Juggernaut's real name is Cain Marko and is Professor X's half-brother. Bonded with the Crimson Gem of Cyttorak, Marko became superhumanly strong and invulnerable.
| Juggernaut |
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| Wolverine Vol.1 #93 Juggernaut's real name is Cain Marko and is Professor X's half-brother. Bonded with the Crimson Gem of Cyttorak, Marko became superhumanly strong and invulnerable. |