if you think about it all are OC are different, so different that they might not even be from the same universe. think about it, you got h2yugiohs OCS that are animatronics my OCs come from a lot of places.h2greens OC is a human, Doompro5s OC is a different kind of human, etc. maybe they just used portals to get to each other yah never know. and thus this is my theory.
Heavell: where joy and Damen live. the pizzeria: where h2yugiohs OCs live (it's just a guess could be wrong) earth: were h2green and Doompros OCs live (it's just a guess could be wrong) and etc.
