You Already Linked Your Google+ With Your Blogger And Want To Change Your Author Name In Your Blog But You Don't Want To Change Your Google+ Profile?
There's some restrictions when changing information in Google+ profile.
They limits the name changing as three per two years(as of this post publication time). And it is one of the disadvantages when you linked Blogger with Google Plus. But the changing of Google Plus name on your blog is not very hard. You can replace the author name on your blog with this trick.
For further instruction visit: