Michael Joseph Jackson (born August 29, 1958), also known as the "King of Pop," is an American musician, entertainer and pop icon, whose successful music career and controversial personal life have been a part of pop culture for the last quarter-century. Michael Jackson is widely regarded as one of the greatest entertainers and popular recording artists in modern times, heralding and displaying new physical techniques, like the robot and the moonwalk, that have redefined mainstream entertainment. At his height, he was characterized as "an unstoppable juggernaut, possessed of all the tools to dominate the charts seemingly at will: an instantly identifiable voice, eye-popping dance moves, stunning musical versatility, and loads of sheer star power."