pro·te·an [proh-tee-uh n, proh-tee-]
adjective
1.
readily assuming different forms or characters; extremely variable.
2.
changeable in shape or form, as an amoeba.
3.
(of an actor or actress) versatile; able to play many kinds of roles.
4.
( initial capital letter ) of, pertaining to, or suggestive of Proteus.