Who is the biggest out of Lou Ferrigno or Arnold Schwarzenegger?

Lou Ferrigno is taller than Arnold Schwarzenegger, standing at about 6 feet 5 inches compared to Schwarzenegger's 6 feet 2 inches. In terms of sheer muscle mass, Ferrigno, known for his role as the Hulk, had a more massive physique during his bodybuilding days. However, Schwarzenegger is often regarded as one of the greatest bodybuilders in history, winning the Mr. Olympia title multiple times. Ultimately, "biggest" can refer to height, weight, or influence in bodybuilding, where both have made significant marks.