HAU-4335 "Comet" is an original robotic character that is fully modeled, textured, rigged, and rendered by me. He was created from a Dungeons and Dragons character concept that I thought of.
Credits for the environment models in the first render:
Tree by Marc Solà [CC-BY] via Poly Pizza
Rock by Danni Bittman [CC-BY] via Poly Pizza
Sparrow by Poly by Google [CC-BY] via Poly Pizza