For one scene in Fede Alvarez’s (@iamfedealvarez) Alien: Romulus, a Facehugger needed to swim through water, starting beneath the surface and emerging partway through a shot. Because puppeteers would cause ripples in the water, we created a speed-controlled, winch-operated Facehugger on a submerged track so that it could reveal itself at just the right moment. Our engineering team even devised a side-to-side motion from the base of the tail to the winch. The result was a terrifying creature that