Related Information for Danny! Daniel Swain, better known by his mononymous stage name Danny!, is an American rap performer and record producer from Columbia, South Carolina.Danny! is a former student of the Savannah College of Art & Design. He often wears an oxford shirt and pinstriped necktie, and has gained notoriety for prank-calling celebrities. In 2012 Danny! rose to prominence shortly following the proclamation by The Roots drummer Questlove that there was strong interest from Jay-Z; he was sub.. read more