...Why what?
C'mon, Dan, have a think and use some common sense. I realize that you're a Member in Poor Standing unlikely to improve upon that status but you have to participate and use your noodle. If we infer that since I quoted a bit of your post and didn't add something the question wasn't "Why is the sky blue? or "Why does Luigi wear green all the time?" I asked you Why you thought what you thought? (Thunder's right, it appears that you posted just to share that you knew the character's name, and that isn't exactly a forgotten chestnut of television history.
They probably did it because that was funnier and because it might be that people watching the show remember the character by her nickname and not by her given name.
I'm sure you're just going to explain this away with some handwaving nonsense but it would be nice if you owned it and then made an effort to improve yourself.