Metaltic was created to help clean up toxic waste and oil spills. It seeks out hazardous material and consumes it eagerly, converting it into energy.

Toxtic was an unintended evolution of Metaltic that occurs when an individual is allow to consume mass amounts of toxins and not release the energy it creates. Toxtic are gluttonous eaters, never satisfied with a meal, they swell to gargantuan size, emitting exes toxic fumes when threatened.