Hello Tommy, and welcome to Seven Forums.
This would be the built-in "Administrator" account that you are seeing in addition to your account. If you would like to remove "Administrator" from the log on screen, then you could use the tutorial below to disable the built-in "Administrator" account while logged in your account to do so.
Built-in Administrator Account - Enable or Disable
Next, double check using the tutorial below to make sure that you have your user account selected, and to uncheck the
Users must enter a user name and password to use this computer box to be able to log on to your user account automatically at startup.
Log On Automatically at Startup
Hope this helps,
Shawn