If you are fed up with Blog accounts,you might be interest to delete your blog.If you might be,then you are in right place.
The following instruction will help you to delete you blog account.
Steps :
1) Go to Dashboard
2) Settings of your Blog.
3) At the top select Delete Blog
4) Just click on it.
5) New confirmation message will be shown as like in picture,then click on the button labeled "Delete Blog".