Earth-Twelve (pre-crisis)

This Earth may have been home to other comedic superheroes published by DC. Additionally, references within the series pointed to versions of Justice League members having existed in that universe.

Named in Captain Carrot and His Amazing Zoo Crew! in The Oz-Wonderland War #3 (March 1986)

Was stated as being separate from Earth-B or part of "Earth-B"

A brief glimpse of a Hypertime version of this Earth is seen in Another Nail