HOW TO CHANGE NAME OF AUTHOR
1.Log in to your dashboard--> layout- -> Edit HTML 2.Click on "Expand Widget Templates" 3.Scroll down to where you see this:...

2.Click on "Expand Widget Templates"
3.Scroll down to where you see this:
<p class='post-footer-line post-footer-line-1'> <span class='post-author'> <b:if cond='data:top.showAuthor'> <data:top.authorLabel/> <data:post.author/> </b:if> </span> |
4.Replace <data:post.author/> of above code with your new name.
5.Click on "Save Templates" and Refresh your site.