DC Comics Presents #87 1985 DC Comics Presents crisis cross over event with the Earth-Prime Superboy and Superman - This is the First App of Superboy Prime: Superboy-Prime was raised on a parallel world dubbed Earth-Prime. He was thought to be a normal child. He was adopted by Jerry and Naomi Kent, who thought it would be amusing to name him Clark after the "comic book" character in their world. It turned out he really was Kal-El and was teleported to Earth before the Krypton of his universe was swallowed by its sun, Rao.