Toussaint-Eugène-Ernest Mocker (16 July 1811 – 3 October 1895) was a French opera singer and stage director. In his 30-year career as a principal singer at the
Théâtre Impérial de l'Opéra-Comique he created numerous roles in the company's world premieres and from 1860 served as a stage director there. In his later years he was a singing teacher at the
Conservatoire de Paris.[1][2][3][4][5]