 He had five brothers and three sisters who also acted in films, including Billy, Delmar, Garry, Harry, Vivian, Gloria, Louise Watson Roberts, and Bobs Watson.Because he was featured in several of Mack Sennett's popular "The Keystone Cops" comedies, he earned the nickname "The Keystone Kid".During World War II, Watson served in the United States Coast Guard, based out of San Diego.