Barbarossa

Frederick, Frederick I (def 1).
the planning and operational code name the Germans gave to their invasion of the Soviet Union (June 22, 1941).
(Aruj) died 1518, Barbary pirate, born in Greece.
(Khair ed-Din) c1466–1546, Barbary pirate, born in Greece (brother of Barbarossa I).
Contemporary Examples

Josh Dzieza on the history of naming military operations, from Barbarossa to Blue Spoon, and what Odyssey Dawn really means.
Why Is the Libya War Called Operation Odyssey Dawn? Josh Dzieza March 21, 2011

Historical Examples

Having passed the Picrocholinal sea, behold, Barbarossa yields himself your slave.
Gargantua and Pantagruel, Complete. Francois Rabelais

Get into line,” said Barbarossa to his captains, “and do as you see me do.
The Story of the Barbary Corsairs Stanley Lane-Poole

Anyhow no one, not even Barbarossa, could hold the Turks back now.
The Story of the Barbary Corsairs Stanley Lane-Poole

Barbarossa himself was born in Lesbos, probably of a Greek mother.
The Story of the Barbary Corsairs Stanley Lane-Poole

Unfortunately his work, scenes from the history of Barbarossa, perished in the great fire of 1577.
The Venetian School of Painting Evelyn March Phillipps

A few days after the victory, Barbarossa went into it to bathe.
ZigZag Journeys in Northern Lands; Hezekiah Butterworth

Barbarossa smiled, thanked him, and walked quietly to the place indicated, an exposed opening beside the wall.
Romantic Spain John Augustus O’Shea

Of course the Germans attached to Barbarossa a legend, as they do to everything.
ZigZag Journeys in Northern Lands; Hezekiah Butterworth

Barbarossa’s enormities were the favourite theme; there was plenty of red put in the brush.
The Duchess of Trajetto Anne Manning

noun
the nickname of the Holy Roman Emperor Frederick I See Frederick Barbarossa
real name Khair ed-Din. c. 1465–1546, Turkish pirate and admiral: conquered Tunis for the Ottomans (1534)