Ben 10 Planet


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


Ben as Diamondhead

Diamondhead is a silicon-based life form. His body is composed of durable pale green crystals. He sports four crystal shards on his back and has a sharp head.

In the original series, Diamondhead wears a uniform which is black on the right half and white on the left with a black patch on the left shoulder where the Omnitrix symbol is.

In Alien Force and Ultimate Alien, Diamondhead's lower body, torso, and the top of his head are similar to Chromastone's, consisting of indigo crystal which has black lines and dots over it. There are now six crystal shards on his back instead of 4, and he now also sports two more on the front of his chest. His eyes are green, and he wears the Omnitrix/Ultimatrix symbol on his chest.

In Heroes United, Diamondhead's appearance consists of real-world crystal due to being drawn in Generator Rex's art style. He also has blades on his forearms.

In Omniverse, Diamondhead has clothing almost similar to the first series, except that now instead of half black and half white, it is all black with one large green stripe down the middle up to his belt, and wears black pants. He has a green belt with white stripes on which he wears the Omnitrix symbol. Diamondhead no longer bears the crystals on his chest. The crystals on his back have also grown in length. His jaw is also larger. He also wears black shoes with green on the bottom. There are now only two crystal shards on his back.

11-year old Diamondhead looks almost identical to the original, but the left side of his suit is missing the black patch around the Omnitrix symbol and the crystals on his back are bigger. His jaw is also larger too. His eyes are green and the Omnitrix is recolored.

Ben 10,000 as Diamondhead

Diamondhead's diamond shards on his back are bigger, and the lower ones have disappeared. Diamondhead wears a black sleeveless shirt, white pants and black boots.

The Omnitrix symbol has moved to the center of his chest.

Albedo as Diamondhead

Negative Diamondhead looks exactly like Diamondhead in Alien Force and Ultimate Alien but he has red eyes and his Ultimatrix symbol is red as well.

Gwen as Diamondhead

Gwen as Diamondhead has darker and shinier crystals, thinner arms, a more rounded body, no shards on her back, and a more square head. She wears a uniform like Ben's Diamondhead in the original series, except it is half dark blue, half light blue. She wears the Omnitrix symbol on the left side of her chest.

In Omniverse, she almost looks the same as the original series, but now she is somewhat slimmer and is more bluish colored. Her eyes and Omnitrix symbol are pink and she has a hairclip just like Gwen. Her outfit on the left side is different, she now has a black patch on her left chest and a blue cat logo around her Omnitrix. Similar to Gwen's pants, hers come halfway up her calf, and she wears black shoes.

Mad Ben as Diamondhead

Mad Ben's Diamondhead has an almost completely black Mad Max style outfit with an orange belt, small orange cross on his chest, and orange bandages on his lower arms, thighs, and lower legs. Like Mad Ben's Rath, he has silver spike pads with orange spikes on his knee joints, thighs, lower arms, shoulders, and feet. He lacks the rear head spike that Ben Prime's Diamondhead has, but has a mohawk consisting of three spikes instead. His Omnitrix is on his chest and colored orange, like his eyes.

Powers and Abilities

  • Diamondhead generating crystal
  • Diamondhead transforming his hand into a sword
  • Diamondhead controlling generated crystal
  • Diamondhead redirecting energy
  • Crystal shards

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 fire crystal shards sequentially out of his hands, and as revealed in the online game, Ben to the Rescue, he can create a powerful attack in which he expels shards in all directions, and as he aged the shards, they began to explode upon impact. He can also explode his body parts into crystalline formations, as shown in And Then There Were 10, as well as cause crystal constructs to grow from his body, the latter of which he protected Gwen from an energy blast with his body and causing large crystalline spikes to appear on his back and then disappear.

He can make monstrous and large clusters of crystals, conjuring walls and forming crystal shields and ramps. 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. By Alien Force Diamondhead was skilled enough to levitate crystal prisms, as shown in Vengeance of Vilgax: Part 2. In Trouble Helix, he was capable of encasing enemies in crystals. It has been shown that he can create crystals inside of objects and cause them to spike out.

Diamondhead's body resembles a living prism, allowing weapons similar to lasers to be refracted and rendered useless. In Vendetta, he was able to absorb energy blasts and redirect them, rather than just refracting. Diamondhead is also resistant to fire and heat, as displayed in Framed.

Diamondhead has inhuman physical abilities, enough to easily able to overpower Vilgax in a one-on-one brawl.

Due to the natural density of crystal, Diamondhead is extremely durable to physical impacts. He has withstood being punched from Galvan Prime to Galvan B by Vilgax. That incident also shows that Diamondhead can survive in the vacuum of space.

Because of Diamondhead being made out of organic crystals, Diamondhead is immune to aging and time rays, as crystals do not age. Transporter rays will also reflect off his body, as seen in Arrested Development.

Diamondhead can regenerate, but to a limited extent.

Diamondhead can extend his arms as shown in Blukic and Driba Go to Area 51 and It's a Mad, Mad, Mad Ben World: Part 1.


Diamondhead 003

Diamondhead being shattered by sonic vibrations

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. Gwen as Diamondhead lacks this weakness.


Gwen 10
Ben 10,000

  • In Handle with Care, Diamondhead stopped museum thieves and tried protect crystal eggs at the same time, but turned back to Ben before he could catch the falling eggs, thus breaking them.



Ultimate Ben;

  • In Inspector 13, the Ultimatrix turned Gwen into Diamondhead.


16 year old Ben
11 year old Ben
Gwen 10
Mad Ben



Cartoon Network Action Packs
  • Alien Data Files: Diamondhead
Chapter Books
  • The Dark of Knight
  • Galaxy Wars
Ben 10: Omniverse
  • Ben 10 (Issue 4)

Video Games

  • Diamondhead in Galactic Racing
  • 16 year old Ben as Diamondhead in Ben 10: Omniverse (Video Game)
  • 11 year old Ben as Diamondhead in Ben 10: Omniverse (Video Game)

Ben 10: Galactic Racing

  • Diamondhead is a playable alien racer in Galactic Racing (only on DS).

Ben 10: Omniverse

  • Diamondhead is a playable alien character in the game (by both 11-year-old and 16-year-old Ben).

Ben 10: Omniverse 2

  • Diamondhead is a playable alien character in the game (only on 3DS).

Naming and Translations

Language Name Origin
Arabic رأس الماس From Raes Almas/Ras Elmas, Diamondhead
Bulgarian Диамантения From Диамантен, diamond
Chinese 钻石战神 From 钻石 (Zuàn Shí), diamond and 战神 (Zhàn Shén), Ares
Croatian Kristalni "Made of crystal"
Dutch Diamandkop From diamand, diamond and kop, head
French Incassable From incassable, unbreakable
German Stahlschädel From Stahl, steel and Schädel, head
Greek Διαμαντοκέφαλος From διαμάντι, diamond and κεφάλι, head
Hebrew ראש יהלום From ראש, head and יהלום, diamond
Hungarian Gyémántfej From gyémánt, diamond and fej, head
Japanese ダイヤモンドヘッド From ダイヤモンド (daiyamondo), diamond and ヘッド (heddo), head
Korean 다이아몬드 From 다이아몬드, diamond
Norwegian Hardhaus "Tough Guy"
Polish Diamentogłowy From diament, diamond and głowa, head
Portuguese (Br) Diamante From diamante, diamond
Romanian Cap de Diamant From cap, head and diamant, diamond
Russian Алмаз From алмаз, diamond
Serbian Kристални (Kristalni) From Кристални (Kristalni), the crystal one
Spanish (HA) Diamante From diamante, diamond
Spanish (Spain) Diamantino Relative of diamante, diamond
Swedish Diamantskalle From Diamant, diamond and skalle, skull
Turkish Elmaskafa From elmas, diamond and kafa, head


  • As revealed in the I-10 user generated experience, Diamondhead was originally supposed to be an additional alien, while Cannonbolt would take his place as an original 10.
  • After the destruction of Petropia and before The Secret of Chromastone, Diamondhead and Tetrax were the only known Petrosapiens alive.
  • Diamondhead is the only alien other than Way Big to defeat Vilgax.
    • Diamondhead is also the only alien other than Feedback to defeat Malware.
  • Diamondhead makes a crystalline metallic sound every time he moves.
  • Diamondhead was accidentally named by Max.

See Also

Ben 10 Aliens
Introduced in Ben 10
ArctiguanaBlitzwolferBuzzshockCannonboltDiamondheadDittoEye GuyFour ArmsFrankenstrikeGhostfreakGrey MatterHeatblastRipjawsSnare-ohStinkflyUpchuckUpgradeWay BigWildmuttWildvineXLR8
Introduced in Ben 10: Alien Force Introduced in Ben 10: Alien Swarm
Alien XBig ChillBrainstormChromastoneEcho EchoGoopHumungousaurJetrayLodestarRathSpidermonkeySwampfire Nanomech
Introduced in Ben 10: Ultimate Alien Introduced in Heroes United
AmpFibianArmodrilloChamAlienClockworkEatleFasttrackJury RiggNRGTerraspinWater Hazard Shocksquatch
Introduced in Ben 10: Omniverse
AstrodactylAtomixBall WeevilBloxxBullfragCrashhopperFeedbackGravattackGutrotKickin HawkMole-StachePesky DustThe WorstToepickWalkatroutWhampire
Ultimate Forms
Big ChillCannonboltEcho EchoHumungousaurSpidermonkeySwampfireWay BigWildmutt
Future Aliens Fusion Aliens See Also
SandboxShellheadSnakepitSpitter Diamond MatterHeat JawsStink Arms Decagon VreedleRocksSquidstrictorThriller WhaleVentrilosquid
PortalerAntigraviteslaBob the BlobPlantapocalypse
Ben 10,000 Aliens
Omnitrix Aliens
ArctiguanaBuzzshockCannonboltDiamondheadDittoFour ArmsGrey MatterHeatblastSandboxShellheadSnakepitSnare-ohSpitterStinkflyWay BigWildmuttWildvineXLR8
Biomnitrix Aliens
Atomic-XBig ChuckCrashockerFourmungousaurHumungoopsaurUpRigg
Albedo's Aliens
Regular Aliens
Alien XArmodrilloArctiguanaBig ChillBrainstormChamAlienDiamondheadEcho EchoFasttrackGoopGravattackHumungousaurJetrayLodestarNRGRathSpidermonkeySwampfireWildvine
Ultimate Forms
AlbedoArctiguanaEcho EchoGravattackHumungousaurRathSpidermonkey

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