Zoro: Appearance. Zoro is a relatively tall man with a muscular physique and light tanned skin. He has his distinctive spiky green hair, which Sanji ridicules him for by calling him "Moss Head". He has a stitched scar on his chest. Asura is an incredibly powerful ability that Roronoa Zoro possesses the origins of which are unknown to this day. Essentially, this ability allows Zoro to produce two heads, four arms, and four legs, which allow him to wield the deadly Nine Sword Style