An impossibility. He can’t exist, so in a way he doesn’t, and that’s exactly the way his creators need him to be.
Look for him in the book ON STARRY WINGS, due out in the next publishing year.
(As an author-aside, he was my first fully-developed original character. I’ve had him in my head for 30 years, and it’s a delight to finally be able to reveal him to the world.)