My favorites on Gen 5: Serperior, Emboar, Samurott, Watchog, Stoutland, Simisage, Zebstrike, Gigalith, Exadrill, Conkeldurr, Seismitoad, Throh, Sawk, Scolipede, Lilligant, Krokorok, Darmitan, Cofagrigus, Carracosta, Archeops, Zoroark, Reniculus, Sawsbuck, Escaliver, Gavantula, Ferrothorn, Eelectross, Chandelure, Haxorus, Beartic, Accelgor, Meinshao, Druddigon, Gorlurk, Bisharp, Buffoufant, Braviary, Hydreigon, Volcanora, Terrakion, Tornadus, Zekrom, Kyurem, Keldo, and Genesect.