It's been five years since Chemo dropped in on Nightwing's old Blüdhaven stomping grounds in Infinite Crisis #4, but real estate values have never really recovered. It's so bad that even the classicized version of the city that exists in DC Universe Online reflects a wasteland replete with toxins enow that only mutants call it home. The days of
Damage wrought by oil leaks and pollution are on everyone's mind right now. The escalating harm hitting the gulf of Mexico is enough to make you wish that environmentally savvy heroes such as Aquaman and the Swamp Thing were real so they could help clean up the whole mess. But just as their are heroes dedicated to protecting our planet, there are those baddies who seem determined to poison it via all manner of pollutants.
With that in mind, here's a list of a few evil villains who are all effectively walking bio hazards not only to people but to the environment around them.