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"Goku... Once I've taken control of your body, I'll finally discard this ugly, metal shell. Then, I will fulfill my destiny, and become the greatest scientist the world has ever known!"
Dragon Ball Z: The World's Strongest

Dr. Wheelo (Dr.ドクターウイロー Dokutā Uirō, "Dr. Willow"[2]), alternatively known as Dr. Uiro or Dr. Willow, is a scientist who performs experiments in biotechnology. He is the primary antagonist of the movie Dragon Ball Z: The World's Strongest.

Concept and Creation

Dr. Wheelo concept art, drawn by Akira Toriyama (Daizenshuu 6)

Dr. Wheelo was originally supposed to have organs besides his brain in the cockpit, but it was eventually decided to just make his brain larger. His brain being twice the size of a human head caused the Daizenshuu 6 authors to speculate that Wheelo's brain "evolved".


He has a large metal scorpion-like body that holds his brain inside of a glass container. His brain is enormous, roughly twice the size of a human head. He has a mouth with a single red eye above it, two claws, feet with two toes and a giant tail.


Dr. Wheelo is an intimidating and arrogant being who was once seen as an arrogant lunatic. Due to how the people viewed him in the past, Dr. Wheelo has a strong desire to get revenge. He can also become violent when things don't go according to his plans such as when he was beginning to lose the fight with the Z fighters, Dr. Wheelo decided to blow up the Earth and find a new planet. Despite his arrogance, he can be cautious, noted when Wheelo warned Dr. Kochin not to underestimate Gohan, indicating he can sense ki energy when his body isn't even engaged. Also noting his respect of Master Roshi as a great martial arts master, Dr. Wheelo is arrogant as far as his intellect goes, but he does acknowledge the strength and skills of his adversaries.



Dr. Kochin saves Dr. Wheelo's brain

Dr. Wheelo's goal was to rule the world, using a modified human army via his science to do so. However, he, Dr. Kochin (his assistant) and his entire laboratory were encased by ice, as if his inhumane experiments were being shunned by the heavens. His physical body died of frostbite, but Kochin was able to save his brain and encase him in a robotic shell.

Dragon Ball Z

The World's Strongest

Main article: Dragon Ball Z: The World's Strongest

Wheelo arises next to Kame House

Dr. Kochin comes through for his colleague a second time fifty years later when he gathers the Dragon Balls and wishes for Shenron to thaw him and the fortress. Wheelo tests his Planet Geyser on a vast forested area near South City - turning it into a wasteland. Freed from the ice, Dr. Wheelo becomes obsessed with finding the world's strongest man so that his own brain might be transplanted into it. He heads out with Kochin and the Bio-Men to find this man, and at first, they think it is Master Roshi and take him from Kame House along with Bulma back to their fortress, but when the Brutal Warriors Kishime, Misokatsun, and Ebifurya defeat Roshi, Dr. Wheelo starts to doubt they had the right person.

Dr. Wheelo attached to his fortress

He then goes after Goku's body, after he arrives to save Roshi and Bulma. When his further attempts to subdue Goku meet with failure (such as using a special device to make Piccolo fight Goku and Gohan), the enraged scientist decides to emerge with his own body and fight him on his own and Dr. Kochin accidentally dies in the resulting reveal. Dr. Wheelo easily takes down Piccolo and then shrugs off a combined Kamehameha from Goku, Gohan, Krillin and Master Roshi before taking down the latter three. He battles Goku one on one and even overpowers him while using the Kaio-ken times three but is then overpowered himself when Goku pushes himself to using times four.

Wheelo activates his mechanical body

Dr. Wheelo decides to just concentrate the energy contained within his laboratory's power core to fire a gigantic wave and destroy the entire planet Earth along with Goku. Gohan Piccolo and Krillin are able to buy enough time for Goku to be able to form a Spirit Bomb, and he uses it to overpower Dr. Wheelo's attack and destroy the robotic scientist for good.



Dr. Wheelo is unleashed

Dr. Wheelo's cyborg body is shown to be far more powerful than most armored robots in the series. It is able to withstand Goku, Gohan, Krillin and Master Roshi's combined Kamehameha without receiving a single scratch. He can overpower Goku using Kaio-ken Kamehameha (x3) but is unable to compete against Goku's Kaio-ken Kamehameha (x4) though his power was said to have risen since then. He was confident in his ability to destroy the Earth but was killed by the Spirit Bomb first.

Statements by authors and guidebooks

It is stated in Daizenshuu 7 that Dr. Wheelo's armor is powerful enough to withstand a Kaio-ken x4, and at maximum power, he is capable of destroying the Earth.

It was stated by Takao Koyama, that when making Dragon Ball movies that the next movie villain that Goku fought would always have to be at least stronger than the previous villain Goku fought. Thus, Dr. Wheelo was stronger than Garlic Jr. but weaker than Turles.

According to the movie pamphlet for Dragon Ball Z: The Tree of Might, Dr. Wheelo's power level is 39,000.

Techniques and Special Abilities

  • Ki Sense - Dr. Wheelo is capable of sensing the ki of others, as he was able to sense a powerful ki that coming from Goku. He was also able to sense the hidden potential that was coming directly from the enraged Gohan.

Dr. Wheelo's blast fired at Piccolo

  • Flight – Like many other androids, Dr. Wheelo can fly without the use of ki.
  • Kiai – He uses something similar to this to stop Piccolo in mid-air.
  • Blaster – Dr. Wheelo can emit powerful energy blasts from his claws
  • Madness Cannon – Dr. Wheelo unleashes yellow waves of energy at his opponent, causing a massive accumulation of damage.
  • Gigantic Bomber – Dr. Wheelo rams at the opponent with a fiery-red aura surrounding him, and headbutts the opponent. He uses this against Piccolo in the film, and it is one of his Blast 2 in Dragon Ball Z: Budokai Tenkaichi 3.
  • Planet Geyser – Dr. Wheelo's Ultimate Blast. Dr. Wheelo surrounds himself in a yellow aura and releases a massive red beam of energy capable of destroying a planet; reducing it to a barren lifeless desert.
  • Barrier – Dr. Wheelo has his own fiery-red energy shield which is generated by his robotic body. It is one of his Blast 1 in Budokai Tenkaichi 3.
  • Full Power – One of Dr. Wheelo's Blast 1 in Budokai Tenkaichi 3.


  • Mechanical body[1] - Wheelo's brain was transferred to a powerful mechanical body to keep him alive. Unlike many other androids Dr. Wheelo's power level is detectable through ki sense.
    • Fortress - Wheelo normally keeps his mechanical body attached to his fortress, while embedded into the fortress Wheelo is able to control it's functions and see through the red cameras located on it.

Video Game Appearances

Dr. Wheelo appears in Dragon Ball Heroes, where he was added in Jaaku Mission 6 as a boss in the Dr. Wheelo Saga. Dr. Kochin's HJ6-27 card has the ability Madness Cannon S, that summons Dr. Wheelo from subspace to attack the enemy with his Madness Cannon Super Attack. Dr. Wheelo later became a playable character in Universe Mission 5.

Voice Actors


List of Characters Killed by Dr. Wheelo

  • Dr. Kochin - Killed by Dr. Wheelo accidentally kicking him off the edge.


  • His name is a pun on "uirō", a type of Japanese cake and Nagoya specialty.[3] However the katakana for his name translates to "willow"[2] - a type of tree - in English. The English dub's name for him bears a resemblance to "Wheel".
  • Dr. Wheelo is similar to Dr. Gero as both are brilliant yet evil mad scientists who have had their brains placed into Android bodies by an Android assistant (Dr. Kochin and Android 19) and are skilled in the field of bio-engineering.
  • Dr. Wheelo is the first movie villain to be voiced by Ward Perry in the Ocean Dub, the second was Turles.
  • Dr. Wheelo is the first villain to seek to take over Goku's powerful body as his own, the second being Captain Ginyu and the third being Zamasu. Of them, however, he is the only one who does not succeed in any way in this goal.
  • Dr. Wheelo is the first villain ever killed by the Spirit Bomb. Goku defeats the main enemy of a movie with the Spirit Bomb three times in a row: Wheelo is the first, with the other two being Turles and Lord Slug.
  • In the Funimation dub and Ocean Group dubs of the movie, Dr. Wheelo says two minor swear words. When Goku is gathering energy for a Spirit Bomb, he says "What the hell is he trying to do?" and right when Goku strikes the death blow with his Spirit Bomb, Wheelo says "Damn you Goku!" 'Hell' is often used in Dragon Ball Z due to HFIL also going by that name, but 'damn' is rarely used. Also in the Ocean dub of the movie, Dr. Wheelo curses more often.
  • Wheelo has a single red eye resembling Hal from 2001: A Space Odyssey. At one point, there is a close-up of Wheelo's eye in the same way as Hal.
  • Frieza's final words in Dragon Ball Z: Resurrection ‘F’ and Golden Frieza Saga are the same as Dr. Wheelo's. Coincidentally, both were taken down in a similar manner, and both even make a reference to Hell in their penultimate words beforehand (In Frieza's case, telling Vegeta and everyone else to go there without him in reference to his attempt to blow up Earth before Goku intervened).


See also


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