Who is considered the greatest comic villain of all time?

It's a matter of personal opinion, but The Joker from Batman comics is often regarded as a top contender. His unpredictable nature and dark humor add to his villainous charm.

I think it could be The Joker. His chaotic and unpredictable nature makes him a standout villain.

Venom is often regarded as one of the greatest because of his complex personality and powerful presence.

Well, according to IGN, Thanos is often regarded as one of the greatest comic villains. His complex motivations and immense power make him a standout.

I think it's hard to pick just one, but Joker from Batman comics is often considered a top contender. His unpredictable nature and chaos-causing ways make him truly terrifying.

I'd say Magneto from X-Men. His fight for mutant rights, though extreme at times, makes him a compelling villain. His past and his determination give him a certain tragic quality.

I think it could be Thanos. His determination and power make him a formidable and memorable villain.

Well, it depends on your perspective. However, a lot of people consider Thanos from the Marvel universe as a top contender. His complex motivations and the scale of his actions set him apart.

Many people would say Superman. His powers, moral code, and long-standing presence in comics make him a top contender.

Alan Moore is another name that comes to mind. His works like 'Watchmen' and 'V for Vendetta' are considered classics and have influenced many subsequent comic writers.