Are there any magical beings associated with Christmas in denmark?

Yes, in Denmark, the most notable magical being associated with Christmas is the "Nisse," a gnome-like creature often depicted as a small, bearded man wearing a red hat. Nisser are believed to protect farms and bring good fortune, especially during the Christmas season. Families often set out a bowl of porridge for the Nisse to ensure their goodwill. Additionally, the concept of Santa Claus, or "Julemanden," has also been embraced in Danish Christmas traditions.