Jerry Seinfeld's former friend Michael Constanza sued the "Seinfeld" creators, claiming that the character of George was based on him and thus violated his privacy. He lost

In every episode of Seinfeld, there is either a visual reference or a mention of Superman

Rick and Morty co-creator Justin Roiland initially intended for Rick's actions to destroy the Earth in every episode

The Southpark character Chef was based on a dining hall employee who creators Matt and Trey knew from their college days

The first Southpark episode was created via stop motion using construction paper cutouts