Singer Elvis Presley was a legendary American singer and actor who rose to fame in the mid-1950s. He is widely regarded as one of the most significant cultural icons of the 20th century and is often referred to as the 'King of Rock and Roll' or simply 'the King'. His music career spanned an impressive four decades, during which he released a number of hit singles and albums that have become some of the best-selling in history. He also starred in a number of films, including Jailhouse Rock and Viva Las Vegas. Elvis Presley's influence on popular culture is still felt today.