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Diamondhead is the Omnitrix's DNA sample of a Petrosapien Subsapien from the planet Petropia.


Diamondhead is a silicon-based life form. His body is composed of durable pale green crystals. He sports two crystal shards on his back and has yellow eyes and a sharp point on his head. He wears a sleeveless uniform which is black with a yellow "V" stripe on the middle of his torso.

In Don't Laze Me, Bro, Diamondhead grew the crystal formation on his head so that it resembled a pompadour and wore a red bandanna around it. His outfit was primarily red instead of black and was also decorated with three yellow upside down triangles forming a vertical fast forward symbol on each side of his legs.

In Ye Olde Laser Duel, Diamondhead wore a green vest with blue orbs on his chest and shoulders over his regular uniform, as well as a fake brown mustache.

Diamondhead wears the Omnitrix symbol on his chest.

Powers and Abilities

Diamondhead's body is composed of extremely thick organic green crystals. He has the ability to manipulate the atomic structure of his physiology at will, allowing him to form his limbs into diamond weapons such as blades and bludgeons. Moreover, he can control all crystals he generates.

He can make monstrous and large clusters of crystals, conjuring walls and forming crystal shields and ramps that he can slide upon. He can also generate crystals from the ground at a distance. He can reshape his projectiles into limited shapes, and can also form gaping hands to capture enemies.

Diamondhead's body resembles a living prism, allowing weapons similar to lasers to be refracted and rendered useless.

Diamondhead is able to absorb various forms of energy, such as lasers[1] and lightning.[2][3]

Due to the natural density of crystal, Diamondhead is extremely durable to physical impacts.

Because of Diamondhead being made out of organic crystals, Diamondhead is immune to aging, as crystals do not age.

Diamondhead's crystalline body makes him highly resistant to heat, being able to operate under the hot desert sun without issues.[4]

Diamondhead does not give off body heat, making him impossible to track by body temperature.[5]

Diamondhead can regenerate, but to a limited extent.


Diamondhead can crack and shatter if impacted with enough force or exposed to strong sonic vibrations and might even fall unconscious.

While Diamondhead can regenerate limbs, there is a limit to how much damage he can recover from.

The two shards on his back can also leave him stuck on a wall or on other surfaces that he gets knocked into.

Since his body is made of diamond, he can sink in water.


Ben 10


Season 1

Season 2

Season 3

Season 4

Video Games

Ben 10

Diamondhead is a playable alien character in the game.

Diamondhead is initially unavailable, but is unlocked towards the end of the The Scrapyard level.

Diamondhead is able to conjure a crystal pillar from below to elevate himself to higher areas.

Diamondhead's Ultimate Ability consists of him stabbing the ground, causing a crystal pillar from behind to launch him in the air towards enemies. Once he lands, he stabs the ground again, forming multiple crystal spikes.

Diamondhead is vital for progression on the The Scrapyard and the The Hive levels of the game.

Naming and Translations

Language Name Origin
Portuguese (Br) Diamante From diamante, diamond.
Russian Алмаз From алмаз, diamond
Spanish (HA) Diamante From diamante, diamond.


  • Diamondhead's vomit consists of crystals.[6]
  • In early concept development for the reboot, the middle of Diamondhead's torso was colored white.
  • So far, Diamondhead and Cannonbolt are the only aliens to have appeared in every series in the franchise, including the reboot.
  • During a Twitter qna, Roger Craig Smith, the voice of Diamondhead, was asked what would happen if Diamondhead and Sonic the Hedgehog, who Roger voices as well, interacted with each other, he replied by stating that both of their egos would clash with one another.

See Also


Original Aliens
CannonboltDiamondheadFour ArmsGrey MatterHeatblastOverflowStinkflyUpgradeWildvineXLR8
Introduced in Season 1 Introduced in Season 2 Introduced in Season 3 Introduced in Season 4
Gax RathShock Rock HumungousaurSlapback Jetray
Omni-Enhanced Aliens
CannonboltDiamondheadFour ArmsGrey MatterHeatblastOverflowStinkflyWildvineXLR8
Omni-Kix Aliens
CannonboltDiamondheadFour ArmsHeatblastHumungousaurJetrayRathShock RockSlapbackXLR8
Fusion Aliens Not In The Show Non-Canon
Amalgam BenGrey ArmsXLRArmBlastDiamondHeat Mole-Stache Banana AlienHot Dog AlienOmnitrix Glitch FusionRath ArmsShock Blast

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