John Mellencamp, previously known by the stage names Johnny Cougar, John Cougar and John Cougar Mellencamp, (born October 7, 1951) is a Grammy-winning American rock singer-songwriter, musician, painter and occasional actor known for his rootsy, organic brand of heartland rock that is infused with catchy pop hooks and evocative, introspective lyrics about such hot-button subjects as politics, racism, poverty and mortality. He has sold over 40 million albums worldwide and has amassed 22 Top 40 hits in the United States.