Eustace the Monk, AKA Eustace the Outlaw, AKA Eustace the Pirate, AKA Eustace the Mercenary, AKA Eustace the Admiral of the French Fleet, led a varied and exciting existence, hired as a pirate mercenary first by the English, then by the French.  Everything was great until the Battle of Sandwich, at which he lost his head.