who voices steven universe
"Nicki Minaj Voices ""Sugilite"" in an Episode of..." Nicki Minaj Voices Sugilite in an Episode of... Posted by User. Nicki Minaj voices Sugilite in a new episode of Cartoon Network's Steven Universe. In the episode titled Coach Steven, Sugilite is a fusion character that is created when Garnet and Amethyst dance to synchronize and fuse together. Watch below: What did you think of Nicki's voice over role.