In the short story "Hunters in the Snow," who is the protagonist?

Tub is the protagonist. He is the first character
introduced, and the story is told from his perspective. He is not intended to be a hero
character, but simply the one whose perceptions color the story; he accepts Kenny's
abuse until the possibility of violence comes up, and then he defends himself from what
he considered a personal threat. Tub is not very sympathetic, especially when he reveals
that he deliberately overeats:

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"...I make a big deal about only having an
orange for breakfast and then scarf all the way to work. Oreos, Mars Bars, Twinkies.
Sugar Babies. Snickers." Tub glanced at Frank and looked quickly away.

(Wolff, "Hunters in the Snow,"
classicshorts.com)

In the
end, Tub bonds with Frank because of their shared secrets, and together they make an
unconscious decision to let Kenny die for his abuse. This shows the callous nature of
Tub's inner personality; he accepts Kenny's abuse as validation, but when he receives
validation from Frank, he stops caring if Kenny lives or dies.