Original: Donato di NiccolÃ di Betto Bardi ( circa 1386 â '' December 13 , 1466 ) , also known as Donatello , was an early Renaissance Italian artist and sculptor from Florence .
Simplified: Donato di NiccolÃ di Betto Bardi ( most people just called him Donatello ) ( 1386 â '' December 13 , 1466 ) was an Italian artist during the Renaissance .