Lucy Ricardo ( Lucille Esmeralda McGillicuddy) and Ricky Ricardo (who gives his full name in the episode "Hollywood Anniversary" as Ricardo Alberto Fernando Ricardo y de Acha, although when Lucy later calls him by his full name in the episode "Lucy Raises Tulips", she gives "Enrique" as his first name and appends "III" to the end: Enrique Alberto Fernando Ricardo y de Acha III) are fictional characters from the American television sitcom I Love Lucy, portrayed respectively by Lucille Ball and Desi Arnaz.