William the Kid is the main antagonist of the first Spy Fox game, Dry Cereal. He is the CEO of the N.O.G. (Nectar of the Goats). He intends to eliminate the world of cow's milk and have it replaced with that of goats using his Milky Weapon of Destruction. He has an assistant named Russian Blue. It is he who is behind the kidnapping of Howard Hugh Heifer Udderly III, the president and CEO of Amalgated Moo Juice, Inc. Later, at the end, he is put in jail by an ejection mechanism activated by Spy Fox.