Which MGM lion, used in the studio's famous roaring logo from 1957-1982, holds the record for the longest-serving lion in the company's history?

Behind every iconic film studio lies a visual identity that has often evolved over decades. These logos not only serve as corporate branding but have become cultural touchstones in their own right, eliciting emotional responses from audiences worldwide. Metro-Goldwyn-Mayer's famous lion logo has a particularly fascinating history that spans nearly a century of filmmaking. Test your knowledge of this legendary studio emblem!

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Leo, the fifth lion (1957-1982)
Jackie, the second lion (1928-1956)
Tanner, the seventh lion (1983-2001)
Slats, the original silent lion (1917-1928)