After the war, he returned to his kingdom of Aetolia with the Palladium which he had helped Odysseus steal.  
His father was allowed to die after he ate the brains of the man who killed him.  Prior to the Trojan War, this man and his friend Acamas went to demand the return of Helen, but as you know their mission was fruitless.  During the Trojan War, this man's wife Aegialeia had an affair with Cometes.  Apollo was compelled to hide Aeneas in a cloud and transport him to Pergamos after this man nearly killed him, wounding Aphrodite in the process.  Later, Hera helped him by enabling his spear to hit Ares, ending a Trojan attack.  After the war, he returned to his kingdom of Aetolia with the Palladium which he had helped Odysseus steal.  FTP, name this Greek hero who was also known as Tydides, a favorite of Athena who shares his name with another figure from Greek myth who owned some flesh-eating mares.
His father was allowed to die after he ate the brains of the man who killed him.  
Diomedes