Donato di Niccolò di Betto Bardi ( circa 1386 - December 13 , 1466 ) , better known as Donatello , was an early Renaissance Italian sculptor from Florence .
Donato di Niccolò di Betto Bardi ( most people just called him Donatello ) ( 1386 - December 13 , 1466 ) was an Italian artist during the Renaissance .