While they are not explicitly named in the film, they are clearly referred to as such by the characters.
Here's a breakdown of their characteristics:
* Alien in origin: They are extraterrestrial beings that have crashed on Earth.
* Shapeshifting: They can change their forms, appearing as monstrous, tentacled beings or even taking on human appearances.
* Psychic abilities: They can manipulate the minds of humans, inducing hallucinations and nightmares.
* Parasitic nature: They can possess and control humans, using their bodies as hosts.
* Blood-based connection: Their presence seems to be linked to blood, and they are particularly drawn to it.
The movie's visuals and special effects show these creatures as horrifying and terrifying, reflecting their parasitic nature and psychic abilities.