A real estate broker named Jonas T Smith, taking on the identity of Thor Kol, a ruler of Krypton from long ago, has started a Krypton-themed island where people can come and buy property. The island is called Krypton Island. However, Superman soon catches on to the ruse, and nabs the crook. He allows Krypton Island to continue under new management, however. The island is renamed Kryptonopolis.