Which'a these Pokes are you talkin' 'bout? All I see in A-rank is Pringlecent.
Sableye and Sharpedo are middle B tier, which is pretty damn high for a Pokemon in general. Hydreigon, Reuniclus, and Rotom-W are high too.
Houndoom and Spiritomb aren't even on the list. Heh, suck it J.