The concept of "Alvarez" surfaces throughout literature as a multifaceted name, frequently associated with characters embodying ambition, conflict, or moral complexity. Authors such as Joseph A. Altsheler depict Alvarez as a shrewd tactician maneuvering through frontier tensions, while F. S. Brereton presents him as a competitor in treasure-hunting adventures.
Edward Young’s tragedy portrays Alvarez as a villainous adversary, contrasting with Frances Minto Dickinson Elliot’s representation of him as a powerful nobleman. These differing depictions underscore Alvarez’s versatility as a symbol of power struggles, devotion, and ethical uncertainty, illustrating the varied settings in which he appears.