Well, Shailene Woodley can be a big story in certain circles. If she's got a major movie or TV role, or is involved in some significant event, she gets a lot of attention.
Well, not being a Woodley Harry Potter fanfiction means staying away from simply rehashing familiar plots or borrowing too many established traits. Instead, come up with unique magical concepts and character developments.
Theo Galavan is actually an original character created specifically for the TV show and doesn't exist in the comics. The show's creators came up with him to add a unique element to the story.
It depends on how you define 'real'. Some of his stories might be based on real experiences, but they could also have elements of exaggeration or fictionalization for entertainment purposes.
It's hard to say for sure. Some of his stories might be based on real experiences, but others could be embellished or completely fictional for entertainment purposes.
To be honest, I don't know. You'd have to do some research or check with the filmmakers to get a definite answer about whether it's truly based on a real story.