Eradicus is the Griffin leader of the Eradicorp company and the main antagonist of the second season of Yin Yang Yo!. The original Nightmaster and destroyer of the martial art style "Woo Foo", he was later revived after his demonic minions tricked Yang into stealing several items of power and placing them in the fireplace of the Nightmaster. He was first used as a transformation for Queen Narissa in the second round of Disney vs Non-Disney Villains, as well as a minor role in the third part of Disney Villains War.