The snake is one of the oldest symbols that appear repeatedly in the Bible and in the Egyptian iconography.
In China it is one of the astrological symbols and they believe that people born under the snake sign would lead charmed lives and would gain and inherit wealth.
The snake is also a symbol of the Underworld, or Underground while other communities represent the snake with wisdom and knowledge.
In Greek serpent was associated with the goddess of the moon and as a female it was believed to bring knowledge to mankind.
Other communities portrayed it as a goddess of mystery birth and death and in India cults worshipped this goddess because it represented fertility and prophecy.
In yogic terms the snake represents the Kundalini or life-force coiled at the base of our spine waiting to be awakened.