The Sorcerer's Apprentice - Merlin trained Balthazar and upon his death gave Balthazar the quest to find the Prime Merlinian.
Balthazar - A fallen angel, Balthazar is helping Castiel in season six.
Raimond Balthazar Phelypeaux, seigneur du Verger, a member of the La Vrilliere branch, was sent as ambassador to Savoy in 1700, where he discovered the intrigues of the duke of Savoy, Victor Amadeus II., against France; and when war was declared he was kept a close prisoner by the duke (1703-1704).
The failure of Jaureguy did not deter a young Catholic zealot, by name Balthazar Gerard, from attempting to assassinate the man whom he looked upon as the arch-enemy of God and the king.
The three kings of Cologne (Kaspar, Melchior and Balthazar) were supposed to be the three wise men who came from the East to pay adoration to the infant Christ; according to the legend, the emperor Frederick I.