Daniel 1:6-7

1:6 As it turned out, among these young men were some from Judah: Daniel, Hananiah, Mishael, and Azariah. 1:7 But the overseer of the court officials renamed them. He gave Daniel the name Belteshazzar, Hananiah he named Shadrach, Mishael he named Meshach, and Azariah he named Abednego.

Daniel 1:11

1:11 Daniel then spoke to the warden whom the overseer of the court officials had appointed over Daniel, Hananiah, Mishael, and Azariah:

Daniel 1:19

1:19 When the king spoke with them, he did not find among the entire group anyone like Daniel, Hananiah, Mishael, or Azariah. So they entered the king’s service.