How well do you know phineas and ferb?

Its about phineas and ferb

1 what is jeremy's little sisters name?
2 Who is candaces boyfriend?
3 Who is the bully?
4 Who is the boy that always studies?
5 whats the name of the guy who gives perry missions
6 What is the number one song for phineas and ferb?
7 who are candaces 2 best friends?
8 What is the name of doofenshmirtz daughter