Well, 'Malice's Dominion' could be a menacing name for a story. The word'malice' implies ill - will and the 'dominion' part gives the sense of a powerful and menacing rule. 'The Venomous Veil' is also a great option. The word'venomous' is associated with poison and danger, and the'veil' adds an element of mystery and threat. And 'The Gloom's Embrace' sounds menacing as it gives the idea of being surrounded by a gloomy and menacing force.
Ravens' appearance can be quite menacing. Their black feathers give them a rather dark and mysterious look. Also, their sharp beaks and claws look like they could cause harm. In a scary story, when they caw, it can be a very eerie sound that sets an unsettling mood.
There's no way to really tell if it's common specifically for someone named Jojo. However, in general, reading fanfiction is a popular activity among fans of many different franchises. The Jojo series has a large and dedicated fan base, so it's likely that there are fans named Jojo who partake in reading fanfiction, but we can't say for sure how common it is without more data.
You can start by thinking about words related to danger, like 'threat', 'peril' or 'hazard'. Then combine them with strong nouns. For example, 'The Threat of the Abandoned Tower'. Or use words that have a negative connotation such as 'evil', 'dark' or 'cursed'. So you could have 'The Cursed Woods'. Another way is to think about something that scares people, like spiders or ghosts, and incorporate that into the name like 'The Spider's Lair'.
Perhaps this Jojo is interested in exploring different interpretations and stories within the Jojo universe that fans have come up with. Fanfiction often takes the existing characters, settings, etc. from the original Jojo series and creates new and unique storylines. So, this Jojo might be a big fan of the series and wants to see what other fans have imagined.
To make Sleeping Beauty more menacing in a horror story, we could change her backstory. Maybe she was always a bit of a dark soul, and the sleep was a way for her to gain more power. When she wakes up, she has a new, malevolent personality. She could use her charm, which was once a symbol of her innocence, to deceive and destroy those around her. Her voice could be a weapon, whispering dark secrets that drive people insane.
Pennywise is menacing because it targets the most vulnerable, children. It lurks in the sewers of Derry, a place full of secrets. It knows every fear of every child in town and uses that knowledge to terrify and devour them. Its ability to transform into the worst nightmares is what makes it so terrifyingly menacing.
Strangers in scary stories can be menacing because they are unknown. We don't know their intentions, which creates fear. For example, in a story where a stranger follows someone at night, the person being followed doesn't know if the stranger wants to harm them, rob them or something else.