how well do you no american dad and family guy

how much do you no about american dad and family guy?

1 who killed stewie in the first episode of the 7th season
2 wht colour is steve smiths hair?
3 were does stan smith work?
4 is peter griffen retarted?
5 who is the alien in stan smiths atic
6 wht does hayle smith like
7 who would kill who stan louise or stewie?