Michael Joseph Jackson was an American singer, songwriter, dancer, and philanthropist. Dubbed the "
King of Pop", he is regarded as one of the most significant figures of the 20th century. Over a four-decade career, his world record music achievements broke racial barriers in America and made him a global figure. Through songs, stages, and fashion, he proliferated visual performance for artists in popular music; popularizing street dance moves including the moonwalk, the robot, and the anti-gravity lean. Jackson is often deemed the greatest entertainer of all time based on his acclaim and records.