In Greek mythology, Nestor was the son of Neleus, the King of Pylos and Chloris. Heracles killed all of his brothers and sisters.
Nestor was an Argonauts and participated in the hunt for the Calydonian Boar. He and his son, Antilochus, fought on the side of Greece in the Trojan War. Though Nestor was already very old when the war began, he was noted for his bravery. Antilochus was killed in battle by Memnon.
Iliad I, 248; II, 370; IV, 293. Odyssey III, 157, 343.
Nestor had two other sons: Aretus and Pisistratus (Odyssey III, 414)
Nestor is a fictional character from Belgian artist Herge's renown Tintin comic strip books. Before he was under the employment of Captain Haddock at Marlinspike Hall, he dutifully served as a butler for the Bird Brothers, the estate's previous owners. Nestor made his first appearance in The Secret of the Unicorn, and proves to be staple character in numerous Tintin stories.
In the Star Trek universe, a Nestor is a legal advisor to the offender in Cardassian criminal trials. Unlike the defense lawyer, the Nestor is barred from directly addressing the tribunal.