Nabu

Nabu was an ancient Wizard working in Egypt.

History
Nabu was a wizard in Ancient Egypt, and he fought Mordru during the period, defeating him and stealing the Eye of Ekron.

Nabu placed enchantments on it, and hid it from Mordru for millennia. He sent a vision to the prophet Tetra after his death telling her how to help imprison Mordru in the Eye.

Powers and Abilities
Magic - Nabu was an exceptionally powerful magician, being able to actually defeat Mordru. He was also able to send visions to people after his death showing his strength in the spirit world.

Equipment
Helmet of Nabu - Nabu created a helmet worn by the numerous Doctor Fate's, and as such has gained a level of immortality through it.

Eye of Ekron - Nabu stole the Eye from Mordru, and had it in his possession before hiding it.