Dennis Samuel Ellis was a resident at Garden State Medical Center, when he was recruited by gang leader Dr. Arthur Villain to be his personal bodyguard. He was given a special suit with several hidden weapons, calling himself Skorpio earned his keep as a bodyguard. Although he did kill some other villains, he was eventually came in conflict and was arrested by Steel. Skorpio became a recurring nemesis for the hero afterwards, having presumably lost his license to practice medicine as a result of his arrest.
Years later, it was shown that Skorpio had turned to more mundane crime to support himself. He clashed with Manhunter during a bank robbery, but quickly surrendered when he recognized her as the hero whom had reportedly killed Copperhead.
Skorpio later joined " Alexander Luthor, Jr.'s" Secret Society of Super Villains to earn some extra money.
Skorpio was among the villains that were shipped to the prison planet Salvation.