“Unto whom the Prince of the Eunuches gaue names: for he gaue vnto Daniel the name of Belteshazzar; and to Hananiah, of Shadrach; and to Mishael, of Meshach; and to Azariah of Abednego.”
1611 King James Version (KJV)
1:7 Gave names - That is, other names, relating to the idol - gods. Belteshazzar - So Daniel had the name of Belteshazzar, from the great Babylonian idol Baal or Bell. This was by the king's command, and herein he put forth an act: of his sovereignty.