Plenty of Stephen King movies change various things from the books they're based on, including The Shining, The Dark Tower, ...

The Lord of the Rings character Figwit was made from a fan's comment, and the fandom completely ran with the concept.

Eric Kripke discusses the conflicts that defined the show and how he decided who to kill in the series finale.

The season 6 installment saw the return of Victor French as Mr. Edwards, but he was wounded in an episode that saw him go to ...