John was named one of top five "Bad Boys Of The NFL" by Sports Illustrated on January 14, 2005.
John weighed 308 pounds when he competed in the World's Strongest Man Competition in 1978.
John's make-up for his role as "Sloth" in The Goonies (1985) took 5 hours a day to apply. He wore a robotic eye that was controlled off-screen by remote control.
John was 6 feet 8 inches tall.