You can quote them in an instant, reference them with just one name, and even dress up like them for Halloween. In this always-expanding pop culture of ours, there are plenty of stars, but precious few icons. On its latest edition of the acclaimed Greatest countdown series, VH1 burrows into the pop persona's that have made the ultimate impact; names so familiar they're recognized and revered in the world's most far-flung spots. What makes an 'Icon?' It's not enough to just be famous or to hav ...[Read Story ]