Tarrare was an 18th-century French noted for his unusual eating habits

Tarrare, was an 18th-century French showman and soldier, noted for his unusual eating habits.
He became the subject of medical experiments to test his eating capacity, in which, among other things, he ate a meal intended for 15 people in a single sitting, ate live cats, snakes, lizards, and puppies, and swallowed a large eel alive without chewing.