Calamity Ganon

Calamity Ganon is the bad guy in breath of the wild. He created the Blight Ganon's to kill the Champions and courrped the divine beasts and guardians.

Ganon has been the main bad guy for almost the whole zelda sereise.

Calamity Ganon created Waterblight Ganon, Windblight Ganon, Fireblight Ganon, and Thunderblight Ganon to kill the Champions. They were able to beat our hero's, and thus the Revive the Champions Campaign was established