Sun Boy is a member of the Legion of Super-Heroes in the 30th Century. Born on Earth, he gained heat and light powers in a nuclear accident. The accident was caused by Doctor Regulus, who blames Sun Boy for ruining his life.
His Batch SW6 counterpart is called Inferno. In Reboot Legion continuity, Dirk Morgna has sun powers but does not become a member of the Legion. The Prime Legion continuity version of Sun Boy is killed by Superboy-Prime during Final Crisis. Sun Boy was created by Jerry Siegel and Jim Mooney, first appearing in Action Comics #276. (1961)