Daisuke Namikawa
is a Pokémon species in Nintendo and Game Freak's "Pokémon" franchise. Created by Ken Sugimori, Lucario first appeared as a central character in the film ', then a cameo in ', and later appeared in the video games "Pokémon Diamond" and "Pearl" and subsequent sequels, also appearing in various merchandise, spin-off titles and animated and printed adaptations of the franchise. Lucario is voiced by Daisuke Namikawa, Daisuke Sakaguchi, Rikako Aikawa and Kiyotaka Furushima in Japanese, and Bill Rogers and Sean Schemmel in English.