Aggregor is the main antagonist of the first half Ben 10: Ultimate Alien. He is an alien warlord looking for five different types of aliens to become increasingly powerful in order to get the Map of Infinity and allowing him to enter the Forge of Creation so he can absorb the powers of a Baby Celestialsapien and use it to rule the world.
The Aggregor race is the same as Kevin Levin, and they are both humans called Osmosians, and their powers are based on matter absorption and energy manipulation. And Aggregor is known for his high intelligence, and showing how he managed to manipulate the heroes to achieve his goals. Aggregor used his powers to activate a time transporter to absorb his captor's powers and he succeded. He is also like Vilgax since he uses droid minions to do the dirty work.
Ben 10: Ultimate Alien
Later when Aggregor kidnapped the alien Bivalvin, Galapagus, P'andor, Andreas and Ra'ad, he held them captive and led them to Los Soledad, absorbing their powers and ignoring Kevin Levin's warnings. He only absorbed them to become the Ultimate Aggregor. He also wanted to find a place known as Forge of Creation. He finally made it to Map of Infinity and escaped all the traps until he reached Forge of Creation, he meets Ben, Kevin and Gwen and fights them. He then tries to absorbed his powers and made him unconscious, he is later possibly arrested.
Ben 10: Omniverse
Aggregor did not appear in Ben 10: Omniverse but he was mentioned.
Aggregor is an human with four head horns with long black hair. He is a tall man with blue pants, brown black boots and a black belt.
In his aliens he merged his appearance with the aliens he absorbed and thus became more powerful.
Powers and Abilities
- Aggregor has electrokinesis, and can absorbs both energy both energy, matter and life. He can fly and has superhuman strenght, and can control the elements of water and wind, and have telepathy. He also has immunity to heat and cold.
Aggregor is arrogant, violent and manipulative, Aggregor is also sadistic, insensitive, ruthless and a selfish sociopath who didn't mind destroying innocent lives just to fulfill his form of power and for this he had to kidnap the aliens to absorb their powers. He is also cruel and will do anything to achieve his goals even if it means betraying, manipulating and killing to get what he wants. He despite his cunning and cruel nature, he is a coward who has tried to absorb the powers of a Baby Celestialsapiens.
- Aggregor could be compared to Kevin Levin's evil version, as Kevin redeemed himself from his actions, and Aggregor again not redeeming qualities.