Machop is a bluish-gray Pokémon with large arm muscles. It has three brown ridges on its head, rib-like protrusions on its sides, has a tail, and resembles a human child.
Machop can have the abilities Guts and No Guard. Guts increases Machop's attack when it has a status effect. No Guard allows both the opponent's and Machop's attacks to hit more often. Machop is very strong and is capable of mastering many types of martial arts.