The play gives classic tragic archetypes. According to Northrop Frye Theory of Archetypes:
Oedipus is the Alazon, an imposter who sees himself greater than he really is, he who is self-deceived, full of hubris.
Jocasta is a Sub Alazon, a romantic ploy who intensifies the mood; she is the Supplient who provides vision of unmitigated suffering and helplessness. A foil for Oedipus
Tieresias is the Eiron, a self-deprecator, who sees himself as less than he really is. He is a nemesis, a soothsayer and agent of the gods. Also a foil for Oedipus. He is the archetypal blind prophet who ironically sees the truth.