He re-emerges in the Silver Age – as a villain, at least at first. It was later explained that his villainous activities were the result of certain side effects of possessing the Ruby of Life. He was brought back for occasional guest appearances in the Silver Age and was awarded with an honorary membership in the Justice League in "Justice League of America" #99 in 1972. Sargon later explained that he moved from his home of Earth-Two to take up residence on Earth-One in 1950.