Hogswatch

Hogswatch is the equivalent of Christmas. On this night of the year the Hogfather travels around the world bringing presents to good children.

Teeth

Having a tooth enables a person to have control over that person. Mr. Teatime finds his way to the Tooth Fairy's castle and takes over the teeth so he can make children stop believing in the Hogfather. Susan has visions of teeth throughout the story although she doesn't realize what it means.

Hex

Hex is the thinking machine that was created at the Unseen University by the wizards that live there. Hex is able to calculate anything. Hex reaffirms that the sun won't come up if the world stops believing in the Hogfather.

Raven

The Raven in the story can talk and relays to Susan that her grandfather, Death, may have gone insane and is dressed as the Hogfather.

Death of Rats

The...