 Numerous superhuman individuals have fought in the UCWF at one time or another, including both those recognized as superheroes and supervillains.Prominent members have included The Thing, Justice (then known as Marvel Boy), and Demolition Man.The ranks of the UCWF have also included mutants, aliens, members of the Eternals (like Ikaris) and the Deviants, and many of the other varieties of super-strong beings from throughout the Marvel Universe.