Larvitar

Larvitar is a Rock, Ground-type Pokémon from Johto region. It evolves into Pupitar when fed with 25 candies and its final evolution form is Tyranitar.

Pokédex description
Rock Skin Pokémon

''Larvitar is born deep under the ground. To come up to the surface, this Pokémon must eat its way through the soil above. Until it does so, Larvitar cannot see its parents.''

Evolution family
Larvitar is part of a three-member family.