Toon Collectibles are items related to cartoon characters, such as figurines, posters, and other memorabilia. CELS, which stands for 'Cel-Animation' or 'Celluloid Animation, ' are a type of Toon Collectible that are highly sought after by collectors. CELS are the original hand-painted backgrounds used in the production of animated films and television shows. They are often framed and hung on walls as artwork.