The Icelandic Yuletide Calendar and the Icelandic Yuletide Lads. Also their parents, the trolls Gr la and Leppal i, but they snatched children and ate them. They are all a part of Icelandic tradition.
Nobody knows exactly how they came into being.
On the night of the 12th of December all Icelandic children, who belives in Santa Clause, puts their shoes out in the window because this is the night when the first lad comes from their mountain dwelling. Then the Yulelads come one by one each night. The first to arrive is Sheep-Cot Clod and he leaves again on Christmas day. The last one is Candle Begger and he arrives on Christmas Eve and goes back to the mountains on the 6th of January, the thirteenth Day of Christmas. The Icelandic Yuletide calendar Recounting the adventures of the 13 Icelandic Yuletids Lads.