The following Profile Settings can be adjusted for each user:
Nickname – Edit the nickname that can be seen by other players.
Edit Icon – Select a character or Mii, or adjust the background.
A user’s profile settings can be edited in the following ways:
From the user's page:
From the HOME Menu, select the user’s page you wish to edit.
Select “User Settings.”
From System Settings:
From the HOME Menu, select “System Settings.”
Scroll down the options on the left and select “Users.” Then select the user profile you wish to edit.