Hopalong Cassidy refers to the character portrayed by Clarence E. Milford. The character appeared in a series of twenty-eight books. The character was featured in sixty-six films known as “Hoppies.” Hopalong Cassidy appeared in several television shows, comics and records. Toys featuring Hopalong Cassidy are also included in collectibles. Other Hopalong Cassidy collectibles include album, badge, autograph book, and alarm clock.