Daniel 2:17

Then Daniel returned to his house and discussed the matter with Hananiah, Mishael, and Azariah, his companions,

Daniel 1:6-7

Among them from the sons of Judah were: Daniel, Hananiah, Mishael, and Azariah.

Daniel 1:11

But Daniel said to the overseer whom the commander of the officials had appointed over Daniel, Hananiah, Mishael, and Azariah,

Daniel 3:12

There are certain Jews whom you have appointed over the administration of the province of Babylon, namely Shadrach, Meshach, and Abed-nego. These men, O king, pay no attention to you; they do not serve your gods or 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
The commander of the officials gave them [Babylonian] names: Daniel he named Belteshazzar, Hananiah he named Shadrach, Mishael he named Meshach, and Azariah he named Abed-nego.
Daniel 3:12
There are certain Jews whom you have appointed over the administration of the province of Babylon, namely Shadrach, Meshach, and Abed-nego. These men, O king, pay no attention to you; they do not serve your gods or worship the golden image which you have set up.”