Memoirs of Carwin, the Biloquist (1803–1805) is a fragment of story written by Charles Brockden Brown published over a period of two years. Memoirs of Carwin, the Biloquist follows the life of a young man by the name of Carwin as he realises his biloquial, ventriloquist, talents. Carwin develops this ability to perfection, being able to manipulate his own voice to sound like any person he wants. (Wikipedia)
Charles Brockden Brown (January 17, 1771 – February 22, 1810), an American novelist, historian, and editor of the Early National period, is generally regarded by scholars as the most ambitious and accomplished US novelist before James Fenimore Cooper. He is the most frequently studied and republished practitioner of the "early American novel," or the US novel between 1789 and roughly 1820. (Goodreads)