For unknown reasons, Eichorn was a homeless derelict. Eventually, he was approached by a medical research firm, operated by Gerald Stone. They were seeking homeless people to participate in experiments for new pharmaceuticals. The pay was good, and the danger promised to be minimal. Eichorn readily agreed. Unfortunately, one of the scientists was pursuing his own unauthorized research by exploring the theory that the human body can develop immunity to cancer, by controlled exposure to the disease. As a result, Jacob Eichorn was injected with a mutated cancer compound. Although he developed an immunity to the disease, Eichorn became a living cancer himself with the ability to kill organic matter by touch.
Member of the Cult of Entropy and partner to Stone (Gerald Stone).