The Opposing Personality is a term introduced by John Beebe to designate the archetypal complex that carries the shadow of the hero—the function-attitude that stands in oppositional relation to a person’s superior function. Within Beebe’s eight-function, eight-archetype model, this figure is personified by the same cognitive process as the dominant function but in the opposite attitude (introverted versus extraverted), and it manifests characteristically through avoidant, passive-aggressive, paranoid, or seductive behaviors that run counter to the ego’s preferred mode. Beebe arrived at the term empirically, through years of observing dream figures and outer conduct in himself and patients, eventually formalizing it as one of four shadow archetypes (alongside the witch/senex, trickster, and demonic personality) that populate the inferior half of the typological model. The Opposing Personality is not merely a shadow figure in the generic Jungian sense but holds a specific structural position: it challenges the hero’s conscious orientation from a standpoint that mimics the hero’s own function while inverting its attitude. When projected, it generates interpersonal friction—confrontational intimacy, rivalry, or adversarial fascination—rather than the idealization associated with the anima or animus. Renos Papadopoulos’s Handbook confirms that, in Beebe’s scheme, this archetype ‘carries the shadow of the Hero.’ The concept remains Beebe’s distinctive contribution to post-Jungian typological theory.