Dr. Ratio has wavy violet hair that partially covers his left eye. He has pale skin and a muscular build, with reddish-pink eyes with a yellow ring around the pupils. He wears a black vest with a diamond cutout on front and another cutout on his side, white buttons down the middle, with a gold ornament on top with a purple jewel in its center. He has dark blue pants, with golden sandals and arm braces with blue gems.