How are the three characters motivated in "Hunters in the Snow?"
All three characters share common motivations. All three are insecure: Tub is fat and self-conscious; Kenny relies on the validation of others; Frank knows that he is committing a sin and feels guilty. All three are liars: Tub lies about his overeating, claiming a glandular condition; Frank lies about his adultery; Kenny lies about his motivation for killing the dog. All three are abusive: Tub becomes abusive after he is insulted one time too many; Frank goes along with Kenny's abuse of Tub, not caring that it is genuinely hurtful.
"If you want to piss and moan all day you might as well go home and bitch at your kids. Take your pick." When Tub didn't say anything he turned to the driver. "Okay, Kenny, let's hit the road."
(Wolff, "Hunters in the Snow," classicshorts.com)
Obviously, all three want to bag a good deer; that is their larger motivation for hunting. They also all want the approval of others; Kenny and Frank want each other's approval, and Tub wants approval from both, but cannot get it. In the end, all their motivations are selfish and cruel, and they have few -- if any -- redeeming factors.