1. Julie Louis Dreyfus who played Elaine was not in the pilot episode.
2. During the course of the show Jerry had 73 different girlfriends.
3, Kramer's original name was Kessler.
4. Jerry Seinfeld was such a big Superman fan the made mention of the superhero in every single show.
3. But only in the first episode.
4. Fake - It was just an urban legend.