Clyde Frog returns. Either Cartman got a new one, or he had his old one repaired.
Casey Miller - named for Casey Kasem, radio personality of the 1980s who hosted American Top 40 on weekends.
The latest Okama Gamesphere looks like a clear soccer ball. There's a Chinpokomon next to it.
A few Clockwork Orange references in the transcript for those of you who are fans of the book: "the old in-out," a term for penetration, is one of them.