Naliss
Naliss is a fictional character who appears in the animated television series "Code Lyoko." Within the narrative, Naliss is a virtual entity, a manifestation of a virus designed by the antagonist X.A.N.A. to disrupt the Lyoko system and, by extension, the human world. Naliss's primary role is to act as a powerful and formidable adversary to the main protagonists, the Lyoko Warriors, as they attempt to defend the virtual world and their own reality from X.A.N.A.'s destructive schemes.
Naliss is characterized by its aggressive nature and its ability to adapt and evolve its attack strategies.