Most groups whether it’s a band, tv show, or anything else, they often have five people. A lot of the time in groups, there is the leader, the muscle, the brains, a dumb one, and another person. They often have five people because in order to be extraordinary, they need multiple talents. If they combine all of their talents, they will be able to do almost anything they put their minds to. Also, there is someone relatable for almost anyone in the audience.