Rex Robert Brown (born July 27, 1964 in Graham, Texas) is an American heavy metal bassist. A former member of Down, he is most famous as the longtime bassist for the Grammy-nominated, platinum-selling band Pantera. Rex joined Pantera in 1982 with his classmate from the high school jazz band drummer Vinnie Paul, guitarist Dimebag Darrell (then known as Diamond Darrell), and vocalist Terry...