Unlike its creator, Cu's doubles will move freely about the screen, chasing Yuri and his party. The clones can be identified on the Map screen as circles, while the real Cu is a square. Also, they are identifiable based whether or not they use magic; only the real Cu Chaspel can cast spells.
[view·edit·purge]In biology, cloning refers to the natural or artificial process of producing similar populations of genetically identical individuals. The term is derived from the Ancient Greek word κλών klōn, "twig", referring to the process whereby a new plant can be created from a twig.
More generally, the word "clone" means a duplicate or copy of something.