Bestovius

Bestovious is a sage that appears in Super Paper Mario. He is a powerful sage, the Dimensional Governor of Lineland and the so-called "Flip Wizard". He thinks highly of himself and he is a descendant of the ancients. He is also a distant cousin of Merlon and Merlee. He is responsible for granting Mario the ability to switch between the second and third dimensions.

Bestovius believes that people from another dimension listen to him, and believes that they would wish to know that Mario can flip dimensions with the A button. This is, indeed, breaking the fourth wall.

Bestovius is Watchitt's cousin. If Mario returns the "You-Know-What" from Watchitt to Bestovius, Bestovius will give Mario the Training Machine (a Nintendo DS) that he had promised Merluvlee. According to Bestovius, he no longer needs it because he got a newer, sleeker model (presumably a Nintendo DS Lite).