Nouotoko

Nouotoko (脳男, Brain Man) is a bodiless ayakashi capable of possessing a person and unlocking their body's highest potential.

Appearance
He resembles a blue brain with green eyes (black rectangular pupils) and eight antennas.

Personality
Nouotoko takes full advantage of the abilities of his captive body, and will not hesitate to endanger its life or use it as a human shield if it suits his purposes. He is wily and manipulative, choosing his targets carefully and exploiting what he sees as their weaknesses.

Powers & Abilities
Body Possession: Nouotoko moves between bodies by forcing his new target to say the name of the person he is currently possessing.

Potential Boost: While possessing a body, he can boost its physical strength to the highest level.