aron
steelrock
The Pokémon aron with number #0304 was discovered since the 3 generation. It has a height of 0.4 m and a weight of 60 kg. Its ability is Steinhaupt and its color is gray.
Source: Youtube; "Pokémon Theme Opening (Multi-Language) | Pokémon the Series" (Channel: "The Official Pokémon YouTube channel")