10 Messed Up Marvel Villains You Won't Believe Exist

So, there are actually two characters called Styx in the Marvel Universe: one who was a homeless person called Jacob Eichorn, who gets turned into a living cancer whose only source of pleasure is killing other beings (charming), and the other being a personality of Legion, aka David Haller.

Both fit the bill here though, because they both boast genuinely creepy designs and have committed equally awful acts in the years since their respective debuts.

Eichorn's Styx (pictured above) became a terrifying mercenary following a pharmaceutical trial gone wrong. Whereas the drug was intended to cure cancer, it ends up creating a monster whose touch renders all organic matter withered and dead within minutes. He's all kinds of messed up, even if he himself was a victim too.

Then there's Legion's Styx. One of Haller's many personalities, Styx separated from Legion's physical form in the wake of Fortress X, and boasts a design that quite honestly could've been right at home in the pages of Vertigo's Sandman comics.

Styx looks desiccated, has razor-sharp claws, and can absorb the souls of his enemies. Throw all of that on top of Legion's base powers, and you're left with one of the X-Men's most terrifying - albeit temporary - adversaries.