Geatar, the children of Thanos (Styx and Mantrax), and the Infinity Pool were introduced in Silver Surfer vol 3 38, cover date June 1990. They were created by Jim Starlin and Ron Lim. Thanos faked his death at the hands of Silver Surfer to keep him off his track while he pursued his plans to eliminate half the universe. ("The Answer!!!" Silver Surfer vol 3 38, Marvel Comic Event)














