The staff ghosts have stars next to their nicknames when you see them on tracks. You can earn a star for yourself as well. It is only visible to other players in-game, but the star appears in your Records screen (Records button from the main menu) when you earn it.
|Have three stars next to your name on wifi||Get a three star rating on all prixs|
|Have two stars next to your name on wifi||Get a two star rating on all prixs|
|Starred nickname||Beat all cups in all modes with 1-star rating or better|