Chuck is one of the main protagonists of the animated film Help! I'm a Fish. The cousin of Fly and Stella, Chuck is a wormbook who usually spends his time reading, in contrast to his cousins who spend their lives goofing around. However, his life dramatically changed when the trio were forced to spend their new life at the sea. There, they managed to settle matters and affairs, joining forces as they fought the pilot fish Joe before returning to their world. Chuck's adventures do not come to an end when the rising threat posed by the villain forces provokes the heroes to investigate the mysterious schemes of the villains in Heroes vs. Villains.