Michael Burry of "The Big Short" fame.Astrid Stawiarz/Getty ImagesMichael Burry of "The Big Short" fame revealed an $8 million wager on gold this week.The renowned investor bought into a trust that owns physical gold bullion.John Paulson, who also called the mid-2000s housing crash, continues to bet big on gold.It turns out Michael Burry isn't only a metalhead when it comes to music.The investor of "The Big Short" fame purchased about 441,000 units of the Sprott Physical Gold Trust last quarter.