TELL US: What's one Halloween costume you'll never forget?

The tradition of dressing up in costumes for Halloween dates back to an ancient Celtic festival where the Celts wore animal heads and skins. When Halloween made its way to America in the 1800s, people took after this tradition and began dressing in costumes and going house to house asking for candy, according to the History Channel.

No matter how far back your own history with Halloween goes, we want to know:

What personal Halloween costume will you never forget?

Share your childhood -- or adult -- Halloween stories with our readers.