Proteus

n.	1.	(Class. Myth.) A sea god in the service of Neptune who assumed different shapes at will. Hence, one who easily changes his appearance or principles.
	2.	(Zool.) A genus of aquatic eel-shaped amphibians found in caves in Austria. They have permanent external gills as well as lungs. The eyes are small and the legs are weak.

Noun	1.	Proteus - (Greek mythology) a prophetic god who served Poseidon; was capable of changing his shape at will
	2.	Proteus - type genus of the Proteidae Synonyms: genus Proteus

PROTEUS - An extensible language, the core of PARSEC. ["The Design of a Minimal Expandable Computer Language", J.R. Bell, PhD Thesis, CS, Stanford University (Dec 1968)].

Greek deity, Greek mythology