It’s a different kettle of fish altogether.
He had bigger fish to fry
Because he was a little fishy!
When they answered the door to give him candy, I had him say "MERRY CHRISTMAS!" or "HAPPY NEW YEAR!" and "I'm allergic to candy, do you have any sardines?"
He also stood facing away from the door for some.
He got a lot of laughs, a door slammed in his face and an offer for spicy mustard sardines.
Video: Halloween dad joke: http://youtu.be/Mp3IBlZnfFw (Forgive the vertical. I was trying to be discrete so not to contaminate the proceedings.)