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A Mii (ミー Mī ) is a digital avatar used in Nintendo's Wii, Wii U and Nintendo 3DS gaming consoles. They allow users to capture a likeness (or a caricature) of themselves, others, or invented characters. After creating one using the Wii's Mii Channel or the Nintendo 3DS's/Wii U's Mii Maker, they can be used as playable characters in various titles for each of the consoles respectively.
The first Mii characters were revealed at the Game Developers Conference in 2007. Shigeru Miyamoto first said that the Miis started out as a concept for a Famicom game, where a user could draw his face or someone else's. At the conference, Miyamoto commented the concept could not be turned into a game and the concept was shelved.
A few years later, during the Nintendo 64 era, an unsuccessful disk drive for the N64, the Nintendo 64DD, was made. Nintendo had developed a short film using Mario Artist: Talent Studio's avatar maker, which now included clothes & a built-in movie editor. After the disk drive's failure, Nintendo still had work to do on the Mii project.
The next try was for the Nintendo e-Reader. Along with the Game Boy Camera, it could build an avatar maker. Miyamoto showed another short film they made with the newer avatar maker, which was called Stage Debut, which was shown at E3 2002.
Mii creation 
Mii characters are created and stored in the Mii Channel or the Mii Maker, which are pre-installed on the Wii and the Nintendo 3DS/Wii U consoles respectively. While the user can assign a gender, name, birthday, and favorite color to a Mii, the majority of the interface used for Mii creation focuses on the appearance of its face and head: the user is given a variety of different hairstyles, eye, nose, and mouth shapes, and other features such as facial hair or wrinkles, to select from. Most of the facial features can be further adjusted, including their size, position, color, and alignment. Accessories such as hats and glasses are also available to add, and the Mii's height and build can also be adjusted. The Mii Maker installed on the Nintendo 3DS and Wii U can use facial recognition to generate a Mii, which selects facial features based on a photograph of a person's face taken with the system's and GamePad's cameras respectively. The features can then be fine-tuned by the user. Because the selection of facial features is considered by some to be limited, users are encouraged to develop caricatures of real persons instead of accurate depictions.
Both Wii and Nintendo 3DS consoles can each store up to 100 Mii characters, whilst the Wii U could store up to 3000 Mii characters, and Wii Remotes are also able to store and transfer up to 10 Mii characters to other consoles. It is also possible to see other Mii characters from TV shows and games.
Special Miis and Mii editing limitations 
Currently, only four special Miis have been released by Nintendo. For a limited time between March 13 and March 29, 2007, Wii owners in Japan were sent Mii versions of the famous Japanese comedian Sanma Akashiya and ex-tennis player Shuzo Matsuoka. The duo had been featured in Japanese promotions for the Wii, highlighting Miis themselves. Miis of Satoru Iwata and Reggie Fils-Aime's (the presidents of Nintendo and Nintendo of America, respectively) were released on the 3DS for the 1st anniversary of the handheld console. Their Miis feature gold pants, as opposed to a gray pair, and cannot be edited or copied. If owners transfer them to another Wii or Wii Remote, they will be removed from their original location, instead of traditionally making another copy. It is also possible to create special Miis through the use of third-party software, but Nintendo typically will force these entrepreneurs to shut down.
Nintendo's forced shutdown of these third-party sites brings a shortcoming of their Mii offering to light. Sometimes when a customer has needed to return his or her Nintendo Wii for service, a replacement machine must be sent. When that happens, the Mii software recognizes it is a different system and will not allow any editing of Miis created on the original system. Nintendo, while offering to copy game data and Miis to the new machine, will not alter the Miis so that they can be edited on the replacement machine.
Uses in games 
Miis are intended to be an extension of the player, and in keeping with this spirit, the user can use them in several Nintendo titles for the Wii. Wii Sports is perhaps the best-known example of this, and it adds a further personal touch to Miis by saving game statistics and records for individual Miis. Miis will make cameo appearances as computer controlled opponents, teammates or within the audience. Miis have been used to serve as game file icons (profiles) within several games. Often appearing as just a head for identification, this Mii has no impact on the actual gameplay other than to identify a player in another way besides name.
Miis are primarily used in games such as Wii Sports, Wii Play, Wii Fit, Wii Party, Wii Fit Plus, Wii Music and Wii Sports Resort. Players can also use their Miis, however, in other first-party games, most noticeably within WarioWare: Smooth Moves, Mario & Sonic at the Olympic Games, Mario Party 8, Mario Kart Wii, Mario Super Sluggers and Animal Crossing: City Folk (using their Mii's head as a mask). The Japan-only Sega game Pachinko: Sammy's Collection is the first third-party game to incorporate Miis, while the Wii version of FIFA Soccer 08 is first third-party game released in North America and in Europe and Australia to use the Mii Channel. Many other games, like We Ski, and (the Wii versions of) Guitar Hero World Tour and Sonic Colors also use Miis.
While a Mii's head always remains the same, its body varies between games. For example, in Wii Sports, the Mii's body is stylized, with spherical floating hands and bearing no arms, but in Wii Fit its body is designed to look more natural, and its weight will be determined by the weight the Wii Fit found of the player in Wii Fit tests. Sometimes Miis will wear outfits in context with the game. In Mario Kart Wii, Mii racers can be dressed in jumpsuits, or Mario style overalls for males and a Peach style dress for females, in Dr. Mario Online Rx, Miis appear in medical clothing, and in Metroid Prime 3: Corruption, where they appear as bobblehead dolls, they will be dressed up in bounty hunter Samus Aran's Power Suit. In MLB Power Pros, Miis are designed to look like regular Power Pro-kun avatar, with legs detached from the main body. In Dance Dance Revolution Hottest Party 2, the Mii's body is formed more like a regular human. This design was however, criticized by IGN's Lucas M. Thomas, who sarcastically commented that "[it] doesn't look disturbing at all."
Miis are also incorporated in the downloadable Everybody Votes Channel, where Miis represent the voter. Up to six different Miis can be registered within the channel to use in voting. Another Mii-centric channel, the Check Mii Out Channel (also known as Mii Contest Channel in Europe), was released on November 11, 2007. Perhaps an evolution of an idea shared by Shigeru Miyamoto at the Game Developers Conference in 2007, this channel allows players to share their Miis and enter them in popularity contests.
Nintendo DS 
Miis can be transferred from a user's Wii to supported Nintendo DS games via the Mii Channel. A code must be entered by the user to unlock the feature. (In order, tap A, B, 1, then hold down 2 for three seconds)
The Nintendo DS game Personal Trainer: Walking uses Miis to allow players to track their progress in the game. Players are also able to create Miis in-game. The DS version of Final Fantasy Crystal Chronicles: Echoes of Time also does it.
The Japan-only life-simulation game, Tomodachi Collection for the Nintendo DS also uses Miis and has a built-in Mii editor. Miis from the user's Wii's Mii Channel can be transferred to the game, and vice versa.
Nintendo 3DS 
Unlike the Nintendo DS, which features limited support of Mii characters, its successor the Nintendo 3DS features Miis as a standard. Similarly to the Wii's Mii Channel, the Nintendo 3DS features its own Mii-creating application called Mii Maker, which is more advanced than the Mii Channel.
Mii characters can be created manually with Mii Maker as on the Wii's Mii Channel, but they can also be created automatically through the use of the Nintendo 3DS's cameras. The system captures an image of a subject's face, and the application converts the image into a Mii likeness using integrated recognition software. Automated Mii character designs can be manually adjusted. Mii characters can also be imported from the Wii to the 3DS or from the 3DS to the Wii U. However, Miis cannot be sent from the 3DS to the Wii, as Mii Maker features an expanded selection of design parts that are not available on Mii Channel.
The Nintendo 3DS can generate and read QR codes that represent Mii characters. QR codes and pictures of Mii characters can also be transferred to an SD card in any picture format, and be used in various ways, such as posting them on a web page. Miis on the Nintendo 3DS can also be used in conjunction with the device's Augmented Reality software - the software includes a mini-app named 'Mii Pics' which allows the user to take a photo of their Mii within a regular photo, using an augmented reality card included with the system.
The first Nintendo 3DS game to include support for Mii characters is Pilotwings Resort. Miis obtained through StreetPass appear as non-player characters in Nintendogs + Cats. Mii characters also appear in Pokémon Rumble Blast, Mario Kart 7, and in many more games.
Wii U 
Mii characters are set to evolve further for the Wii's successor, Wii U. In addition to previous uses on the Wii, Mii characters are being wholly integrated into the Wii U's social online network Miiverse, the WaraWara Plaza community where clusters of Mii characters crowd around the hottest games, and being depicted as personal avatars for individual Wii U players, whom have the ability for twelve separate Nintendo Network ID User accounts that can be used on a single console at a time. User accounts with Mii representatives are used for both games and apps such as Nintendo TVii. Mii characters can be transferred from the Wii and/or the Nintendo 3DS to the Wii U, in which in the latter's case transfers between consoles can occur as many times as possible, as the Wii U has its own Mii Maker app similar to that of the Nintendo 3DS version, where Users could transfer, create, and/or store up to 3000 Mii characters on the Wii U. Mii characters are also set to return as in-game characters for certain Wii U games, which in addition to Nintendo-published launch titles such as New Super Mario Bros. U and Nintendo Land, they will be also be included in third-party titles such as ESPN Sports Connection and Sonic & All-Stars Racing Transformed.
Dedicated Mii apps 
Check Mii Out Channel 
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The Check Mii Out Channel, also known as the Mii Contest Channel in Europe and Oceania, is a Wii channel that allows players to upload their Mii characters and share them with other users. There are also popularity contests, in which players design a Mii that personifies a specific idea or character and then vote on the Mii that best fits the suggestion. The channel has been available for free download on the Wii Shop Channel since November 12, 2007.
StreetPass Mii Plaza 
A feature on the Nintendo 3DS (XL), the StreetPass Mii Plaza makes use of the handheld's StreetPass feature, which exchanges data between nearby Nintendo 3DS (XL) consoles in standby mode. As Miis are gathered in the plaza, they can be used in two minigames, Puzzle Swap and Find Mii (known as StreetPass Quest in PAL regions). In Puzzle Swap, players can exchange pieces of several jigsaw puzzle panels based on Nintendo games, in which there were initially seven, but this number increased with occasional updates. Find Mii is an RPG minigame in which players use the Miis they gathered to fight through dungeons, earning accessories for their Mii. Each Mii possesses a different type of magic depending on their color, and become more powerful if the player meets them more than once. These games can be optionally played with Play Coins, though the results are more random than with Streetpass Miis. On December 6, 2011, the feature was updated to include SpotPass functionality, as well as new puzzle panels, a sequel to Find Mii, a map showing where players met other Miis, Accomplishments and a music player.
See also 
- Plunkett, Luke (1 October 2010). "Using Magic, The 3DS Can Make A Mii Using A Photo". Kotaku.
- "Nintendo Japan Offering Celebrity Miis". Retrieved 2007-06-16.
- "Mii Editor.com". Retrieved 2008-11-06.
- "Nintendo Tech Forums". Retrieved 2008-11-06.
- Lucas M. Thomas (2008-07-17). "E3 2008: Feet-on Dance Dance Revolution: Hottest Party 2". IGN. Retrieved 2008-08-02.
- "Nintendo Says 'Check Mii Out' With Creative New Channel for Wii.". 2007-11-08. Retrieved 2009-12-15.
- Wii to DS Connection Found in Mii Channel
- Personal Trainer: Walking Brings Mii Making To The DS
- Final Fantasy Crystal Chronicles : Echoes of Time for the Wii & DS A new Nintendo DS game, Friend Connection will have Mii support.
- "September 29, 2010 Nintendo Conference 2010". 2010-09-29. Retrieved 2011-01-03.
- Import Miis from Wii to 3DS one-way only - News - Aussie-Nintendo.com
- Record 3D Movies on Your 3DS Starting Now