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Four Arms is the Omnitrix's DNA sample of a Tetramand from the planet Khoros.


Ben as Four Arms

Four Arms is a humanoid alien that is approximately twelve feet tall, has well developed muscles, two pairs of arms with four-fingered hands, and red skin. A black stripe goes from his chin to his lower lip, and he has four eyes: a main pair, and a smaller pair below them. Four Arms wears a white T-shirt with a black line going down it, black pants, and gloves. His eyes are green and he has no hair.

As a toddler, Four Arms still looks the same but in smaller size, as well as having a younger voice.

In The Ring Leader, Four Arms takes on the fighting persona "The Crushster". He wears his regular outfit, but he also wears green-lensed goggles that hide his eyes, a yellow cape, and blue shorts over his pants. For majority of the episode, he hid two of his arms.

In Don't Laze Me, Bro, Four Arms wore a sleeveless purple bodysuit, blue gloves and a green wig on his head. He also had two lime green star-shaped tattoos on his upper arms.

In Welcome to Zombozo-Zone!, Four Arms wore armored shin guards, shoulder pads, wrist guards, and a helmet with a green feather.

Four Arms wears the Omnitrix symbol on his chest.

Billy as Four Arms

Four Arms has four gold bracelets on his wrists, as well as a gold crest on the top of his head, replacing the black stripe. He wears shorts instead of jeans, and his collar is visible.

A squirrel as Four Arms

Four Arms resembles the squirrel in its regular form, but it is much larger and has red fur. It has four red arms with thin, black forearms, along with a bushy tail. It wears a sleeveless white T-shirt with a vertical black stripe, along with black pants.

Gwen as Four Arms

Four Arms looks similar to Ben as Four Arms, but she has a feminine build. She wears a light blue T-shirt with white sleeves and a black cat logo on the chest. There is no black stripe at the top of her head. She has a tuft of orange hair with a blue hairclip on her head.

Powers and Abilities

  • Enhanced Strength
  • Enhanced Jumping
  • Brachiaton
  • Enhanced Acrobatics

Four Arms' most prominent ability is his enhanced strength, being able to lift several times his own weight and punch through various resilient materials with ease. His strength allows him to use anything heavy as a weapon, from big rocks he can throw several feet away, to beams and pillars that can be used as clubs. His great strength even extends to his jaws and bite, allowing him to bite metal and damage it. Technically speaking, Four Arms is physically stronger than Appoplexians.[DR 1]

Four Arms can create strong shockwaves by clapping all four of his hands together or slamming his fists on the ground. By clapping two of his arms, he only can set aside gas, dust or any air-traveling menace that could hurt him.

Four Arms can jump several times his own height, at least seven stories up, in a single bound.

Four Arms has high durability, being almost fire and laser-proof.


Tricks (11)

Constrained in Tight Spaces

Four Arms' bulk sometimes is a disadvantage; all the extra muscle mass makes him relatively slower than other opponents, and his size, likewise, makes using things, or moving through areas designed for smaller species difficult.

Four Arms' immense size makes him an easy target for enemy attacks.

There is a limit to how strong and durable Four Arms is, as he sprained his right hands in a failed attempt to penetrate Bashmouth's armor full force.[1]

Four Arms "soaks heat like a sponge", suggesting that there is a limit to his heat resistance.[2]


Ben 10


Season 1

Season 2

Season 3

Season 4


Video Games

Ben 10

Four Arms is a playable alien character in the game.

Four Arms, along with Heatblast and Cannonbolt are the only aliens available on Ben's arsenal at the beginning of the game.

Four Arms is able to use his incredible strength to tear off gate doors and remove protective plating. For this reason, he is crucial in order to defeat Weatherhead Prime, being the only alien form strong enough to damage the arms of the robotic behemoth. Four Arms' Ultimate Ability consists of him digging his hands into the ground, pulling a boulder-sized chunk and hurling it towards enemies. Four Arms is vital for progression on the The City and the The Tornado levels of the game.


Ben 10: Power Trip

Naming and Translations

Language Name Origin
French Quad From the Latin prefix quad, four
German Krake From Krake, octopus
Italian Dueperdue From Due per due, two times two
Russian Силач From Силач, strong man
Spanish (HA) Cuatro Brazos From cuatro, four and brazos, arms.
Spanish (Spain) Cuatrobrazos From cuatro, four, and brazos, arms


See Also


Crew Statements

Duncan Rouleau

Introduced in Season 1 CannonboltDiamondheadFour ArmsGaxGrey MatterHeatblastOverflowStinkflyUpgradeWildvineXLR8
Introduced in Season 2 RathShock Rock
Introduced in Season 3 HumungousaurSlapback
Introduced in Season 4 JetrayWay Big
Introduced in Season 5 TBA
Omni-Enhanced Aliens CannonboltDiamondheadFour ArmsGrey MatterHeatblastOverflowStinkflyWildvineXLR8
Omni-Kix Aliens CannonboltDiamondheadFour ArmsHeatblastHumungousaurJetrayRathShock RockSlapbackXLR8
Omni-Naut Aliens HeatblastJetrayHumungousaurShock Rock
Fusion Aliens Amalgam BenGrey ArmsXLRArmBlastDiamondHeat
Non-Canon Aliens Banana AlienHotdawgMole-Stache
Non-Canon Fusion Aliens Omnitrix Glitch FusionRath ArmsShock Blast

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