John Wayne made not one, not two, but three Westerns with director Howard Hawks about a sheriff defending his office from outlaws.

Between 1959’s Rio Bravo and 1970’s Rio Lobo, the duo shot 1966’s El Dorado, which co-starred Robert Mitchum as the drunken lawman opposite Duke’s gunslinger.

Interestingly, Wayne had replaced Mitchum just a decade earlier in 1955’s Blood Alley after he was fired following a feud with the producers.

The two co-stars became good friends and their humour can…