20 Greatest Spider-Man Villains Ever

What Carnage lacks in originality, he makes up for in sheer brutality.

While Venom may operate by a code of honour, Cletus Kassidy was a murderous psychopath even before he bonded with the symbiote's "son". As Carnage, it often takes the combined might of both Spider-Man and Venom to stop his murderous rampages.

Carnage is pretty much just happy to kill anyone he's comes across, but events like Maximum Carnage have shown that he's willing to work with others and come up with larger scale plans, like taking over New York.

He's also seemingly died numerous times, but his shapeshifting symbiote powers mean that Carnage always seems to find a way to come back.