Burman (left) and key prosthetic make-up artist Stevie Bettles (right) begin the three-hour process of transforming actor Caine Sinclair by layering on silicon prosthetics. Burman and his team decided the Nuckelavee would have hairless, translucent-looking skin, which means they can’t paint over the prosthetic pieces — instead they used different colors of silicon during the casting process, injecting them with tinted silicon to create the appearance of veins.