"..."Early on, Christians would dress up in costumes as
the devil, ghosts, goblins and witches precisely to make
the point that those things were defeated and
overthrown by the resurrected Jesus Christ," Cameron
continued. "The costumes poke fun at the fact that the
devil and other evils were publicly humiliated by Christ
at His resurrection. That's what the Scriptures say, that
He publicly humiliated the devil when He triumphed
over power and principality and put them under his
feet. Over time you get some pagans who want to go
this is our day, high holy day of Satanic church, that
this is all about death, but Christians have always..."
http://m.christianpost.com/news/kirk-cameron-on-halloween-christians-should-have-the-biggest-party-on-the-block--128345/