Definitely not. Paranorman is a work of fiction. It's a product of creative minds coming up with a unique and imaginative tale, not drawn from any true events or people.
There's no way to be certain who Courtney is in this 'courtney sex story' without further details. It could be an ordinary person whose personal experience has been turned into a story, or perhaps a character created for a specific narrative purpose. Maybe it's a name from a community - specific story that only a few people are familiar with.
One common theme could be the exploration of unrequited love, just like in many other fanfic. The characters in 'Paranorman' might be put in situations where they have feelings for someone but are afraid to express them due to the nature of their relationship or the circumstances around them.
Maybe a powerful demon that has been lurking in the shadows of both universes. This demon is attracted by the unique magic in both Coraline's and Norman's worlds. It starts to possess the people and creatures in both places, and Coraline and Norman must find a way to exorcise it. The demon could be very cunning, disguising itself as friendly beings at first.
The protagonist from Pokemon Ruby would be a great character to pair with Courtney. They could have different goals at first but then find common ground in protecting the Pokemon world. Another good character to pair with her could be a wise old Pokemon trainer who has a lot of knowledge about the Ruby region and can offer her valuable advice. Also, a young and enthusiastic Pokemon ranger could be paired with Courtney. Their different personalities could create interesting interactions as they work together on various Pokemon - related tasks.
I'm sorry, I'm not aware of specific 'Paranorman' gay fanfic to recommend. You could try searching on some popular fanfic websites like Archive of Our Own, where there might be some works related to it.
A plot could involve Coraline getting lost in Norman's town and Norman has to help her find her way back home. Along the way, they discover that there are some common elements in the spooky things happening in both their places. For example, the same kind of magic or curse is at work, and they use their unique skills to figure it out. Norman with his ability to see ghosts and Coraline with her courage and inquisitive nature.
There are many novels with the name Courtney in them, so it's difficult to determine a single author for 'Courtney Novels'. It could be that different Courtney Novels are written by different authors. Some might be self - published works, which can make it even harder to track down the author. You could try searching for the title along with the name Courtney in online bookstores to see if any author names come up.
The story of Courtney Love involves her rise in the music industry, her personal struggles, and her public image. She's been in the spotlight for various reasons, both good and bad.
One idea could be that Norman and Aggie team up to solve a new mystery in Blithe Hollow. Maybe there are strange disappearances that only their combined abilities can figure out. Another plot could be Aggie wants to experience modern life and Norman has to show her around, leading to some comical and heartwarming situations. And they could also face a new supernatural threat that is more powerful than the ones they've encountered before, forcing them to rely on each other more than ever.