Mr. White would be the protagonist because he is that main character of the story and some of his character traits are that he is a curious and malleable person throughout the story. Mr. White is a round and dynamic character, throughout the story he changes from being greedy most of the story but then when his son dies he tries to forgive his sins
Sargent Morris is the antagonist in the story because he opposes Mr. White when he tells him to throw his monkeys paw into the fire and tries to convince him to make a wish exactly how he wants Mr. White to.
"The old man smiled faintly, put out his hands like a sightless man, and dropped, a senseless heap, to the floor. In the huge new cemetery, some two miles distant, the old people buried their dead, and came back to a house steeped in shadow and silence." (51)
"The first man had his three wishes, yes, was the reply; I don't know what the first two were, but the third was for death. That's how I got the paw."(48)
"Hark at the wind, said Mr. White, who having seen a fatal mistake after it was too late, was amiably desirous of preventing his son from seeing it"(46)
In the story The Monkey's Paw the mood in the story is it is dark and ominous and has horror in the story. The author creates this mood by using deep imagery sections in the story and foreshadowing to create a suspenseful event in the future.