How well do you know Malcolm in the Middle?

That show Malcolm in the Middle? have u seen it?

1 who is the first born son
2 whos the baby born in season 4
3 according to some websites the famoly's last name is
4 malcolm is not really in the middle until season 4 but he is the
5 u can describe lois as
6 the theme song is sung by
7 malcolm is played by