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Juggernaut
Super Name: Juggernaut
Real Name: Cain Marko
Nickname:
Universe: Earth-616
Cain Marko is the son of Dr. Kurt Marko, who was an atomic researcher, and Marjorie Marko. Cain's parents separated, and his mother died when he was three. Cain was eventually sent to boarding schools, which he continued to get expelled from. Dr. Marko's wealthy colleague, Dr. Brian Xavier, another atomic researcher, died in an accident, and Dr. Marko eventually married his widow, Sharon Xavier, for her great wealth. On marrying Sharon, Dr. Marko moved into her large Westchester County mansion, and, after yet another expulsion from school, eventually moved Cain in also.

Dr. Marko favored his gentle, smart step-son, Charles Xavier, to his own son, which led to Cain bullying the young Charles and Dr. Marko secretly beating Cain. Cain was abusive to his stepbrother at every opportunity. Charles' telepathic powers began emerging when he was still a boy, around ten, and, on one occasion, he found himself experiencing the anguished thoughts and emotions of Cain; after Cain had been beaten by his father. The inexperienced young Charles could not control or end his contact with Cain's mind at this time. Somehow, Cain sensed that Charles was reading his mind and had discovered his secret shame.

Later, Marko and Xavier found themselves serving together in the same U.S. military unit in Korea. Marko deserted under fire and Xavier went after him to bring him back. Xavier followed Marko into a cave, that housed the lost secret Temple of Cyttorak, a powerful mystical entity. Marko impulsively grabbed a glowing ruby from the lap of an idol and read the inscription (which mystically appeared to his mind to be in English): "Whosoever touches this gem shall possess the power of the Crimson Bands of Cyttorak. Henceforth, you who read these words shall become forevermore a human juggernaut." As Xavier watched, the gem's mystical power transformed Marko into a larger, superhuman being. Just then, enemy high explosive bombardment caused a cave-in and Marko was buried under several thousand tons of rock. Xavier survived and returned to his unit.

Due to the fact that he did not need air or food to survive, Marko, now the Juggernaut, eventually dug himself free with his new-found, immense strength and invulnerability and, after many years, made his way to America, to use his power to kill Xavier, leaving the gem in Korea. As the Juggernaut, Cain had released his soul to the deity Cyttorak, becoming his human avatar.

Abilities:
--Juggernaut is able to summon and remove his mystic armor at will. As a result of his days in the military and his experiences as a superhuman, the Juggernaut is a formidable hand to hand combatant preferring to use street fighting and brawling techniques that allow him to make full use of his great strength.

Strength level:
--Class 100 (estimated). The exact limit of Juggernaut's strength varies, depending on the level of power Cyttorak chooses to let him access. Even after losing Cyttorak's enchantment, he sustained a certain amount of Super Strength, enough to go toe-to-toe with Colossus.

Weaknesses:
---Cain was susceptible to exceedingly high levels of mental and mystical attack. For example, Mjolnir once was able to absorb and negate Cain's formerly impenetrable magic Force Field. Both types of attacks were able to harm him, but neither were shown to cause any type of permanent injury. His weakness to mental attacks was typically nullified by his helmet, but after his latest upgrade, he is now completely immune to psychic assault even without his helmet.

If Juggernaut does not use his powers in a manner approved of by Cyttorak, the power of the gem does not work correctly, essentially making him a human with only a portion of some of his powers. Also, being infused with unstoppable force can be used against him, as Hulk did during one of their battles, deflecting Cain's charge, causing him to speed away, unable to stop himself.

Equipment:
--Crimson Cosmos Armor: The Juggernaut wears a helmet fashioned from an unknown mystical metal found in the Crimson Cosmos dimension of Cyttorak.
The Juggernaut subsequently fashioned a skullcap from scraps of the metal used to construct the helmet. This helmet and skullcap provides him with complete protection from telepathic attack even when this is from telepaths of the order of Professor Xavier. The Juggernaut originally wore a suit of armor that he could summon around himself at will from the Crimson Cosmos.

credit: marvel.fandom.com
1ST APPEARANCE & ORIGIN
X-Men #12
Volume 1 • July 1965
2ND APPEARANCE
X-Men #13
Volume 1 • September 1965
3RD APPEARANCE
X-Men #31
Volume 1 • April 1967
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