Inside a Fatburger location in Van Nuys Lovie Yancey, who launched what eventually became the popular Fatburger chain of burger-and-fries joints, died January 26th of pneumonia here in Los Angeles. Initially called Mr. Fatburger, the fast-food restaurant first opened in 1947. Hoping to capitalize on the burger trend that was becoming increasingly popular, Yancey dropped the "Mr." in 1952 and by 1981 was offering franchises of what was now known as "The Last Great......