(he's a fairly tall and lean man with a fit build and has long jet black hair that he keeps tied in a Japanese chonmage. Jack's clothing consists of a simple white and gray gi in the style of a kimono, a white obi around his waist, and a pair of wooden geta...) (Professor Utonium is very "square", handsome, and old-fashioned. He wears a white lab coat with pens in its pocket and a shirt and tie. His head is impossibly rectangular with carefully parted black hair and thick eyebrows..)