An experimental spore, released on a planet in the anti-matter universe known as the Negative Zone rapidly grew, and developed into the insectivoid entity called Annihilus. Cosmic power, harnessed through a Control Rod, grants Annihilus super-human strength and extends his life to near immortality. With superior intelligence and a mastery of the alien technology that spawned him, Annihilus has dedicated his existence to conquering any being that threatens his insane quest for power.