Error is a black glitchy skeleton with his entire torso being black, while his legs are red. His metacarpals are black, while his proximal phalanges are red and his middle and distal phalanges are yellow. he has yellow teeth and unsymmetrical eyes, with completely red scleras one a small yellow pupil and the other is a circle with yellow, blue and black. He has light-blue tear markings coming from his eyes to his chin. He usually needs to wear red round glasses but refuses too most of the time.