Machop is a humanoid, bipedal Pokémon that has gray skin. There are three brown ridges on top of its head, and it has large red eyes and relatively flat face. Its chest has three, thin, rib-like stripes on either side. Its feet appear to have no toes, while its hands have five fingers. It has a short, stubby tail. Machop's entire body is covered with muscles that will never tire or cramp. With these muscles, it can lift many times its own body weight. It spends its time and energy practicing all different forms of martial arts and trying to improve its abilities. Machop lives in the mountains.
Shiny Machop is pale green.