AdorablyPrecocious Child: Junior is a little Cheerful Child that his overworked mother dotes on.
Antagonist Title: The Man from the Window is the monster Mama has to fend off to protect both her child and herself.
Big Beautiful Woman: Mama with Gag Boobs is very generously wellrounded, but even as huge as she is, she's no match for the titular villain.
Big Eater: If The Man finds the donuts, he'll immediately stop his search for Mama and Junior to eat them and takes only a minute to do so.
Chekhov's Gun: Mama Rabbit brings a few donuts from her workplace with her when she returns home. The donuts can be used to distract The Man. If the box is left open, The Man will stop searching and waste one minute eating all of the donuts.
Deadly Book: The Man from the Window summons the titular character when read, who will stop at nothing to find and take away his new "friend".