Hayreddin Barbarossa
Hayreddin Barbarossa (, original name Khiḍr; ), also known as Hızır Hayrettin Pasha, and simply Hızır Reis (c. 1466/1478 – 4 July 1546), was an Ottoman corsair and later admiral of the Ottoman Navy. Barbarossa's naval victories secured Ottoman dominance over the Mediterranean during the mid 16th century.