 Ultimate and New Super Mario Bros. U Deluxe" use Miis as playable characters.Miis are also used as profile pictures for Nintendo Accounts, and can be used in Nintendo smart device games such as "Super Mario Run" and the now-defunct "Miitomo".They are created by way of Mii Maker (Wii U and 3DS), Mii Channel (Wii), or the Mii system settings panel (Switch).