Ohhh hey, some art I didn't get totally fed up with doing after a while - well, no. That's a lie but hey, art!
So this is Zail, a Chimerian symbiote, having a chat with his host in the host's mind, where he can appear in any form he wishes. In reality he's actually very small, fat and minus a mouth: [link]
So he likes to make himself seem much much larger than he actually is, to intimidate the host. He may not look it, but he is actually technologically based and not organic.