Lucario (Pokémon)
Lukario/Rucario is the second Pokémon after Munchlax to be revieled to be a member of Pokémon Generation IV.
The Pokémon will most likely feature in movie 8 - "Mew and the Wave Guiding Hero - Rukario!".
The small article in Coro Coro magazine that showcased the new Pokémon showed only a sihlouette.