I'm My Own Grandpa

You may be familiar with the song I'm My Own Grandpa but it can be hard to follow how the relationships work, so some people have made YouTube videos to "clarify" things:

• http://www.youtube.com/watch?v=qu_Y1wQ923g
• http://www.youtube.com/watch?v=g5vYtjYywzM
• http://www.youtube.com/watch?v=yWThzXkpz_w
• http://www.youtube.com/watch?v=FbfF5Eq20hU
• http://www.youtube.com/watch?v=eYlJH81dSiw

I'm sure there are others.

I was actually looking for Lydia the Tattooed Lady which turns out to be more risqué than the Muppet version I knew...