Lucario is a Fighting/Steel type Pokémon introduced in Generation 4. It is known as the "Aura Pokémon".
National № 448
Type Fighting Steel
Species Aura Pokémon
Height 3′11″ (1.19m)
Lucario is a bipedal, jackal-like Pokémon, with fur that is predominantly blue and black. It possesses a short, round spike on the back of each forepaw, in addition to a third on its chest. Lucario's snout and ears are longer than those of its pre-evolution, Riolu. It possesses cream-colored fur on its torso, and blue fur on its thighs that resembles shorts. Like its pre-evolution, Lucario stands on its toes rather than on its entire foot. It has developed four small black appendages on its head, which rise when Lucario reads or manipulates aura. TRIVIA
Lucario has the highest Special Attack base stat of all non-legendary Fighting-type Pokémon.
It is also the only non-legendary Fighting-type whose Special Attack base stat is higher than its Attack base stat.