Guy Chauvelin was a Frenchman mentioned in Doc Savage: His Apocalyptic Life by Philip José Farmer. Guy was the brother of Armand Chauvelin and father of Jeanne Chauvelin.

As described in both Doc Savage: His Apocalyptic Life and Tarzan Alive, the Chauvelins tended to intermarry. Doc Savage is a descendant of both brothers, and the strange appearance of his eyes is partly inherited from the yellow eyes of the Chauvelins.

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