Appearance and Personality
Robertson has brown hair and a brown beard and is around thirty years old. He usually wears a beige jacket and brown trousers and has several belts hanging around his waist. He is of a friendly, resentfull personality and never hurts someone without having a cause to do so. He also loves women and states that "they are a great invention of heaven". He often refers to heaven or hell.
Powers and abilities
Robertson ate the Taihou Taihou no Mi, thus becoming able to turn each part of his body into a cannon at will. Those cannons shot iron missiles that vanish a minute after being shot.