 Onyx is Puff's longtime friend, even before they were exposed to the Big Bang gas.According to his first appearance in "Bent Out of Shape", in season 1, Onyx and his partner in crime, Puff, dropped out of school after they got their powers, afterwards they lived on the street and he became known as "Onyx".When they see that a reward is being offered for the capture of Rubberband Man, Puff decides that they will become bounty hunters.