He is the leader of the clerics of Zagyg that live in the Tower of Magic's surface level. He has sealed the lower levels with _miracle_ to prevent any without Zagyg's Key from entering.

He is the taxidermist at the Lore of the Lake

Owner of Hauld's Apothecary

Iggwilv is the mother of Iuz and was once one of the most terrible wizards in Oerth.

"Lord" of eleven Rhennee barges and their crews

He is one of the most powerful wizards on Oerth and has appointed the PCs to find the Orb of Opposition in the dungeons of Castle Greyhawk.

A charming cleric of Boccob

Cleric of Iuz charged with guarding the staircase to the Underdark

He's an ugly half-orc merc with an attitude.

Vayne is the leader of Iuz's forces beneath the ruins of Castle Greyhawk

He is one the the bargefolk that frequent the Low Seas Tavern.