Australian blues rock singer-songwriter and guitarist, and a former child actor. He issued two albums as a solo artist, Jammin' with the Cats and Nathan. He has been a member of various groups including Dirty Skanks, and Nat Col and the Kings. At the age of six Cavaleri was diagnosed with leukaemia and has been in remission since he was 13. As a child actor he has appeared in two films, Camp Nowhere and Paws.