The late Robert Duvall's most famous role was Stetson-wearing Lt. Col. Kilgore in Apocalypse Now, but Breaking Celebrity News can reveal the swaggering soldier was based in reality. Duvall drew on a real-life Vietnam officer when he created the napalm and Wagner-loving air cavalry officer.

When Francis Ford Coppola's Vietnam War epic was released in 1979, critics and fans quickly decided Duvall, who died February 15, aged 95, had delivered one of cinema's most memorable characters.