Yes, many of them are really scary. The combination of the unknown facts and fictional elements creates a sense of unease. For example, some stories might be based on real - life mysteries and then add a spooky fictional twist to it, like stories about haunted places that are said to have some basis in historical events but with added horror elements to make them truly frightening.
One classic is 'It' by Stephen King. The clown Pennywise is a terrifying figure that preys on children in the town of Derry. Its shape - shifting abilities and the way it uses fear make it a very memorable and scary character in horror fiction.
One factor is the atmosphere. A dark, gloomy and tense atmosphere can immediately put the reader on edge. For example, in 'The Tell - Tale Heart', Poe uses descriptions of the old man's room at night and the slow, stealthy movements of the narrator to create a sense of dread. Another is the element of the unknown. When the reader doesn't know what's going to happen next or what the true nature of the horror is, it's much scarier. Like in 'The Call of Cthulhu', the vast and incomprehensible nature of the cosmic horror is what makes it so effective.
Scary clown stories often play on our fear of the unknown. Clowns have painted faces, so it's hard to tell what they're really thinking or feeling. In fiction, this is exaggerated. For example, in 'It', Pennywise can be anything it wants, which makes it an unpredictable and terrifying threat.
Voldemort from 'Harry Potter' is a very scary name. Just the mention of it sends shivers down the spines of the characters in the story. He is the main antagonist, a powerful and evil wizard.
Another great one is 'Dracula' by Bram Stoker. This classic novel introduced the world to the iconic vampire, Count Dracula, and his terrifying reign of horror. The way Stoker builds suspense and the dark, gothic atmosphere makes it a top pick in scary fiction.
Well, for Voldemort, it's the combination of the 'vol' part which can be associated with evil or devouring, and'mort' which means death. So the name itself implies a being related to death and destruction, which is very scary in the context of the 'Harry Potter' world where he is the greatest threat.
Some of the best scary fiction books include 'It' by Stephen King. This novel features a shape - shifting entity that preys on children in a small town. It's a long and detailed story filled with scares. 'Rosemary's Baby' by Ira Levin is really good too. It's about a woman who suspects that her unborn baby is part of a satanic plot. And then there's 'The Silence of the Lambs' by Thomas Harris. The character of Hannibal Lecter is truly terrifying.