The Harry Potter film seires is without a doubt one of the most famous film series in the world so much so that a new book has just came out which has some original concept art for the creatures featured in the films. The Book called Harry Potter: The Creature Vault by author Jody Revenson who seems to be fan is a book all fans of the boy wizard's story should read well now that concept art has found it's way online.
Peter Pettigrew
Merpeople
Aragog
Buckbeak
Fenrir Greyback
Grindylow
Hungarian Horntail
Kreature
Nagini
Arnold the Pygmy Puff
Dementors
Thestral