Michael Jackson dies and all of a sudden he's the greatest entertainer of all time. Not so fast. MJ made three great albums, invented the moonwalk and, well.... Let us take another look at the performers who have truly proved most thrilling over the years.1. Elvis Presley Michael Jackson may have dubbed himself the King of Pop but Presley -- who has sold more records than anyone on this list -- has always worn the crown. An unstoppable sex symbol, he brought ass-shaking rock and roll to the mass