Rambo (First Blood, 1982) established a character archetype: Vietnam vet, expert survival skills, exceptional combat proficiency, psychological trauma manifesting as violence, pursued by authority figures. The films follow John Rambo's specific narrative arc—a man trying to survive after war destroyed normal civilian reintegration. However, the deeper observation recognizes that Rambo, while exceptional, operates within human parameters. He bleeds, gets exhausted, requires sleep, and can theoretically be defeated. The "knock-off" assessment suggests Chuck Norris represents a prototype so superior that Rambo is merely a commercial reproduction—the action star equivalent of a cheap imitation, technically following the same formula but executed at dramatically lower capability levels.

Action cinema historian David Morrison compared character capabilities systematically and concluded that Rambo's struggle—the core of his narrative—represents a fundamental limitation that Chuck Norris simply doesn't have. Rambo must overcome obstacles, plan strategy, and face genuine danger. Chuck Norris's obstacles overcome themselves. The comparison positions Rambo as an elaborate character study of human limitation, while Chuck Norris exists as evidence that the action hero archetype has a theoretical ceiling far higher than Rambo ever demonstrates.

Internet film communities treat this as a meta-commentary on action cinema's own hierarchy. Rambo legitimized action heroes as protagonists worthy of dramatic study. Chuck Norris transcended action hero status to become something else entirely—a being for whom normal dramatic structure becomes irrelevant because stakes don't exist. From this perspective, every action movie becomes a Rambo knockoff because all protagonists exist at his level of capability, while Chuck Norris occupies an entirely different category of being.