4. MERCURY

Externally,Mercury represents people that communicate a lot, are mediators, translators, messengers, or are involved in any form transfer or transmission of information. Mercury also signifies playful and funny people, people that joke or play with words, people that imitate others, adults that are child-like excited or curious.
Physically,, Mercury represents the parts of the body that are involved in internal and external communication: the nervous system (internal), the mouth, lips, and hands (external). Mercury also signifies the skin, as it functions as an exchange organ with the outside world.
Internally,Mercury represents the intellectual mind, logic, discrimination, ability to use language and symbols, communication skills, short term memory, adaptability, and a sense of humor.
Qualities signified by Mercury:are quick,adaptable,witty,funny,boyish.