Peoples of the Wandering Planets:
Planet Antar:
Antarenes (Superworld Comics 003, 1940)
Planet Asperus:
the Emerald Men of Asperus (Fantastic Comics 008, 1940)
the Black-Light Planet:
Black-Light Men (Daring Mystery Comics 005, 1940)
Planet Gemro:
Gemrovians (Mystery Men Comics 016, 1940)
Planet Inferno:
Inferians (Zip Comics 002, 1940)
Planet Octo:
Octopus Men (Fantastic Comics 017, 1941)
Unnamed Wandering Planets:
the Green Men (More Fun Comics 068, 1941)
Hoppers (Fantastic Comics 005, 1940)