I was recently lucky enough to work on the Creature Design for the new series, which is out already and I recommend checking it out if you can, called Cleverman made by Pukeko Pictures. I worked at WetaWorkshop along with Leri Greer who oversaw the
Conceptual art for the Deacon Alien by Ivan Manzella "Prometheus". Early designs had the Deacon with a ghostly white patina to their skin, a far cry from the original Giger designs with their inky black armor and far more biomechanical appearance.
swilliams090: Glen Keane’s concept art of... - worldofwonky