The "WOY Universe" (full called the "Wander Over Yonder Universe") is a conflictive universe in the Wander Over Yonder show. It is a hell-dimension plunged into continuous conflicts and controlled by evil conquerors who fight each other to exert their hegemony on it. Its major galaxy is the Yonder Galaxy, where most of the show's events occurr. In a one-shot past in show said galaxy were ruled by Major Threat, centuries later by Mandrake the Malfeasant, more centuries later by Lord Hater, posteriorly were destroyed by Lord Dominator and currently is rebirthed thanks to the seems of a flower found by Wander and Sylvia and ruled again by Hater.