Unexplained noises are best left unexplained.

“Suddenly the air got colder, and a black cloud appeared - the black cloud that …”

“He held the book up to his nose. It smelled like Old Spice talcum powder. Books…”

“He invented the Fuse Box Dwarf, a little man who popped out at you from behind …”

“Then there's no point in our being logical, is there?" said Jonathan..."What do…”