"More Famous" is an arbitrary concept. There is no way to properly gauge which one is known by a majority of the general public without doing extensive polling.
Since that data does not exist any answer provided by the participants of this site would only be opinion based and not a substantial answer.
Mario is more famous than everybody.
Sonic the hedgehog
yo mummer
Now, in the 21st century, Shrek. He is more widely known.
Adele is more famous
adele is more famous and has won more awards
Mary Kate, for shiz! Nicole richie, she's more aggressive
Adele
Adele.
adele is more famous than neil diamond
Isaac Newton is more famous than Adele. However, Adele sings better.
Adele