12 slots to use to create a poll no more...and as Tharizdun himself is not the threat so much as his cult bringing him back he got the boot. However, that is why the Other area is there as well. Other honorable mentions that didnt make it in...
-King Snurre and the giants -Ecalvdra and the drow -Evard the Black - Various evil cleric groups of the deities (Erythnul, Nerull, Hextor, etc...) -death knights ( -The Black One? and the list can go on and on...