The character arc of Peter Gordon

Peter's stiff, unnerving presence is telegraphed entirely through his costume and posture. He stomps through the dusty ranch in pristine white sneakers and overly neat, stiff denim, looking completely alien against the muddy backdrop. His walking posture is rigidly upright, mechanical, and totally unbothered by the mocking laughter of the ranch hands. This physical stiffness visually isolates him, marking him as a bizarre, clinical anomaly in a world built on loose, rugged swagger.

Peter's terrifying actions are driven by a ruthless commitment to the nuclear family unit. He serves his mother drinks and comforts her, ultimately deciding to eliminate the man who is destroying her sanity. He acts as the ultimate, lethal enforcer of domestic tranquility, willing to commit cold-blooded murder to ensure his mother's position in the household is secure. His violence is completely sanitized and hidden, perfectly preserving the polite, bourgeois facade of their newly acquired wealth.

Peter perfectly embodies the classic trickster, using his perceived weakness as the ultimate camouflage. He plays the wide-eyed innocent, eagerly asking Phil to teach him how to braid rope and ride a horse, all while meticulously plotting the man's gruesome death. He slips past the defenses of the hyper-masculine cowboys simply because they are too arrogant to view an effeminate boy as a legitimate threat, allowing him to dismantle their world from the inside.

Peter Gordon's character arc systematically deconstructs the archetypal 'tenderfoot' in the Western genre. Initially presented as an effeminate, weak Easterner unfit for the West, the film reveals his perceived weaknesses—intelligence, meticulousness, quiet observation—as his greatest strengths. This subverts Western mythology, where the intellectual 'sissy' ultimately triumphs over the hypermasculine cowboy, offering a revisionist take on heroism.