Desi Arnaz Jr

Desi Arnaz Jr (born Desiderio Alberto Arnaz IV on January the 19th 1953), is a retired American actor and musician. He is the son of actors Lucille Ball and Desi Arnaz. 
Desi Arnaz was a member of the pop band Dino, Desi, &amp; Billy, which included Dean Paul Martin (son of entertainer and singer Dean Martin).