You might consider 'Caspian Crypt'. 'Caspian' has a somewhat mysterious sound, and 'Crypt' is a very spooky place. 'Persephone Phantom' is also a good name. 'Persephone' is a figure from Greek mythology associated with the underworld, and 'Phantom' makes it even more ghostly. And 'Silas Sinister' is a great choice. 'Silas' is a name that can seem a bit old - fashioned and menacing, and 'Sinister' really emphasizes the freaky nature of the character.
You could use names like 'Luna Darkwood', 'Morpheus Black', or 'Raven Nightshade'. These names have a spooky and mysterious feel to them, which would be great for a freaky story.
For a really freaky story, names like 'Mortimer' which has an old - fashioned and slightly creepy feel. 'Ophelia' can also work as it is often associated with madness in literature. And 'Vlad' which has associations with vampires and the Dracula legend.
How about 'The Mysterious Chronicles' or 'The Eccentric Escapades'? They both give a sense of something out of the ordinary and private.
You might consider 'Bleak' as a name. It gives a sense of desolation and something not quite right. Also, 'Hollow' could be a good name. It makes one think of emptiness and something that might be lurking within that hollowness, which is perfect for a freaky story. Another option could be 'Sable', which has a dark and somewhat mysterious quality.
Mystic Musings. This name gives an air of mystery and can be great for a private story where you might share some thoughts or experiences that are a bit out of the ordinary. It makes the readers curious about what's inside the story.
You could use names like 'The Mysterious Chapter', 'Secret Chronicles', or 'Hidden Tales'. These names give a sense of mystery and privacy which suits a private story well.
You might consider 'The Cursed Chronicles' or 'The Phantom Fables'. 'The Cursed Chronicles' gives the idea that there is something wrong or jinxed about the story, perhaps it involves bad luck or something that seems to be haunted. 'The Phantom Fables' has a more ethereal and ghostly feel, like the story is a fable told by a phantom. These names can make your private story stand out and give it an air of the unknown.
You could use 'The Forbidden Tale', 'The Mysterious Secret', or 'The Hidden Chronicles'.
The unknown elements. For example, in a story where there are strange noises in an old house but you don't know what's causing them. It creates a sense of fear because our minds start imagining all sorts of terrifying things, like ghosts or monsters.