Xenomorph

A facehugger was a fictional alien lifeform which appeared in the horror movie simply titled Alien. Professor Albert Smithe noted a resemblance between the dream crabs' method of consuming their victims' brains, by latching onto their face, and the facehuggers. (TV: Last Christmas)

When Bernice Summerfield visited Ace in hospital, she thought that the respirator clung to her like a facehugger. (PROSE: The Left-Handed Hummingbird)