Ajax was a Spartan who was part of Captain Nikos' army.
Greek Mythology
Ajax or Ajax the great was a mythological Greek hero in Homer's Iliad. Who participied in the War of Troy
In God of War Comics
Although not the same Ajax, there is a spartan warrior named after him who, under the orders of Captain Nikos, aided Kratos in his first quest for the Ambrosia. He died when Hades aided Alrik with the Arms of Hades. He had a wife named Anthea, who was "famous" for sleeping more than once with his colleagues.