What's more, she herself was-or thought of herself as-a media polymorph.
British Dictionary definitions for polymorph
a species of animal or plant that exhibits polymorphism
any of the crystalline forms of a chemical compound that exhibits polymorphism
Also called polymorphonuclear leucocyte. any of a group of white blood cells that have lobed nuclei and granular cytoplasm and function as phagocytes; they include neutrophils, basophils, and eosinophils