See Musk's 11 Cameos: 'South Park' to 'Rick and Morty'
South Park | Simpsons Wiki | Fandom
South Park / Referenced By - TV Tropes
When Radiohead unwittingly cameoed in South Park's darkest episode
Mario and Link cameo in South Park
Godammit /r/southpark! You have me pausing SP every two seconds now looking for squirrels in top hats, whales on moons, and old character cameos. This is what I have to show for