This Halloween my son Peter went as a Threepeater
from the game Plants vs. Zombies
with a costume I made with my wife Terri. His pea shooters shot little green balls and he collected candy in a plantern
we made, with integrated light to see in the dark. I accompanied him as Crazy Dave.
(for completeness, our other son Alex was Thomas the Tank engine and our daughter was a pumpkin, though not of the Plants vs. Zombies variety).