How to add Top Commentator in blog?

Do you know who is commenting at your blog? Any idea who is the Top Commentator in your blog? I do not know who is top commentator in some of my blogs. If you are newbie you can learn how to add Top Commentator in your blog. I will find out later on how to add it to my blog. If you like to learn on how to make money online, you can visit Makoy's blog.