[Maul gave a longer look at Vader, studying his profile carefully. He'd thought him just his master's little lapdog but perhaps there was more initiative beneath that armored surface than he'd initially thought.]

I am not certain. If he was, he must have killed him when I was still very young. I do recall meet a very old Muun that scared me even more than he did. The Dark Side swirled thickly around him. That might have been him.