In order to answer that question we have to go back to the origins of Christmas. The tradition of Santa Claus entering homes through the chimney is shared by many Europeans that celebrate Christmas. In pre-Christian Norse tradition, Odin would often enter through chimneys and smoke holes or fire holes on the solstice, which marks the beginning of winter. Italians have a similar tradition, in which an old woman or Befana delivers gifts to children throughout Italy on Epiphany Eve or the night of January 5. The Befana or gift-giving witch is covered with soot from her trips down the chimneys of children's homes.