Dwarfs in Terry Pratchett's Discworld novels are similar to the Dwarves of J. R. R. Tolkien's Middle-earth, which they largely started out as a homage to, and dwarfs/dwarves in other fantasy novels.
(midgets): they are common to circuses in the world. These 'little people' are represented in all the genres of circus art; they often perform in separated circus programs.