Daniel 2:17

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

Daniel 1:6-7

And among them were four of the sons of Judah: Daniel, Hananiah, Mishael, and Azariah,

Daniel 1:11

And Daniel said to Melzar, whom the chief of the eunuchs had set over Daniel, Hananiah, Mishael, and Azariah,

Daniel 3:12

There are men, Jews, whom you have set over the business of the province of Babylon, Shadrach, Meshach, and Abednego. These men, O king, do not heed you. They do not serve your gods nor worship the golden image which you have set up.

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
to whom the ruler of the eunuchs gave names. For he called Daniel, Belteshazzar; and Hananiah, Shadrach; and Mishael, Meshach; and Azariah, Abednego.
Daniel 3:12
There are men, Jews, whom you have set over the business of the province of Babylon, Shadrach, Meshach, and Abednego. These men, O king, do not heed you. They do not serve your gods nor worship the golden image which you have set up.