he has to kick some ass.
  • Pintsized Powerhouse: He is around Tommy's size, and is an extremely powerful robot.
  • Red Eyes, Take Warning: Subverted. While he has red eyes he is pretty nice most of the time and is only dangerous when attacking.
  • Robot Kid: He ain't called Robotboy for nothing.
  • Robot Superhero: Robotboy uses his fighting capablities to fight villains.
  • Sizeshifter:
    • Robotboy has three different modes of varying sizes. He's the size of a doll in Sleep-Mode Size, the same size as Tommy in normal mode, and 6-7 feet tall when Super-Activated.
    • "Grow-No-Mo!" reveals that he also has an adjustable growth capacitor that allows him to grow without super activating, but he cannot stop growing when it's on and there is no maximum limit. The largest he gets before he finally turns it off, he's nearly as big as the Moon.
  • Sleep-Mode Size: Can pass off as an action figure while in sleep mode. Tommy always puts him in sleep mode so his parents won't find out about him and just assume he's an action figure.
  • Super Mode: His Super-Activated mode, which he tends to activate whenever he's getting serious in a fight.
  • Telescoping Robot: He gets bigger during his super activation.
  • Third-Person Person: He has a bit of trouble pronouncing words like "I" and "Me".
  • Took a Level in Badass: He engages in epic battles in superactivated mode.
  • Vocal Dissonance: Though it’s rare that he speaks while in it, his voice doesn’t change in Super-Activated mode.
  • Walking Armory: Hoooooo boy. If we tried to list all his powers starting from episode one, we'd be here all day and then some. Probability calculator, freeze ray, bullets, kung-fu skills, rocket boosters, laser beam, flamethrower...
  • You No Take Candle: He alongside Moshimo's other robots (except Robotman) naturally speak broken English. Given that he's akin to a Japanese immigrant adjusting to life in a new nation, it helps paint him as something foreign.

    Tommy Turnbull 
https://static.tvtropes.org/pmwiki/pub/images/14a60e18a2b711c9abe9b91d46060f5c.jpg

"Professor Moshimo must be in some kind of trouble! Maybe Robotgirl can help us!"

Voiced by: Lorraine Pilkington

The other co-protagonist of the show, a fairly average young boy who was chosen by Moshimo to take care of Robotboy and be his teacher of sorts. He has a very good knowledge of robotics and often plays the Only Sane Man to Gus.


  • All Love Is Unrequited:
  • Alliterative Name: Tommy Turnbull
  • Arch-Enemy: Kurt is his main bully and rival for Bambi's affections.
  • Berserk Button: Don't disturb him while he's watching TV. He scolds Lola for affectionately resting her head on his shoulder as he's watching The Human Fist while hospitalized.
  • Break the Cutie: Happens a fair bit of times, in episodes like "Robogus and the G-Machine" where he's forced to suffer the effects of accidentally warping Robotboy's personality with Gus'. He also has a Big Brother Bully to deal with.
  • Butt-Monkey: He suffers a fair amount of misfortunes, be it distance from Robotboy, annoyance and disloyalty at the hands of Gus, negligence from his father, or harassment from his Big Brother Bully.
  • The Cutie: His endearing nature, friendly personality and innocence make him to be this.
  • Deuteragonist: The second lead factor of the show behind Robotboy's title protagonist.
  • Distressed Dude: A fair few times, thanks to being Robotboy's caretaker.
  • Expy: A square-headed kid starring in a Cartoon Network show, with a blue, non-human best friend and a psychopathic bully for a big brother? Mac says hi.
  • Heterosexual Life-Partners:
    • With Gus. While they often get into a lot of disputes, several episodes have made it clear how dependent they are on each other in the most fatal of predicaments.
    • An interspecies example: With Robotboy, his robot best friend.
  • Mentor Archetype: He’s one to Robotboy, being the one to teach him about most human things.
  • Nice Guy: Very friendly most of the time.
  • Not So Above It All: Sometimes he can be just as immature and irresponsible as Gus in addition to supporting his absentmindedness, with episodes like "The Sleepover" being a prime example, where he participates in a wild party and wrecks the neighbor's house.
  • Oblivious to Love: He never gets the hints that Lola has a crush on him, which is glaring considering how unsubtle she can be about her feelings for him, not to mention his own unrequited crush on Bambi.
  • Odd Name Out: He's the only member of his family whose name doesn't begin with the letter "D".
  • Only Sane Man: He seems to be the one of the very few people on the show with any form of rationality, other than Lola. Tommy is usually the voice of reason to Gus.
  • Platonic Life-Partners: He's really close with Lola, though she wants them to be more than this.
  • Red Oni, Blue Oni: Blue to Gus's red, even having a blue shirt to contrast with Gus' red hair.
  • Satellite Character: If you think about it, he exists for Lola and Gus to have a third friend, Robotboy to have a best friend, Kurt and Donnie to make fun of, and... that's it.
  • Selective Obliviousness: No matter how obvious she is about it, it never occurs to Tommy that Lola has a crush on him. Not even Gus loudly whispering to Walter the Tapeworm about it elicits a reaction out of him while she blushed over hearing it.
  • The Unfavorite: At least as far as his dad is concerned, he favors Donnie over Tommy.
  • Unlucky Everydude: Tommy doesn't have it so good. He suffers the misfortune of having an idiotic jackass of an abusive father, an asshole older brother who likes to pick on him for no apparent reason, is often distanced from Robotboy, suffers harassment from his arch-enemy, Kurt, and is treated like crap by his "best friend" Gus.
  • Vitriolic Best Buds: With Gus. The latter's stupidity often gets the best of Tommy's Only Sane Man role.
  • Wide Eyes and Shrunken Irises: In "Valentine's Day" when he sees Bambi walk by.

    Augustus "Gus" Bachman-Turner 
https://static.tvtropes.org/pmwiki/pub/images/2774f0f4dfc7ad1bdb16f3f680e2b3e0.jpg

"Yo, that's the G-man to you!"

Voiced by: Rupert Degas

Another friend of Tommy, Lola, and Robotboy, and was friends with Tommy and Lola even before Robotboy came along. He's a stupid jerk who's far less heroic than his friends, but still a good guy at heart.


  • Abhorrent Admirer: To Lola, who only has eyes for Tommy.
  • Animals Hate Him: A Running Gag in "Dog-Ra" is dogs peeing on him out of distain.
  • Anti-Hero: Almost a Nominal Hero at times.
  • Anti-Role Model: A character who someone should not want to be like. He's incredibly selfish, lazy, stupid, egotistical, mean-spirited, has a large sense of entitlement, and does bad things out of amusement and to seek attention.
  • Arch-Enemy: To Felonious Hexx, who despises him for heckling him during his act and getting him fired.
  • Asshole Victim: Whenever he meets his own end, he shouldn't be rooted for after all the crap he's put Tommy, Lola, and Robotboy through.
  • Attention Whore: Whenever he makes a complete fool out of himself, it's obvious he's trying to get a reaction out of everyone.
    Lola: Stand too close to the microwave again, Gus?
    Gus: I'm providing quality entertainment for the poor slobs, who have to watch security monitors.
  • Big Eater: And how. You'll pretty much see him eat every five seconds. He seems to have an especial fondness for pizza, hamburgers, chocolate, potato chips, soda, and cookies. This is especially prominent in "Tummy Trouble", due to having a tapeworm.
  • Big Fun: Or so he claims. He's supposed to be a funny Fat Comic Relief, but is a pretty big asshole.
  • Bizarre Taste in Food: According to "Up a Tree", he likes ice cream on his hamburgers.
  • Book Dumb: A pigeon who he swapped bodies with was able to score higher on a test than him.
  • Brought to You by the Letter "S": The stylized "G" on his shirt.
  • Butt-Monkey: He falls frequent victim to slapstick, severe beatings, and laser attacks all mainly by robots. Half of it is self-inflicted, though.
  • Casanova Wannabe: Tries to hit on Lola many times, only to be shot down every time.
  • The Chew Toy: His status as a Butt-Monkey is amusing, since he's such a dick to everyone and therefore deserves all the abuse he receives.
  • Childish Tooth Gap: His behavior is very immature, which explains the gap in between his front teeth.
  • The Cloudcuckoolander Was Right: In "The Sleepover", he pours Sugar Blast Cola into Robotboy's system and claims he's doing the right thing. Not only does this restore his energy, but it makes him fight even faster.
  • Companion Cube: He talks to his stomach (which he calls "Belly Man") like it's a friend of his, being Obsessed with Food and all.
  • The Ditz: Calling Gus stupid would be an insult to stupid people. His entire existence showcases how unintelligent he is and causes nothing but trouble to everyone around him with his stupid plans.
  • Dumpster Dive: He is willing to eat food from the trash, as "Aunty Gravitee" shows.
  • Evil Redhead: At his worst, he can be a demented Creepy Child when it comes to getting revenge.
  • Expy: Basically a G-rated version of Eric Cartman. Rupert Degas even does his best impersonation.
  • Extreme Omnivore:
    Gus: Haha! I ate all your candy!
    Tommy: That was soap.
    Gus: Huh? ...Haha! I ate all your soap!
  • Fat Bastard: An overweight jerkass who's willing to spare your life just to get his way.
  • Fat Best Friend: A chubby friend of Tommy.
  • Fat Comic Relief: A fat kid whose antics are often portrayed for humor.
  • Fat Idiot: He's a dumbass. He has no critical mind and causes so many conflicts with his impulses.
  • Fat Slob: "Ooh, That Smell" reveals him to have poor hygiene, as Robotboy describes him as smelling "nasty" upon having a nose installed to his face.
  • The Friend Nobody Likes: Lola and Tommy get fed up with his stupidity but still keep him around as a friend nevertheless. His mutual interests with Tommy, occasional ability to be resourceful and the fact that he knows about Robotboy means they can't abandon another Secret-Keeper anyway. Not that Gus isn't above using Robotboy for his own ends anyway.
  • Gasshole: He thinks it's funny to fart a lot.
    Gus: Oh, I don't know, my friend says he's better off without one.
    Lola: What friend?
    Gus: Oh, you know, the one with the squeaky voice who lives in a caboose. He wants to say 'hello'. (farts and stinks up the entire room)
  • Heterosexual Life-Partners: With Tommy. While they often fight, several episodes make it clear how dependent they are on each other.
  • Idiot Hero: He's one of the show's heroes, albeit a very stupid one at that. Surprisingly, he actually does manage to save the day a few times. "The Sleepover" is a prime example of this, in which the Sugar Blast Cola he pours into Robotboy actually restores his energy, making it even better.
  • It's All About Me: He's one self-entitled bastard, always prone to wondering why things aren't going his way.
  • Jerkass: He's a selfish, smug, lazy, gross, obnoxious twerp who's full of himself and is sometimes even the reason episodes have conflicts. Despite this, he's also a...
  • Jerk with a Heart of Gold: In spite of all his dickery, Gus will always be there to be on Tommy and the others' side when they need him. For the most part...
  • Large Ham: He has a grating, raspy voice that lacks indoor depth and he's prone to overemphasis.
  • Naked People Are Funny: In "Halloween" and at the end of "Tummy Trouble".
  • Narcissist: He's a self-entitled individual who exhibits a lot of pride and self-obsession. Heck, he even wears a shirt with his initial on it to show how much he likes himself.
  • No Indoor Voice: At times he will yell his sentences throughout.
  • Obsessed with Food: He's a Big Eater and treats his stomach like a Companion Cube. He even wears pajamas with bacon and eggs on them.
  • Pride: He has a high opinion of himself and will stop at nothing to use his "coolness" to justify his jerkass personality.
  • Redheads Are Uncool: This guy's a fat, bumbling idiot and total jerk with little redeeming qualities.
  • Red Oni, Blue Oni: The Red to Tommy's blue. He even has red hair that contrasts with Tommy's blue shirt!
  • Shipper on Deck: For Tommy/Lola, although it's more that he likes to tease them about it than anything.
  • Shout-Out: His middle and last names are a play on Canadian classic rock band Bachman–Turner Overdrive.
  • Temporary Bulk Change: The tapeworm in "Tummy Trouble" makes him thin instead of fat.
  • Toilet Humor: He provides 99% of the show's crude jokes, be it farting, picking his nose, pooping, or burping.
  • Token Evil Teammate: Somewhat meaner than the rest of the main characters.
  • Too Dumb to Live: Lots of his actions lead to near-death experiences.
  • Troll: He annoys others on purpose to provoke an enraged reaction from them. Felonious Hexx in particular.
  • Unsympathetic Comedy Protagonist: He's one of the main characters and is something short of an obnoxious, idiotic, jerkish prick who seeks attention and makes immature toilet jokes. Despite this, he can still be found as entertaining, as his jerkass tendencies are mostly played for laughs. Not to mention, this show loves to put him through hell.
  • Vocal Evolution: In earlier episodes, his voice was lower-pitched.
  • With Friends Like These...: His relationship with Tommy, Lola, and Robotboy is... not really the best...
  • Youthful Freckles: Has freckles and acts like a spoiled little brat.

    Lola Mbola 
https://static.tvtropes.org/pmwiki/pub/images/161141eaec110dfb68b3cf6769e7a617.jpg

"Hi, boys. Tea?"

Voiced by: Laurence Bouvard

The fourth and last member of Tommy's True Companions and the only girl, as well as the daughter of a famous ambassador. She has a crush on Tommy.


  • Aborted Arc: Her crush on Tommy is dropped in Season 2.
  • All Love Is Unrequited: She harbors a not-so-secret crush on Tommy. Too bad for her he's oblivious to her feelings, on top of his own unrequited crush on Bambi.
  • Betty and Veronica: Betty to Bambi's Veronica. Which is unusual since Lola is the one shown to be incredibly wealthy.
  • Beware the Nice Ones: She's generally nice but can get violent (particularly with Gus) or cold if pushed.
  • Closer to Earth: She’s more levelheaded compared to the boys.
  • Distressed Damsel: Becomes this near the end of "The Manchurian Robot" and "Valentine's Day".
  • Flawless Token: She’s black, and pretty much always shown to be in the right when it comes to conflicts with the boys.
  • Girly Girl: She's into the color pink, throwing tea parties with her stuffed animals, fashion, nail polish, and makeup like most young girls.
  • Magic Skirt: No matter what happens that skirt still keeps itself down to cover her lower body.
  • Missing Mom: We know that she has a father, an ambassador, but we never see or hear from her mother. It’s unknown if she is dead, her parents are divorced or something else.
  • Nice Girl: Unless you push her too far, she's a pretty genial friend to have around.
  • Smooch of Victory: She gives Tommy one at the end of "Valentine's Day".
  • Smurfette Principle: The only female member of the four main characters.
  • Token Minority: One of the few black characters.

Allies and Family

    Professor Moshimo 

"How do you like my new house? Undetectable by radar, and safe from Dr. Kamikazi."

Voiced by: Togo Igawa

The scientist who invented Robotboy, as well as Robotgirl and Protoboy. He keeps in touch with Tommy, Gus and Lola to send upgrades for Robotboy or help them fix the problem of the day.


  • Abusive Parents: It's mostly averted as he treats Robotboy and Robotgirl with kindness and understanding, but the flashback of how Protoboy got kidnapped by Kamikazi in "Brother" suggests this, Protoboy is shown to be Bound and Gagged, hanging from the celling by a rope, presumably because of his violent tendencies when Moshimo (if he wasn't busy, didn't know how, etc) could have just fixed him. Considering this, Protoboy's accusations that Moshimo cares more about Robotboy than him start to make sense…
  • Big Good: His inventions are the main reason the heroes stand a chance and is their greatest ally.
  • Cool Old Guy: A wise and kindly old man who tends to treat Tommy more as a son than his own father does.
  • Flawless Token: He's Japanese, and never really shown to be in the wrong, even when there are some things that he probably should be called out on
  • Gadgeteer Genius: Comes with the territory when being a scientist that has made a powerful super robot.
  • Mad Scientist: Even if he's one of the good guys, sometimes he has shades of this.
  • May–December Romance: He's an old man in at least his seventies and engaged to a attractive younger woman.
  • Nice Guy: He's a very friendly man who deeply cares for his Robotboy, Robotgirl, and Tommy.
  • Non-Action Guy: Justified given his advanced age.

    Robotgirl 

"We have fun. Play now. Yes, please?"

Voiced by: Laurence Bouvard

A female clone of Robotboy created to keep him company at Moshimo's house when Tommy had to leave for a two-week camping trip.


  • Badass Adorable: Averted in "Robotgirl" where she doesn't know how to fight, but played straight in "The Return of Robotgirl".
  • Break the Cutie: Right before "The Return of Robotgirl".
  • Cain and Abel and Seth: The Seth to Protoboy's Cain and Robotboy's Abel.
  • Cheerful Child: Just like Robotboy, she'squite exciteable. But it's subverted in "The Return of Robotgirl".
  • Distaff Counterpart: She serves as a female counterpart of Robotboy.
  • Fem Bot: Well Duh.
  • Genki Girl: In her debut at least. Subverted in "The Return of Robotgirl" when she is shown to be very sad and doesn't trust Tommy, Gus or even Robotboy due to choppy memory loss.
  • Palette Swap: Obviously a female-coded (both in appearance and personality) version of Robotboy but with tertiary accessories and characteristics that clearly show her gender.
  • Pink Means Feminine: Look at her bow, gloves, skirt, eyes, boots, and "ears".
  • Red Eyes, Take Warning: Just like Robotboy, when her eyes glow red, it means things are getting really serious.
  • Robot Girl: It's in the name.
  • Super Mode: Very much like Robotboy, she has her own superactivated form.
  • Technicolor Eyes: Well, she is a robot...

    Donnie Turnbull 
"Someone's getting a beatdown."

Voiced by: Rupert Degas

Tommy's older brother who bullies other people, with the exceptions of his parents Debbie and Dwight, his buddy Kurt, and other villains.


    Dwight Turnbull 

Voiced by: Lewis MacLeod

Tommy's father


    Deborah "Debbie" Turnbull 
Voiced by: Lorraine Pilkington
Tommy’s mother and the only other person in the family who really has a brain.
  • Beware of the Nice Ones: She's the nicest member of the Turnbull family and if you know what does concern to you, never make her angry. Really.
  • Fiery Redhead: She's a redhead and is very prone of being angry, which is often considering the buffoonery of her husband.
  • Good Parents: In contrast to her husband, Deborah is a kind and loving mother to Tommy. This does not prevent her from often becoming a problem in the same vein as Dwight when the plot demands it, but unlike Dwight, her reasons are often understandable, as she's nonethewiser towards Tommy's secrets.
  • Hartman Hips: The only thing bigger than her square head is her huge behind.
  • Nice Girl: Unlike the other two members of Tommy's family, she's rather kind to her youngest son.
  • Only Sane Woman: The only member of her family with a brain or common sense, besides Tommy.
  • Surrounded by Idiots: Although she never says it, it's very clear to see that she's the head of the Turnbull's household. This trope excludes Tommy, who is the only one in her family, besides her, that is not an idiot. One wonders why she hasn't divorced Dwight and take custody of Tommy.
  • You Wouldn't Like Me When I'm Angry!: She's normally a nice woman, but when she gets angry, Tommy, Donnie and Dwight know better that they must obey her.

Antagonists

    Dr. Kamikazi 
https://static.tvtropes.org/pmwiki/pub/images/robotboy_kamikazi_4.png

"He's not Ro anymore! He's a finely tuned killer robot... who does exactly what I say. And I say... GET HIM!"

Voiced by: Eiji Kusuhara

The main antagonist of the show, an evil scientist who wants to steal/kidnap Robotboy and make an army of Robotboy clones to take over the world.


  • Animals Hate Him: Every time he gets a pet. Every. Single. Time.
  • Aw, Look! They Really Do Love Each Other: In "Bad Language" he screams and faints when Constantine is about to fall into a volcano.
  • Bad Boss: He abuses Constantine and always blames him for whenever their plans fail.
  • Big Bad: As if we needed to say it.
  • Card-Carrying Villain: Kamikazi on numerous occasions has proclaimed his title as an evil genius.
  • Character Catchphrase: "Constantine! I blame you!"
  • Evil Old Folks: Contrasting Moshimo, he's an old scientist that's a Card-Carrying Villain that prefers using his talents for his own ends.
  • Failure Is the Only Option: Almost any and every attempt he does to capture Robotboy usually ends badly for him and Constantine.
  • Jerk with a Heart of Jerk: As revealed in "Teasebots" where he tries to act kind but is really just an unrepentant Card-Carrying Villain.
  • Kavorka Man: Despite being a short, bald, chubby, and bespectacled old man, he manages to attract statuesque and beautiful women quite easily.
  • Kick the Dog: Pretty much describes his entire relationship with Constantine.
  • Large Ham: The man makes up for his short size by creating quite the presence with his
  • Mad Scientist: Comes with the territory when being the main antagonist.
    "Frozen sea monkeys, ATTAAAAAAACK!"
  • Miniature Senior Citizens: A very short almost goblin-like old guy.
  • Morally Ambiguous Doctorate: According to his mother, he's not a real doctor.
  • My Nayme Is: Is named after the Kamikaze ("Divine Wind"), a unit of Japanese WW2 pilots that would crash their planes into enemies as a suicide move. However, his name is instead spelled "Kamikazi", with "zi" being a syllabary not natively present in Japanese.
  • Names to Run Away from Really Fast: Seriously, would you trust a man with the name Dr. Kamikazi?
  • Never My Fault: He almost always blames Constantine whenever his plans fail.
  • Pet the Dog: He has attempted this countless times with his various pets. It never works. Although in a less literal case of these trope, at times he does apologize when he gets a little too mean to his subordinate Constantin

    Constantine 
https://static.tvtropes.org/pmwiki/pub/images/constantine_3.png

"Ah, boss, I'd be happier if you'd have some milk."

Voiced by: Rupert Degas

Kamikazi's ever-loyal sidekick/minion.


  • Acrofatic: He displays quick reflexes and amazing agility for someone with such a portly figure.
  • Affably Evil: Despite working for Kamikazi, he seems to be a nice, albeit dimwitted, fellow.
  • Anti-Villain: Because of his Affably Evil nature, sometimes he is nice to or helps the heroes.
  • Boring, but Practical: He captures Robotboy in "Constantine Rising" by simply snatching his batteries before he can fight back, Kamikazi tears him a new one for this.
  • Butt-Monkey: Being abused by Kamikazi in every possible way has got to count for something.
  • Camp Straight: Acts quite flamboyant and effeminate yet also shows shades that he's more on the straight side.
  • Character Catchphrase: "Okey Dokey, Boss!"
  • The Chew Toy: The amount of abuse and chewing the man takes is almost impressive.
  • Crouching Moron, Hidden Badass: He is quite skilled despite his often goofy behavior. He was the one who defeated Protoboy after he went berserk from being turned pure evil.
  • A Day in the Limelight: "Constantine Rising" saw him try to plot his own evil plan when Kamikazi was bedridden.
  • The Dragon: Functions as this for Dr. Kamikazi.
  • Manchild: He's rather immature and childish. Although he's a great deal more mature and kinder compared to Dr. Kamikaze.
  • Minion with an F in Evil: Sometimes it's quite questionable how he works for Kamikaze.
  • Out-of-Character Moment: He's uncharacteristically ruthless in "Human Fist on Ice"
  • Pet the Dog: He tried to save Salvatorei the gerbil from being made into Kamikazi's soup in "Teasebots".
  • Supreme Chef: He can whip up some pretty good meals, although Dr. Kamikazi doesn't always enjoy them.
  • Why Did It Have to Be Snakes?: "Oh, shut your trap, boss! That snake gives me the heebie-jeebies!"

    Protoboy 
https://static.tvtropes.org/pmwiki/pub/images/protoboy.png

"Protoboy not so easy to destroy! And now get revenge on brother!"

Voiced by: Lewis MacLeod

Moshimo's first prototype robot and Robotboy's big brother, he was turned evil by Kamikazi, but turned out to be too insane to control and had to be deactivated.


  • Ax-Crazy: Dr. Kamikazi succeeded in turning him evil, unfortunately it came at the cost of being too much for even him to handle.
  • Big Brother Bully: Due to being Robotboy's evil big brother, he is naturally this.
  • Cain and Abel: He's the Cain to Robotboy's Abel.
  • Even Evil Has Loved Ones: A one-off gag in "The Revenge of Protoboy", when a call from his "dear" stops him from destroying Robotboy at the last second.
  • Evil Counterpart: To Robotboy.
  • Face–Monster Turn: He might have been able to grow past his initial violent tendencies if it weren’t for Kamikazi reprogramming him…
  • Family-Unfriendly Death: He's had this at least twice. While "Brother" had him get blown up in a fairly mundane way, his next two appearances have him suffer two fairly graphic ones, getting his motherboard violently torn out and getting his upper-half reduced to ash.
  • Gone Horribly Right: Kamikazi intended to make him evil...and overdid it.
  • Grand Theft Me: Trades motherboards with a fainted Robotboy in "The Old Switcharobot".
  • Knight of Cerebus: Unlike most other villains, who are very much Laughably Evil, the series portrays him a lot more seriously (even in the sillier second series) and so seriously, he's responsible for several scenes taking the show to quite dark and perhaps even morbid territory for its standards, most notably in "The Revenge of Protoboy", which is surprising considering the comedic and light-hearted tone the series often has. Not to mention the gruesome ways he dies.
  • Jacob Marley Warning: In a sense, he represents how Robotboy would be, if he lacked his empathy and humanity.
  • Psycho Prototype: Courtesy of Kamikaze. Possibly a Downplayed version pre-reprogramming.
  • Sadist: He really loves inflicting pain on people. Not only that, but he gets kicks out of emotionally tormenting people too.
  • The Sociopath: He’s shown to utterly lack any care for human life, or any life for that matter, with his "dear" being a possible exception. It is unknown if this is due to Kamikazi’s reprogramming or not.
  • Shout-Out: Being a prototype brother and having Green-Eyed Monster tendencies (attacks Moshimo in "The Old Switcharobot" because, according to Protoboy, Moshimo always liked Robotboy over Protoboy) makes Protoboy being this to Proto Man, or, more likely, his portrayal in Mega Man 3, albeit far more antagonistic then him.
  • Sibling Murder: He always attempts to kill Robotboy (and Robotgirl) in all of his appearances.
  • They Killed Kenny Again: In all of his appearances but his final one, he ends up being destroyed, only to come back every time for unexplained reasons. The end of said episode ("The Return of Robotgirl") suggested that this possibly would have been downplayed or dropped entirely had the show gone on.
  • Would Hit a Girl: "The Return of Robotgirl" showed that he would’ve have frozen Robotgirl had she not decided to fight him at the last minute. He had no qualms about beating her up or attempting to kick her deactivated form into lava either.

    Bjorn Bjornson 
Voiced by: Lewis MacLeod
A Nordic, villainous young boy who used to be one of Professor Moshimo's students. He created a robot copy of himself whom power equals to that of Robotboy, only making him more evil and to become his greatest and better invention than Robotboy.
  • Double Standard: Violence, Child on Adult: He and his robot treat his mother very poorly to say the last.
  • Enfant Terrible: He's young and he's a giant jerk.
  • Foil: He is almost Tommy's antithesis. While Tommy has a brother and father that are rather abusive to him, Bjorn is an only childnote  whom abuses his mother greatly instead. Tommy comes from a rather simple family while Bjorn comes from a wealthy one. Tommy was a fan of Professor Moshimo while Bjorn was one of his students.
  • Paper-Thin Disguise: When trying to lure Robotboy into his home to be destroyed (tricking him into thinking he'll make him into a real boy) the only disguise he has is a piece of cardboard colored and cut to look like a beard with a piece of string keeping it on his face.
  • Shout-Out: He sounds heavily like Stewie Griffin from Family Guy.
  • Small Name, Big Ego: He is very egotistical. For instance, he believes both his and Moshimo's creations being evenly matched is impossible. The very fact he has a robot modelled after himself should speak for itself.
  • There Was a Door: Despite making Bjornbot in his image, his own lack of social tact or standing speaks volumes when in his first episode when planning to destroy Robotboy, Bjornbot simply charges right at a wall and plows through it when the door was right next to it.

    Bjornbot 
Voiced by: Rupert Degas
Bjornbot is a robot built by Bjorn Bjornson. He was built to become the best fighting robot in the world, like Robotboy he has super strength, multiple weapons and can Superactive as well. He bears a resemblance like his creator, only made out of a blue-grey metal, down to his hair with the exception of his suit, and solid red eyes.
  • Dumb Muscle: He's armed to the teeth with multiple weapons, yet is dumb as a sack of bricks given that he only seems to be able to say "Ja" and "Nej" and runs through a wall, leaving a hole in it.
  • Robot Me: To show how much of a narcissist Bjorn is, Bjornbot is clearly made in his splitting image. Although with the obvious robotic parts and ironically enough, has a different voice actor.
  • Red Eyes, Take Warning: He always has them. Comes with the territory of being a robot made by an evil prodigy.
  • Super Mode: Just like Robotboy he also has a superactivated mode. Although it has only been seen twice in the entire series, unlike the 8 times Protoboy has.
  • The Quiet One: Compared to Robotboy he's not really all that chatty. With the only words coming out of his mouth are usually the words "Ja" and "Nej".

    Klaus Von Affenkugel 
Voiced by: Rupert Degas

The self-proclaimed richest man in the world. Affenkugel was born with a tragically weak and frail body and wants Robotboy so he can become strong.


  • Depraved Dwarf: Affenkugel is even shorter than Tommy and perfectly willing to step all over anyone standing in his way.
  • Freudian Excuse: Being born with such a shriveled and weak body, Klaus Von Affenkugel was bullied by everyone: fellow kids, other members of his scout troop, even squirrels! Hence the reason why he wants to catch Robotboy and turn him into power armor.
  • Fiction 500: Hmmm... Let's see: A limousine with a built-in hot tub, his own mountain castle, pet crocodiles, able to have his own theme park built, and even has his own currency! And yet, somehow he's still behind Lola's father in who's the most wealthy!
  • Screw the Rules, I Have Money!: Even when self-proclaimed he's got a lot of money to spend that allows him to have this mindset.
  • Who's Laughing Now?: His motive for seeking Robotboy’s limbs, or at least to become strong, is so he can take revenge on those who picked on him for his frail body.

    Ludwig 
Voiced by: Lewis MacLeod
Ludwig is the large orangutan who serves as the assistant to Klaus Von Affenkugel at all times. He's always seen together with him whenever Klaus needs his assistance.

    Robotman 
"Face it little toy, why don't you just leave!? You are no longer needed here!"

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

Voiced by: Rupert Degas
One of Moshimo's creations and a one-time villain.
  • David Versus Goliath: He's the Goliath to Robotboy's David. Especially obvious when they're both super activated. The common instance of David winning occurs.
  • Hate Sink: He is thoroughly arrogant, rude and uncaring towards people.
  • Killed Off for Real: He gets crushed into a cube and unlike Protoboy, never returns.
  • Super Mode: Just like his fellow robots, only much larger.

    Felonious Hexx 
https://static.tvtropes.org/pmwiki/pub/images/hexx_3.png
"I am no longer Thelonious with a, Th... I am FELONIOUS!!! With a, F!"

Voiced by: Lewis MacLeod
A magician with real magical powers, Hexx was loved by every child in the Bay Area, except for Gus. One night, Gus came to one of his shows and ruined his performance by relentlessly heckling him, getting Hexx fired. After his magic career was canned, he swears revenge on Gus and makes plans to try to kill him or ruin his life using his magic. Throughout the series, Hexx went from working as a magician to a nurse, a dentist, and finally a nanny to make ends meet while also, ironically, confronting Gus each time. If it wasn't clear enough, he despises Gus and considers him his archenemy.
  • Arch-Enemy: To Gus.
  • Berserk Button: He goes into a rage when anyone mocks him. In his second appearance, just seeing Gus makes him turn red.
  • Magicians Are Wizards: He’s a magician (or former magician) with vast magical powers.
  • Revenge: His goal is to get revenge on Gus.

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