Tabuu

Tabuu is the main villain of Crossover Season One Revenge of Tabuu.

Role In Crossover Season One Revenge of Tabuu
In the first season, Tabuu is the main villain, leading a large group of villains, as well as an army of Primids. On the first episode, Crossover Avengers Assemble!, Tabuu leads his villains from Subspace via a computer to attack Crossover City in a small Subspace Gunship. The Crossover Avengers stop the attack, and launch their own on the ship, eventually managing to destroy it.