Starring Bill Skarsgård as the titular antagonist, and based on Stephen King's novel, this alien preys on the fears of others, especially children every 27 years in Derry, Maine. Skarsgård plays his role with such finesse that you can't ever forget Pennywise.
Sadako is the primary antagonist of Koji Suzuki's Ring novel series as well as the different film franchises. She is charactarised by her hair-covered face as well as her emotional backstory that doesn't reduce her scare factor at all!
The primary antagonist of the Hellraiser franchise, this horrifying Cenobite who was once a human is ruthless and looks the part, thanks to his bald head studded with nails. Doug Bradley played the role of the tittular character for a number of years.
The Creeper is an ancient demonic creature that feeds on humans for 23 days every 23rd spring. Anything that it eats becomes a part of it giving it its human-like features. What's worse is that the creature seems to be almost indestructible.
Demon nun Valak, played by Bonnie Aarons, is the frightening antagonist of the franchise who is said to be the embodiment of evil and will kill everyone in her path to get what she wants.
Starring Alicia Vela-Bailey as the manivolent spirit from Rebecca's past, the spirit haunts the shadows and is a horrifying embodiment of all of our childhood nightmares!
One of the most well-known antagonists out there, this horrifying entity, born out of a curse that is created when a person dies with a powerful rage, is nightmare, including her mannerisms and her famous death rattle.
This horrifying demon, along with his dangerous followers, will possess their unsuspecting victims in the most covert way possible. Before long, your body is not your own anymore! Although we don't directly see him in the movie, his possession tactics are enough to scare anyone.
Deadites are undead parasitic demons who feed on the souls of humans and possess their bodies. They can possess any creature. of flesh, both dead and alive, and seem to have no goals other than tormenting and killing anything it touches.