Here comes my attempt to not double... okay, A few may have to double
Rock
6) Rhydon
5) Shuckle
4) Archeops
3) Onix
2) Tyranitar
1) Kabutops
Rhydon- Awesome looking poke and powerful too, such a shame that they made Rhyperior. He is not a good addition to the epic line that was.
Shuckle- Those defenses, looking for a tank? Shuckle is your man. 614 in either Def or Sp. Def is epic. Imagine Power Tricking that. Only problem? To use that strategy you gotta have actual attacks, which will come from either TMs or other gens. Which means his strongest STAB would be Stone Edge -_-
Archeops- The Fossil that is an updated Aerodactyl, with feathers. I must say, this guy looks kinda cool with the tropical feel to him.
Onix- Nostalgia value up to the point that I used him to OHKO Red's Charizard. In HG.
Tyranitar- Epic look to epic damage, replaced my Onix when I was finished screwing around that way.
Kabutops- Those claws are win, and one awesome Fossil as well.
Honorable Mentions: Aerodatyl (but avoided doubling), Aggron (Although I haven't spotted him in either of his types, he truly is an intimidating fellow), Armaldo (Where the effective moves Shuckle needs went).
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Official Pidgeot of the B/W Boards Clan
Quite frankly my Deerling, I don't give a Wormadam- GenesisSaga