
Also revealed in the article is the news that Roseanne Barr has been cast as the voice of Kraang Prime, who will appear in the season finale. Additionally, Kelly Hu has been announced as the voice of Karai, and Cassandra Peterson (aka Elvira) will be a research scientist named Mrs. Campbell.
The character design for Karai, who is presumably shown facing Leo in the picture above, has created a bit of a stir. She is said to be a rebellious teenager, which is a bit of a departure from previous incarnations of the character.