Daniel 2:17

Then Daniel went back to his house, and explained everything to Hananiah, Mishael, and Azariah, his companions:

Daniel 1:6-7

Now among these children of Judah were Daniel, Hananiah, Mishael, and Azariah.

Daniel 1:11

Daniel answered the officer appointed over Daniel, Hananiah, Mishael, and Azariah:

Daniel 3:12

The Jews whom you appointed over the affairs of the province of Babylon: Shadrach, Meshach, and Abed-nego have not listened to you. They do not serve your gods. They do not worship the golden image that you 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
The officer in charge gave names to them: To Daniel he gave the name of Belteshazzar. Hananiah was called Shadrach. Mishael was called Meshach and Azariah was named Abednego.
Daniel 3:12
The Jews whom you appointed over the affairs of the province of Babylon: Shadrach, Meshach, and Abed-nego have not listened to you. They do not serve your gods. They do not worship the golden image that you set up.