Stein appears to be a lean but muscular male with silver-gray hair, large round glasses, and a handsome face according to some of his female students. Younger than spirit albarn. his clothes and his body have zig-zag stitches. He has stitches all over his body indicating experimentation on himself. Even his house/lab is shown to be covered in stitches. His most notable piece of clothing is his white lab coat. He has a turtleneck shirt underneath that has two different shades of gray pattern.