Tyroc is a member of the Legion of Super-Heroes in the 30th Century. Born on Earth, he has reality-warping screams that give him many different abilities. His home is the racial separatist island Marzal. They are a highly advanced society descended from African slaves, who exist in a dimension that only appears to Earth once every several years. During the apocryphal Five Years Later era, he briefly succeeded Invisible Kid to become President of Earth. There is no counterpart to Tyroc in Reboot Legion continuity. In Prime Legion continuity, Tyroc is briefly depicted as an urban legend. Tyroc was created by Cary Bates and Mike Grell, first appearing in Superboy #216. (1976)