Edit Author Slug v1.9.2
Allows an admin (or capable user) to edit the author slug of a user, and change the author base.
Tags / nicename
4 WordPress plugins tagged “nicename”. Every result links to a crawlable PlugIndex profile.
Allows an admin (or capable user) to edit the author slug of a user, and change the author base.
Customize author slug, user nicename, author archive, and custom slug URLs with full WordPress route control.
Make it possible to add nicename in the profile screen.
This plugin overwrites the user nicename for users in wordpress