Black Diamond, also known as Black Dia, is the current main antagonist in Rainbow Bubblegem. She was once ruler of one of the Seven Seas, but became corrupted into darkness and now wishes to take control of both the Sea and the Earth thanks to the power of Bubblegem.
Black Diamond (Rainbow Bubblegem) has been suggested to play 16 roles. Click below to see other actors suggested for each role, and vote for who you think would play the role best.
