Krampus
Krampus is a Southern Germanic/Austrian myth about a demonic companion of Saint Nicholas, that takes part with Saint Nicholas during the Christmas Season to punish naughty and wicked children in contrast to Saint Nicholas rewarding good and well behaved children with toys and other gifts.
Like most things that require reading, an interest in foreign cultures or anything that exists outside their cultural comfort zone, most Americunts had no idea that the Krampus even existed until