Eon (villain)

From Ben10versepedia

Eon is the principal villain of Ben 10: Race Against Time, played by Christien Anholt. He is the first alien the Plumbers ever caught, having come to Earth nearly two centuries earlier. He seeks to use a device called the Hands of Armageddon to open a temporal rift to his home dimension, bringing forth an invasion force that can conquer the planet.

Christien Anholt, in a behind-the-scenes video hosted on Cartoon Network's video service, says that parts of the character are inspired by Darth Vader, whom Anholt is a fan of.