Without Characters such as Teiresias, the story of Oedipus Rex may not have been propelled. Initially seen as a "sightless, witless, mad old man" (Line 356) by Oedipus, Teiresias's blindness motivates the dramatic irony of the story. The dramatic irony of Sophocles's play is when the audience knows the truth of Oedipus's past, while the characters in the play don't have a clue. The audience's benefit of knowing the disguised truth is that they can predict the fate of the story, and still be surprised if any twists are made on the road to completing the play. The role of Teiresias can be compared to an audience member that was able to play impromptu on stage with a disability which is misleading to the other characters. The knowledge Teiresias shares in Act 1 is rejected constantly by Oedipus because of his blindness. The quarrel between both characters provides the audience...