Tiresias is a blind prophet of Thebes. He is famous for his clairvoyance and being changed into a woman for 7 years. He is a mortal. He is usually old in myths but in some he is young.
He was the son of the shepherd Everes and the nymph Chariclo. He is the prophet of Apollo. He became the advisor of Cadmus.
Many different stories were told of the cause of his blindness, the most common one being that he was simply blinded by the gods for revealing their secrets. Another story is that Tiresias was blinded by Athena after he stumbled onto her bathing naked. He was later given the gift of augury from Athena to repay for blinding him. Another myth is that he was turned into a woman for 7 years. One story is that he hit a pair of copulating snakes with a stick. Hera turned him into a woman for doing that. He became a man again when he saw another pair of mating snake and either left them or stomped on them.
Tiresias told Oedipus that he was the one who killed King Laius. Oedipus thought he was lying and doubted his knowledge. Oedipus later found out that Tiresias was right all along.
Tiresias told Creon to bury Polyneices or he would be punished by the Gods. Creon accused Tiresias that he was corrupt. For that Creon loses his son.
His only power is the power to communicate with Apollo. Apollo gave him clairvoyance. He is smart and talks in riddles. He was given the gift of augury.
Tiresias is in Oedipus the King
"Tiresias." Wikipedia. Wikimedia Foundation, 04 June 2013. Web. 18 Apr. 2013.
"Tiresias (Greek Mythology)." Encyclopedia Britannica Online. Encyclopedia Britannica, n.d. Web. 18 Apr. 2013.
"Tiresias." Tiresias. N.p., n.d. Web. 18 Apr. 2013.