The leader of the secret agent group and a self-proclaimed "perfect spy" with her overconfidence and "ponkotsu" tendency often causes her plan to backfire.
Initially appeared as a calm and light-hearted individual. Zeta is prone to unleash her chaotic outbursts, with her occasionally raging and "bonking" her chat with a knife. Zeta's catchphase is the word "sus" (or "sussy") which she frequently uses to hide her admittedly suspicious lore and conflicting personality.
Zeta is nicknamed "cat" by her fanbase due to her cat-like hair ears, with her either deny or accept the association depending on the situation.
