Mille-Feuille is a tan Roborovski hamster character from the Japanese company Sanrio. Mille-Feuille has tan fur, pale pink feet, round ears with pale pink linings, black oval eyes, thick white eyebrows, and a black nose and mouth.
He is a close friend of Biscuit and one of Sugar's hamster friends. His personality is considered normal but he is knowledgeable doctor enough to give a lecture to Daniel. His charm point is the white eyebrows above his eyes.