What is aggregor?

Aggregor is a fictional character in the Ben 10 franchise, first appearing in the show "Ben 10: Ultimate Alien" as the primary antagonist in season 1. Aggregor is a villainous alien who seeks to become the most powerful being in the universe by absorbing the powers of five aliens known as the Andromeda Five: Bivalvan, Galapagus, P'andor, Andreas, and Ra'ad.

Aggregor is shown to be highly intelligent and cunning, using his wits to outsmart his opponents. He is also incredibly strong and has the ability to absorb energy and powers from other beings, making him an extremely formidable opponent. Despite his immense power, Aggregor is often driven by his own desires to gain more power and control, leading him to make rash and dangerous decisions.

Overall, Aggregor is a complex and dynamic character in the Ben 10 universe, serving as an iconic and memorable villain in the franchise.