I saw a stick figure costume over at All For the Boys (go check it out!) and my wheels got to turning - that would make the perfect FAMILY costume set.
As I've mentioned before, I'm weak for a family-themed costume set. But my kiddos aren't so keen on it. BUT, the past few years we've compromised - they get to be what they want for Halloween (see this year's costume choices here) and then they'll play along and get into the family-themed bit with our Halloween Party at church. So, in thinking of a good family-themed costume, it has to be something quick and easy, because it's not their "main" costume and I don't want to put too much effort into it...
Last year we whipped together a family biker gang costume:
The year before was more effort, and we went as a family costumes of Angry Birds:
Then draw out a face on your paper plate. The trick with the girl version is trying to leave space to add hair. (Did I tell you that Trevor broke his arm? Playing flag football - it required surgery to put a screw in to hold it back together - crazy!)
I just taped it on for pictures, but I plan on cutting eye holes and using a tie attached to the plate to tie it around the back of my head.
Ghost Costume and the ever-popular Upside-Down Man: