Heracross are large beetle-like Pokémon covered in a blue exoskeleton. The most notable feature is the large, pronged horn protruding out of its forehead. Heracross has two antennae with spherical tips to the sides of the horn, and elliptical eyes with yellow scleras. Heracross has small spiky extensions on the forearm segments of its exoskeleton, and two claws on its hands. Heracross has a single spiky extension on each thigh, and one pointed toe on its feet.