What up, fellow glip globs?! Welcome to WatchMojo.com and today we will be counting down our picks for the Top 10 Celebrities Who Appeared on Rick and Morty. For this list, we will be focusing on the various notable guest stars that have graced Dan Harmon and Justin Roiland’s hit animated series over the course of its first three seasons. Whether known for voice acting, live action, or even music, these celebrities are the cream of the crop. And awaaaay we go!