The Bogey Man [Buldermanden]

The first of Jesper W. Nielsen trilogy: Buldermanden, Lykkefanten and Ogginoggen. Ida and her little brother are visiting their strict grandmother who threatens them with the bogey man if they are not kind. When Ida's little brother gets a toy dog from her grandmother, Ida becomes jealous and lures the brother to show the dog for the bogey man.