It's an art of fiction never intended to be a resemblance of living but create an alternative reality parallel to our lives, helping us experience a sensation and entertainment of not existing events.
If the coincidental information about fictitious forms of work comes into mind, they never intended it to mention nor living nor dead from reality.
The copyright is solely of the author or is otherwise stated. With any misuse of the information and creative works, one will be liable for its actions.