Originally Posted by Legend_Killer
you can have as many as you want. And they all have to be the same type. You can have at least 2 pokemon that arent that type, but they must know a rock type move.
damn, a rock type move? come on, did you see Flint's Drifblim?
EDIT: oh wait, i have tyranitar, aerodactyl, and rhyperior.