Desiderio Alberto Arnaz y de Acha, III (March 2, 1917 – December 2, 1986), better known as Desi Arnaz or Desi Arnaz, Sr., was a Cuban-born American musician, actor and television producer.
He is best remembered for his role as Ricky Ricardo on the American television series I Love Lucy, starring with Lucille Ball, to whom he was married at the time. Arnaz was also internationally renowned for leading his Latin music band, the Desi Arnaz Orchestra.