Some good names could be 'Damien'. It has an air of mystery and evil associated with it. Another one is 'Luna', which can be a bit deceiving as it sounds beautiful but can be used for a character with a dark side. Also, 'Victor' gives the impression of someone who might be involved in some unethical experiments, which is very fitting for a horror story.
Some classic names could be 'Damien' which has a devilish connotation. 'Luna' can be used as it gives an eerie, otherworldly feel. And 'Victor' which might remind people of Frankenstein's creator.
For a more psychological horror - inspired name, 'Norman' can be great. It makes people think of Norman Bates from 'Psycho'. 'Scarlett' can be used in a horror context too. It gives a sense of danger and passion, like a femme fatale in a horror - tinged story. 'Balthazar' has an old - fashioned and somewhat sinister feel to it.
One could be 'Damien'. It has an air of mystery and evil associated with it, like in 'The Omen'. Another good name is 'Lilith'. In many horror and dark mythologies, Lilith represents a powerful and often menacing female figure. 'Cain' is also a great choice as it brings to mind the first murderer in the Bible, which adds a sense of ancient and primal horror.
Ava. This name can be used to create a character who seems sweet and innocent at first but is actually involved in something much darker. In a horror story, Ava might be luring people into a trap set by a malevolent force.
Luna. It has an otherworldly feel, like she could be a character with a mysterious past in the horror story. Maybe she's a girl who can see ghosts and Luna gives that sense of a connection to the night and the unknown.
Ella. A simple name that can be made spooky. Ella could be a girl who is constantly followed by a malevolent shadow in the horror story. The name gives an impression of vulnerability, which is perfect for a horror character.
Ophelia. It has a tragic and ghostly connotation. In a horror context, Ophelia could be a girl who has been haunted by a family curse or is a victim of some dark magic, her name adding to the overall sense of doom and gloom in the story.
How about 'Ella Blackwood'? The name 'Ella' gives a sense of femininity and vulnerability, while 'Blackwood' has a spooky, dark forest kind of feel. Another could be 'Victor Grimshaw'. 'Victor' is a strong but can be a bit old - fashioned name, and 'Grimshaw' just sounds menacing. And 'Luna Shadows', 'Luna' is often associated with the moon which has a lot of horror connotations like werewolves, and 'Shadows' adds to the eerie atmosphere.
Damien. It has a very dark and menacing feel, often associated with the devil in some horror concepts. Another one could be Cain, as in the story of Cain and Abel, which has a sense of primal sin and violence. And then there's Lucifer, which is a very obvious choice for a horror - related name as it is directly related to the devil in many religious and horror stories.