Assuming you have watched at least one episode of Rick and Morty, then you probably know the genius that is Justin Roiland, the show’s creator and voice of the dynamic duo. He’s also the show creator and voice of many of the characters in his new Hulu Exclusive show, Solar Opposites.

Vanity Fair asked Roiland to improvise the voices of 10 random cartoon characters he’s never seen before. Watch the video above!