Sadistic Virusoid Yendotaiya

ORIGIN:
A civilisation has been reduced to ruins and barbarism and the remaining factions compete for precious resources. After many bloody battles, there are only two survivors left, one from each main faction. These two fight viciously, and the monster Yendotaiya appears from their rage. It has waited since the very dawn of this civilisation, for this very moment, to see the final battle, and gain incredible pleasure from the moment.

ABILITIES:
Double Smashers: two 'heads' can 'split' victim into two copies of self, and then bash the copies together
Rage Gas: mouth spews gas that enrages victims
Spiral Form: stretches self into giant spiral