Who is the god of snake?

Who is the god of snake? Manasa, goddess of snakes, worshipped mainly in Bengal and other parts of northeastern India, chiefly for the prevention and cure of snakebite and also for fertility and general prosperity.

Manasa, goddess of snakes, worshipped mainly in Bengal and other parts of northeastern India, chiefly for the prevention and cure of snakebite and also for fertility and general prosperity.