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Ralph Roberts (Earth-616)

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HelpCobalt Man
Cobalt Man I 001
Information-silkReal Name Ralph Roberts
Information-silkCurrent AliasCobalt Man
Information-silkRelativesTed Roberts
Information-silkAffiliationEgghead's Emissaries of Evil
Information-silkIdentitySecret Identity
Information-silkOccupationFormer criminal; scientist
Information-silkHeight5' 8" (originally); 6'1" (mutated)
Information-silkWeight156 lbs (71 kg) (originally); 276 lbs (mutated)
Information-silkHairBrown (grey temples)
Information-silkPlace of DeathStamford, Connecticut
Information-silkCreatorsRoy Thomas, Werner Roth
First AppearanceAppearance of Death


Ralph Roberts was a scientist who had been studying the effects of nuclear radiation involving cobalt. He sought to use this as a weapon and began designing a suit, which he planned to give to the military as opposed to Iron Man. Upon completion, he called himself the Cobalt Man. When he first put on the suit, he was suffering from a concussion, because he had injured himself in a pole jump competition with his brother Ted. Because of his head injury, he became obsessed with defeating Iron Man.[2] He was defeated by the X-Men before his unstable suit could explode.[3] [4]


Ralph finally achieved superhuman size and power due to being bombarded with radiation. However this was slowly killing him. He decided to show the world the dangers of nuclear power by destroying himself and the city of Sydney, Australia. However in a fight with the Hulk, he seemingly dies, when thrown safely away from the planet.[5][6]

Emissaries of Evil

He was later brainwashed to serve Egghead as part of his Emissaries of Evil and fought the Defenders. Roberts was believed to have been killed in a nuclear explosion while trying to escape from Egghead.[7][8]


To infiltrate the Thunderbolts, Iron Man created his own version of the Cobalt Man armor and posed as Roberts. [9][10]


He later turned up alive, allied with a group of supervilllains hiding out in Stamford, Connecticut. The New Warriors arrived to capture the villains, but one of them, Nitro, blew himself up killing most of the Warriors, six hundred innocent civilians and, apparently, all of his fellow fugitives, including Roberts[11].

Skrull Impostor

Ralph seemingly returned from the dead but it is revealed that this is really a Skrull Impostor. When interrogated by Captain Marvel about the Skrull's Secret Invasion plans, the Skrull told him that he was not the real Captain Marvel.[12]


Later, a group of men wearing cheap knockoffs of the Cobalt Man suit attacked surviving New Warrior Speedball in retaliation for the Stamford massacre, calling themselves the Cobalt Men.[13]


During Hercules' journey to the Hades the underworld, Cobalt Man was seen gambling for his resurrection.[14] He was later seen as a member of Pluto's jury alongside Nessus, Orka, Armless Tiger Man, Abomination, Jack O'Lantern, Scourge of the Underworld, Baron Heinrich Zemo, Kyknos, Artume and Veranke for Zeus' trial.[15]



  • Cobalt Man Armor: The Cobalt man operated a powered armor similar to that of Iron Man. It used cobalt to power a nuclear reactor, although it was notoriously unstable. The armoured suit gave him a number of abilities including superhuman strength and stamina, near-invulnerability, concussive force blasts, the ability to survive in vacuum and flight.[17][18][19]
  • Colbalt Man's early appearance are reprinted in various comics[20][21][22] [23]

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