Little people

Little people were a species of humanoid creatures around 2 inches in height. In 1 September, 1993, little people played the organ by jumping on the keyboard during the Frog Choir's performance of Something Wicked This Way Comes.

Behind the scenes

 * This magical creatures were on the original draft of the film adaptation of Harry Potter and the Prisoner of Azkaban. They were storyboarded, but were later vetoed by J. K. Rowling, by saying "No, those little people, they don't exist in this universe. So no."