The Annihilator

The Annihilator is a main villain in the series, Mighty Medand the nemesis of Skylar Storm and Hapax the Elder. He was the villain who caused Skylar to lose her powers and turn her evil. He serves as one of the two main antagonists in Season 2, replacing Wallace and Clyde. After his death, Mr. Terror became the second main antagonist in the second season.