Lucario is a bipedal dog/wolf/jackal-like Pokémon, with a few raccoon-like characteristics as well. Its fore-paws are black and it has large pointed spikes in place of the oval shaped bumps on Riolu. There is also a third spike protruding in the middle of its chest. Lucario's ears and muzzle are longer in comparison to Riolu but it retains the black "mask" and red eyes. The "mask" also has an added upper stripe. It also has four black sensory bundles on the back of its head. Yellow torso.