The Supervillain Union is the evil organization founded by the local villains of Sapphire Lake:
- the doom chef Dr. Oven,
- the amoral Scarlet A, and
- the floaty Chaotic Butterfly
Together, they operate as an evil team to vanquish all foes:
- the hero Some Guy,
- the rival union Diamond, consisting of Di-Va, Hench Man, and Le Chat Noir, and
- the Emerald union Beta, consisting solely of Mylytant Femynyst