6. P-Square, 33 (Musicians)
One of the most successful music acts in Nigeria, this show-stopper duo have risen to the vertex of fame in Africa and beyond. The identical twin brothers, Peter and Paul Okoye, popularly known as P-Square garnered over 10 million views to the music video of their hit song, “No one like you” on YouTube – an astonishing feat for any Nigerian artist. They won the KORA Award for “Artiste of the Year” in 2010.