7. John Madden
John Madden went from being a respected head coach for the Oakland Raiders to turning himself into a respected brand. Some of his biggest accomplishments include leading the Raiders into a Super Bowl win in 1976, sitting as one of the NFL’s most recognized analysts for three decades, and becoming the 2006 inductee into the Pro Football Hall of Fame. Regardless of if you play video games or not, everyone is familiar with Madden NFL, the best-selling EA Sports title that has released 25 games since 1988. When it comes to personalities within the industry, Madden is usually the first dude that comes to mind.