Jeff the Killer is definitely one of the scariest. His appearance alone is enough to send shivers down your spine. With his pale skin, black hair, and that terrifying, carved - in smile, he's a nightmare come to life.
One really terrifying story from 'creepypasta true scary stories' is about the 'Smile Dog'. It's said that once you see the picture of this dog with a really creepy, wide smile, it will haunt you. People who've seen it reported having nightmares and a feeling of being constantly watched.
The 'Jeff the Killer' story is also quite well - known. Jeff was a normal boy until something made him go insane. He carved a smile into his face and started killing people at night. There are accounts that claim to be real experiences of encountering someone like Jeff in the dead of night, with his white, featureless face and that creepy smile.
They often lack the typical horror elements like excessive gore or sudden jump scares. For example, they might focus on mystery or a unique concept that is more thought - provoking than terrifying.
One of the best is 'The Werewolf of Fever Swamp'. It's about a boy who moves to a new town near a swamp. Strange things start to happen, like animals being found torn apart. He soon discovers a werewolf is lurking in the swamp. The descriptions of the werewolf are really creepy, with its glowing eyes and the howls that echo through the night.
The unknown. In these stories, there are often elements that are not fully explained. For example, in 'The Slenderman', his origin and true nature are left ambiguous. This makes our minds fill in the blanks with the most terrifying possibilities.