Exotic technologically advanced yet intuitively inept alien civilizations. Enhanced by the potent potential of humans from the Earths of their dimensions.
That just about describes Terra and its counterpart Karma. Two worlds that were seemingly replicas of Earths One and Two, respectively, down to their lookalike inhabitants resembling prominent humans of each world.
Then there was the planets of Lexor and Rolez, who had contacts with each Earth through an interesting paradigm. Lexor found itself the adopted world of criminal Lex Luthor, its resident hero. Rolez was the homeworld of Liandly, counterpart to Lex's sister Lena.