I'd been a fanatic of movies since I was a wee lad, so I got into the films before I got into the comics.
I'm a horror movie fanatic.
I am not a fanatic about anything. I do what I can do when I've got the time.
I found draft resistors very conscientious, reasonable, and not fanatics.
The only ones who make things change are fanatics. If you're not a fanatic around here, you can't cut it.