"I'll soon take off my funny disguise....And once you see what's underneath...you're going to wish you were dead!" And hello to you, too! The rather dire warning comes from "Mr. Babadook" through the agency of a very persistent children's book that bears name of the monster. Thus, The Babadook, writer and director Jennifer Kent's creepy and assured feature film debut. Is the Babadook real? Merely a projection, a top-hatted fiend from a children's book that sets off a couple of already febrile minds? Or perhaps...we have seen the monster and it is us? Ms. Kent demonstrates a very sure hand and supple knowledge of film history, the latter manifesting itself in the action of The Babadook, the film's set design and a particular channel to which the television of Amelia Vannick (Essie Davis) seems permanently tuned, showing everything from the fantastical early cinema of George Melies to the more colorful exploits of Ital...