Characters / Robotboy

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"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.

    Tommy Turnbull

"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 Straight Man to Gus.


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

Voiced by: Rupert Degas

Another friend of Tommy and Robotboy, and was friends with Tommy and Lola even before Robotboy came along. Much less heroic than his friends, but still a good guy at heart.


"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.

  • Token Minority: One of the few black characters.
  • Tsundere: Type B, as she's generally nice but can get violent (particularly with Gus) or cold if pushed.

    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.

    Dr. Kamikazi 

"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.

  • Big Bad: As if we needed to say it.
  • Card-Carrying Villain: Kamikaze on numerous occasions has proclaimed his title as an evil genius.
  • Catchphrase: "I blame you, Constantine!"
  • Kavorka Man: Despite being a short, creepy, 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.
  • Jerk With A Heart Of Jerk: In "Teasebots".
  • Morally Ambiguous Doctorate: According to his mother, he's not a real doctor.
  • Names to Run Away from Really Fast: Seriously, would you trust a man with the name Dr. Kamikazi? note 
  • Pet the Dog: He has attempted this countless times with his various pets. It never works.


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

Voiced by: Rupert Degas

Kamikazi's ever-loyal sidekick.

  • Acrofatic: He displays quick reflexes and amazing agility for someone with such a portly figure.
  • Butt-Monkey: Being abused by Kamikazi in every possible way has got to count for something.
  • Catchphrase: "Okey Dokey, Boss!"
  • Crouching Moron, Hidden Badass: He is quite skilled despite his often goofy behavior. He was the who defeated Protoboy after he went berserk from being turned pure evil.
  • Pet the Dog: He tried to save Salvatorei the gerbil from being made into Kamikazi's soup in "Teasebots".


"Protoboy no so easy to destroy! And now get revenge on brother!"

Moshimo's first 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.

  • Even Evil Has Loved Ones: A one-off gag in "The Revenge of Protoboy", when a call from his wife stops him from destroying Robotboy at the last second.
  • Evil Counterpart: To Robotboy
  • Expy: Has the background of Proto Man but a more similar personality and design to Bass from the same franchise.


"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".
  • Genki Girl: 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.

    Donnie Turnbull 

"Someones getting a beatdown."

Voiced by: Rupert Degas.

The Older Brother of Tommy who bullys other people (with the Exception of Debbie, Dwight who are his parents, and Kurt, and other Villains.)