Daniel, Hananiah, Mishael and Azariah were young men from taken from Judah to Babylon by Nebuchadnezzar to serve him in his court. Daniel was given the name Belteshazzar; Hananiah the name Shadrach; Mishael the name Meshach; and Azariah the name Abednego. Daniel 1:7
Later, Nebuchadnezzar appointed Shadrach, Meshach and Abednego to help Daniel govern Babylon and the towns around it. Daniel 2:49
Shadrach, Meshach and Abednego were thrown into the blazing furnace for not worshiping the golden statue. Daniel 3 NIRV - A Gold Statue and a Blazing Furnace - Bible Gateway