Steely Dan wears an open shirt that falls below the waist with an extension in the form of a loincloth over the groin. The shirt has long sleeves in a darker color than the others and matches the pants. He has shoulder-length black hair that falls down the sides. He has multiple irises with a wavy pattern over his eyes. His eyebrows are segmented, taking the form of dotted lines. Steely Dan has maroon eyes and also has slightly dark skin. He has a muscular build and above average height.