The Fictosphere is a construct containing all of the characters, places, and goings-on of Area 42, the Fenomonal Fictosphere Fracas, Many Super Adventure! Matsu Her-O GO! , PC/MS, and, generally, everything in the whole of existence.
The Fictosphere was created by the Embodiments of Good, Evil, and Neutrality after the obliteration of their previous universe. It contains the entirety of existence, in one form or another, though only certain areas are highlighted. It was named in the first installment of Many Super Adventure Matsu Her-O GO!