Penguin enforces the EBE's directive to eliminate individuality among the Nyanvies, hunting down rebellious artificial life forms created by the rabbit-like aliens. Following Nora's victory in the "Cat of Cats" tournament, which designates her as the blueprint for future identical Nyanvies, Penguin specifically targets her.

Operating from a secret base equipped with security systems and patrols, Penguin poses obstacles to Nora and her allies during their rebellion. The character guards key areas and pursues Nyanvies resisting conformity, appearing in stealth and puzzle sequences as an enemy that must be avoided or overcome to progress.

No details exist regarding Penguin's physical appearance, personality traits, backstory, or development in other media.