Lucy Ricardo ((née Lucille Esmeralda McGillicuddy Ricardo) and Ricky Ricardo (Ricardo Alberto Fernando Ricardo y de Acha III) are a fictional married couple from the American television sitcom I Love Lucy, portrayed respectively by Lucille Ball and Desi Arnaz. Ricky is a band leader, and his trademark song is "Babalu". A red-haired Lucy is his housewife, who always gets into trouble and mostly caught by Ricky. Lucy's full name is given in the episodes "The Marriage License," "Fred and Ethel Fight," and "The Passports". Ricky's is given in "Lucy Raises Tulips" (1957). They have a son Ricky Ricardo, Jr., also called "Little Ricky", whose grown age is portrayed by Keith Thibodeaux. They appear, as well, in The Lucy–Desi Comedy Hour.