Aries: Goes from house to house alone and takes more candy than they're allowed to.

Taurus: Has staked out the best houses with the most candy and ends up taking most of it. Eventually, little kids come and bombard them and steal their candy.

Gemini: Scares everyone by jumping out of a bush. 

Cancer: Does the normal, "Trick or Treat" deal and ding dong ditches people. Multiple Times. 

Leo: Will dress up even when they are like 16 and go because, hey! FREE CANDY, PPL!!!!!!

Virgo: Counts up their candy afterwards and dresses up in a new costume and trick or treats again. Heyyyyy... Why haven't I thought of that!!?

Libra: Is nice and gives most of their candy to the little kids, but secretly thinks to themselves, "Little devils they be..."

Sagittarius: Goes to all the halloween parties and comes back at 3 am, tired and having a sugar crash. 

Scorpio: Is the guy that you see in your backyard at night and you think it's a wild animal. Creepy as shit.

Capricorn: Bribes people to give them more candy. 

Aquarius: Just takes the bowl and empties it into their bag like it was normal.

Pisces: Stays at home and eats the candy they bought for the kids. When the trick or treaters come around and ask for candy, they say, "Well, too bad. We're out."