Who is Naija's most famous entertainer?

I was talking to this friend of mine who lives in the US and hasn't been back to Nigeria in over seven years, yesterday, and while we were talking, there was a song playing in the background. He asked me what I was playing and I said it's Wande Coal's "You bad". Then my friend said "Who is Wande Coal?". That threw me off; how can anyone not know Wande Coal? So I started the questions. Do you know Dbanj? Yes, I have heard of him. Do you know Tuface? Of course, I even have his CD. DO you know P-Square? I have heard of them. Do you know 9ice? Nope, is he popular over there? Do you know Femi Kuti? What kind of a question is that? Do you know Genevieve, Rita, Omotola, RMD, Ramsey Noah? Of course, I've seen some of their movies. And so and so forth.

Let me say here that my friend is not an entertainment person at all. He's not even on FB, and mostly listens to old school music...so maybe his case is understandable. But despite his lack of interest in entertainment, he still knew some people...

So I ask, who do you think is the most famous Naija entertainer? That person most Nigerians (and other Africans), both young and old, and even the ones in the diaspora, know. I'm thinking it's between Tuface Idibia and Femi Kuti . What do you think?

P.S (I'm talking about the new school entertainers!)