It comes with a GUI to change all other admin names as well.
Unpack and upload it to the /wp-content/plugins/ directory.
Activate the plugin through the 'Plugins' menu in WordPress.
Here are some key features of "Admin renamer extended":
Will check for:
· Empty names
· Existing usernames
· Valid username (no funky special characters)
· WordPress 3 or higher
What's New in This Release: [ read full changelog ]
· WP standards used to get all admins.
· Extra security check based on 'remove_users' capabilities.