How well do you know Phineas and Ferb?

This will really test your knowlwdge on phineas and ferb

1 Who is Phineas and Ferbs big sisters best friend
2 Who is Dr Doofinsmurfes other nemisses
3 What did Phineas and Ferbs Grandpa used to be called?
4 Who loves Phineas?
5 What is Dr Doofinsmurfs Nickname
6 What Countrie is Ferb from
7 What name is there mum when she was a rockstar and was she?