[2] In 1857 he was taken on by Hervé at his Folies-Nouvelles, and continued when the theatre became the Théâtre Déjazet (after its joint manager Virginie Déjazet), only moving on, after fifty or so creations, to the Théâtre des Variétés; he made his debut there on 18 May 1861 in Le Sylphe, a vaudeville by Edmond Rochefort, Charles Varin and Desvergers.
Dupuis was chosen by Offenbach for Paris in La Belle Hélène, and alongside Hortense Schneider, he went on to feature in principal roles in the premieres of some of Offenbach’s most famous works: Barbe-Bleue (title role),[3] La Grande-Duchesse de Gérolstein (Fritz), La Périchole (Piquillo), Le pont des soupirs (1868), Les Brigands (Falsacappa), Les braconniers (1873), La Boulangère a des écus (1875) and Le docteur Ox (1877).
He appeared as Fritz and Paris until into his fifties, but in his late career also acted in theatre works, especially those of Meilhac and Halévy such as Les Moulins à vent, Les Sonnettes, La Petite Marquise, L'Ingénue, Le Passage de Vénus, La Cigale, Brigitte ou la Petite mère, Décoré!.
He was twice married, first to Mlle Dantès of the Cirque-Impérial, then to Marie Dubois of the Variétés.
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