Probably Harry Potter as the series reaches out to a much wider audience than Rihanna's music.
harry potter is more famous than Bart probably, but not as famous as Homer.
sponge bob is more famous
Harry Potter is much more famous.
harry potter harry potter
harry potter
Harry Potter.
Harry Potter
Harry Potter
harry potter
Harry potter monies and harry potter
I think it's pretty fair to say that Harry Potter is more famous
Harry Potter