Cousin of Agamemnon.
Name Origin: Greek
Name Gender: Male
(Greek mythology) the seducer of Clytemnestra and murderer of Agamemnon just who usurped the throne of Mycenae until Agamemnon's son Orestes came back home and killed him
He reached Sparta on the day on which Orestes was holding the funeral feast over Aegisthus and Clytaemnestra.