Lu

Lu is an alien guard of the intergalactic communications center on Earth's Moon, who was saved by Ben when Simian tried to kill him.

He makes a cameo appearance in Ben 10 Ultimate Alien: Cosmic Destruction at the ending cutscene when Albedo is revealed to be Evil Way Big. Lu beats up Albedo with a wrench.

Ben 10: Alien Force

 * Birds of a Feather (first appearance)

Trivia

 * Lu slightly resembles an Incursean or one of Hobble's Species.