There are lots of things that might look monstrous, but aren't necessarily monsters. However, any predatory creature can be dangerous, simply because of its capabilities.
https://paranormal-intersection.blogspot.com/2012/05/worms-eels-and-sea-snakes.html
The creature in the movie, Nope might be considered to be a monster. However, it's just another predatory form of life that might be from this world, or another.
Whether the ET Life Form (ETLF) in the movie The Thing appears as human, insect or animal, it is still of a monstrous and malevolent intent.
https://paranormal-intersection.blogspot.com/search?q=monsters
