Not that it matters really, but if you have a game you shouldn't give out points for things outside of said game. MrSchpagge and someone else could answer all the questions correct and he would win based on something that didn't even happen as part of the game. *shrug*

Anyways, here are my answers.

(SPOILER)
1. Sephiroth
2. Vincent
3. R
4. His right
5. Wallace
6. I don't really know what you're asking here. The main story could be anywhere from 10-20 hours, 30+ if you do all of the side missions.
7. You're really rooting out the VII nerds here, huh? August something. The booklet has it in there iirc.
8. 20 minutes
9. ?
10. Tseng, Elena, Reno, Rude, Vincent, and Cissnei if Vincent doesn't count.
11. ?
12. The reporter?
13. Hellmasker
14. ?
15. Loz and Yazoo

20 point bonus:
Mog