The Black Onyx is an object that appears in the Sonic the Hedgehog series. It is a dark purple gemstone in Sonic Superstars that once sealed the Black Dragon in the past, and was reused in the present day to seal back the beast once more during the Northstar Islands incident.
Black Onyx has been suggested to play 6 roles. Click below to see other actors suggested for each role, and vote for who you think would play the role best.
