Characters in Greek myths are figures from ancient Greek mythology, such as gods, goddesses, heroes, and monsters. These characters often have supernatural powers and are involved in stories of love, war, and adventure. Examples of characters in Greek myths include Zeus, Aphrodite, Hercules, and the Minotaur. The term 'etas' refers to a group of characters in Greek mythology who were known for their wisdom and knowledge. They were often consulted by the gods and mortals alike for advice and guidance.