Description from original post
(created 2015-10-13 21:32):
Beware the Candy Thief,
Mysterious as can be,
he appears only on Halloween Eve,
and as you are trick or treating,
remember thee,
the Candy Thief,
behind you he will be.
He steals your candy,
and flees into the night,
his identity unknown,
he inflicts lots of fright.
Do not mess with him,
he will not mess with you,
the Candy Thief is never through.
This, my friends, is an anonymous person who wanders the neighborhood on Halloween Eve, in his costume, wearing a blue helmet so his identity remains unknown. He doesn't knock and doors on and says "trick or treat!" No, no. He stalks an unsuspecting trick-or-treater, and when they walk into a dark zone, covered by shadows, this weird robber in a Halloween costume strikes his unsuspecting victim. He steals their candy, and makes a run for it.
Nobody knows his true identity, and no one ever sees him on any other day of the year other than Halloween Eve.
In other words, this skin relates to the contest theme, as it is a person who hides in his costume to remain anonymous on Halloween Eve and steals other trick-or-treater's candy!