Georgie is likely the central character in this fanfiction. Without more details from the specific story, it's difficult to say exactly who they are. They could be an original character created for the fanfiction or a re - imagined version of a character from an existing franchise.
There is a fanfiction called 'Bill Denbrough: The Poet's Soul'. It shows Bill's creative side, how his writing is not just a hobby but a way to deal with his traumas. It has beautiful descriptions of his thought process. And 'Bill Denbrough's Redemption Arc' is also a great read. It's about Bill making amends for past mistakes and growing as a person, which is really inspiring.
You can start by looking on Archive of Our Own (AO3). It has a large collection of fanfictions related to Bill Denbrough. Just use the search bar and type in his name. Another good place is FanFiction.net. There are some great stories there too, although you might have to sift through a bit more to find the really good ones.
For sharing fanart on deviantart, first, create high - quality art. Then, sign up for an account on deviantart. After that, find the 'Upload' button on the site. Fill in details like the title, description, and relevant tags. Make sure to credit any original sources if your fanart is based on something else.