Daniel 2:17

Then Daniel, to his own house, departed, - and, to Hananiah, Mishael, and Azariah, his companions, made the matter known;

Daniel 1:6-7

Now there were, among them, out of the sons of Judah, Daniel, Hananiah, Mishael, and Azariah;

Daniel 1:11

Then said Daniel, unto the overseer whom the ruler of the eunuchs had appointed over Daniel, Hananiah, Mishael, and Azariah:

Daniel 3:12

There are certain Jews whom thou hast set over the business of the province of Babylon, Shadrach, Meshach, and Abed-nego, - these men, have made thee, O king, of no account, thy god, they serve not, and, the image of gold which thou hast set up, do they not adore.

Treasury of Scripture Knowledge

Summary

Then Daniel went to his house, and made the thing known to Hananiah, Mishael, and Azariah, his companions:

Bible References

Hananiah

Daniel 1:7
and the ruler of the eunuchs gave them names, - yea he gave to Daniel the name of Belteshazzar, and to Hananiah of Shadrach, and to Mishael of Meshach, and to Azariah of Abed-nego.
Daniel 3:12
There are certain Jews whom thou hast set over the business of the province of Babylon, Shadrach, Meshach, and Abed-nego, - these men, have made thee, O king, of no account, thy god, they serve not, and, the image of gold which thou hast set up, do they not adore.