The term 'Character in 'The Iliad'' can be represented by three crossword solutions: PSI (3 letters), ETA (3 letters), and SIGMA (5 letters). PSI is the Greek letter that represents the protagonist of Homer's epic poem, Achilles. ETA is the Greek letter that stands for Hector, the prince of Troy and Achilles' greatest adversary. Lastly, SIGMA is the Greek letter that symbolizes Odysseus, the king of Ithaca and a great warrior in the Trojan War.