What is the true story behind Leo the lion?

Leo the Lion, also known as Leo the Lion of MGM, became a symbol of the film studio Metro-Goldwyn-Mayer (MGM). The original Leo was one of several lions used during the studio's early days, with the first being Slats in 1917. Leo was introduced in 1928 and became the most recognizable, featuring in the iconic MGM logo that roared at the beginning of many classic films. The lion's legacy continues as he represents Hollywood's golden age and the power of cinema.