Proteus

Greek Mythology - A sea god, son of Oceanus and Tethys, noted for his ability to assume different forms. He can foretell the future, but will change his shape to avoid having to do so.

Etymology – Name suggests the "first" or the "firstborn". From this feature of Proteus comes the adjective protean, with the general meaning of versatile and mutable with the positive connotation of adaptability.