Earth-3

Earth-3 is a fictional universe within DC Multiverse, mostly populated by moral opposites of the people of Earth-1. While Ultraman, the opposite of Superman, is a villain, the Lex Luthor of this world is a superhero.

Notable habitants
Its most noteworthy habitants are the members of the Crime Syndicate of America, all supervillain analogues of the Justice League of America, who often clash with them. Their agenda is mostly chaotic and ranges from defeating ther counterparts just for the sake of it, to destroying the entire multiverse.
 * Ultraman
 * Owlman
 * Super Woman
 * Johnny Quick
 * Power Ring
 * White Martian
 * Barracuda
 * Deadeye
 * Blood Eagle
 * White Cat
 * Elasti-man
 * Annataz Arataz
 * Deathstorm
 * Element Man
 * Scarab
 * Frostbite
 * Fiero
 * The Metal Marauders
 * Young Offenders
 * Lois Lane
 * Alexander Luthor Sr.
 * Alexander Luthor Jr.
 * Jokester
 * Three-Face
 * Quizmaster

Main sources
The Earth-1 setting and continuity takes most of its portrayals, settings and continuity from the following sources: Particular sources that do not conform part of a broader continuity, might also determine a lot of aspects of the fanon.
 * Earth-Three of the silver age.
 * JLA: Earth-2 and other versions of the Earth-Three.
 * Justice League: Worlds Collide
 * Super Friends