Star Wars Episode XV - Ravages Of Time
Encountered in the past on Tattooine, Kueller claimed to of been trained by Luke Skywalker himself, but later turned to the dark ways of the force. He has exhibited skill in both the lightsaber and force powers: including fold space.
While injured in the battle on Tattooine, he made promises that he could never be killed for he served the god of droids. He later fled through time to escape the wrath of the group.