Long before Prince decided he had it with his regal name, Mellencamp was the original "artist formerly known as." He started his career with the record label-chosen moniker Johnny Cougar before his success allowed him to return to his family name. Early in his career he could have gone by Bruce or Bob, since his first recordings sounded more like Springsteen or Seger than something original. It wasn't until he produced a bushelful of radio hits before he started to mine a territory ...  [+]