Its arms and legs are noticeably slimmer than the rest of its body. Its sideburns feature a similar pattern but are shaven into rectangles instead. The hair on the top of its head is much more natural, although appearing somewhat unkempt. Much like the Stand's subordinate Wu Tomoki, the hair on the sides of its head is composed of many spheres. The disguise's most notable features are a beard styled into multiple short spikes and a monocle on its right eye. The disguise has a thin furrowed face with prominent cheekbones, sunken eyes, a large nose, and thick white hair. The disguise is depicted as Satoru Akefu, an elderly man with a stocky build said to be 89 years old. To the general public, it appears in its disguise meanwhile, to those who are aware of its ability, its true face appears. Wonder of U's appearance differs depending on who sees it. The entire face is framed by two pairs of metallic sticks behind its eyes. In early appearances of it, the eyes were drawn with triangles making them appear like suns, similar to the sun motif found on Toru's outfit. Its head has a flattened ovoid shape and a face with two coin-like eyes and more circular ridges. It also has long curved blades on its wrists. Its entire body is covered with circular ridges that are evenly spaced. It has a large torso but thin, tubular arms, with several articulations on its arms and waist. Wonder of U is an artificial humanoid Stand with robotic features.