Trying to decide a costume can actually be very stressful (as if you need to add to it) maybe these lists will help
Here are the top 5 costumes for men (pretty much all super hero hmmm)
5. Mario (awesome!)
2. Bane (from Batman)
1. Batman!! (Who doesn't want to be him??)
Top 5 costumes for women
5. Wonder Women
4. Greek Goddess
2. Disney Princess
1. Female Zombie hunter (really #1??)
This is according to myfashionten.com...not sure how accurate it is but now you have some ideas right?? But what if you want to go as a couple...well I have your top 3 couple costumes!
3. Ghostbusters (YES!!)
2. Han Solo/Princess Leia tied with Batman/Batgirl
1. Police officers/cop-prisoner combo
There ya go...what are you going as??