Charles Brockden Brown 
Memoirs of Carwin the Biloquist (A Fragment) 

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)