Warren Harper is a recurring character in seasons 45 on onwards of TWD. He first appears in the 16th episode of season 45. In this episode Stomedy gets Shaq and Tyrone to recruit more Maltesers. The pair then finds Warren, frozen in a secret ice chamber. They thaw him out and bring him back to the Maltesers base. It turns out Warren is a rare Malteser, known as a white chocolate Malteser. Warren fought for the Maltesers, and later married Elsa
