Tonio is a man of average to above-average height and medium build. He keeps short, light, neat hair; and he often wears a genial expression.
Tonio is only shown in his chef's uniform, comprising a light or white double-breasted jacket, a loose tie, an apron, and a tall, cylindrical hat. He wears the small, metallic emblem of a "T" at the upper corners of the chest his jacket and apron, and at the frontal fold of his hat.
(Source: JoJo's Bizarre Encyclopedia)