QuarioQuario54321 is MarioMario54321's counterpart in Into the Fourth Dimension. By being a counterpart of him, we know that he has been through similar adventures as MarioMario54321. So far, he has only appeared in two movies: Into the Fourth Dimension, and also in Into the Fourth Dimension 2.


Mushroom Kingdom: MarioMario54321

Star World: StarioStario54321

Star Road: None

The Crown Dimension: QuinarioQuinario54321. (or as AndrewJr2011 likes to call him, CrownioCrownio54321)