Shadow Milk Cookie is a clown/jester. He wears a blue jester outfit, his hair is white and he has heterochromia. He has blue and black eyes. Among the Five Beasts he used to be great powers. His strength used to be Knowledge, until his power corrupted him, and reduced it to Deceit. He is a manipulative soul and can posess other people, and enter other people's minds. He can trick other people. He is a cruel, cunning clown and trickster. He can mimick other people's voices.