Error is a glitchy skeleton, with his entire torso being black, while his legs are red. The tips of his fingers are red and yellow, He has a small, white pupil in his right eye, and a larger pupil going from yellow to blue to black in his left, his sclera is red. He wears a black coat with blue gradient, a long blue scarf, black sandals, and black pants that end at his knees & a red undershirt, his teeth are a pale yellow. There are light blue tear like markings running down his cheeks.