Psykos is an esper, the military advisor of the Monster Association, and a former friend of Fubuki. Psykos has a curvy figure with long aqua-blue wavy hair, emerald-green eyes and typically wears glasses. Equally as manipulative as she is cunning, Psykos also often schemes and plots around the other members of the Monster Association geared towards experimental needs. Psykos is also quite arrogant, sadistic, and volatile. She is also very mischievous and despises all of humankind.