Little humans in scale
By increasing height, some fairies and other miniature humans that have been featured in movies.
1 inch - Minimoys (Arthur and the Invisibles)
2 inches - Leaf Men (Epic)
3 inches - Ferngully fairy
4 inches - Borrowers
5.5 inches - Tinkerbell
< 6 inches - Lilliputians (book)
7 inches - Tooth Fairies (Don't Be Afraid of the Dark)
9 inches - Brownies (Spiderwick Chronicles)