Aggregor

Agreggor is a villan in the new series: Ben 10: Ultimate Alien. Not much is known about him, and he appears in the episode "Fame". In a preview of Ben 10: Ultimate alien there is a villan who could be him with grayish skin, a staff, and could control rocks or landslides.

Appearance
Aggregor appears in the episode "Fame" of Ben 10: Ultimate Alien. He is either hunting Ben down, looking for the Ultimatrix, or searching for a poweful weapon, but the truth is unknown.

Abilities
It is unknown what Agreggor's abilities are, but in a preview a villan with greyish skin and a staff appears and that could be him. It suggests that he could be like Hex, only maybe more powerful and maybe, more aggressive, due to his name being Agreggor.