Daniel 2:17

Then Daniel went to his house and informed his friends, Hananiah, Mishael and Azariah, about the matter,

Daniel 1:6-7

Now 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, have disregarded 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
Then the commander of the officials assigned new names to them; and to Daniel he assigned the name Belteshazzar, to Hananiah Shadrach, to Mishael Meshach and to Azariah 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, have disregarded you; they do not serve your gods or worship the golden image which you have set up.”