There are two major ways to transfer a Mii. By transferring up to ten Miis on your Wii Remote, then taking the player's Remote to another Wii console (possibly a friend's), then by connecting your Remote to their Console, their Miis are now accessible to their Mii Channel in a quite amusing "Mii Parade". This allows your Miis to communicate, or mingle, with the Console's Miis.
A different way to transfer Miis is the new WiiConnect24 feature, which allows the player to share Miis via the Internet. For example, if the player wants to see a Mii created by a penpal from China, they both must first add each other's Wii console numbers to each other's address books, and then they will be able to send messages to each other's Wii consoles with a Mii in the message. It is a form of entertainment some call "Mii-mail". These Miis always wear blue pants, and can't be edited.
If the console owner enables WiiConnect24 and turns on a "travel" option in the Mii Channel, he/she allows Miis from friend's Wii consoles to gather in the Mii Parade on the local console. If two people add each other's Wii numbers in their address books, and have the "Mingle" option enabled, their Miis can visit each other's consoles. The console owner has the option to leave any travelling Miis in his/her Mii parade or move them into the Mii Plaza on the local console. There is also an option to remove any Miis from the parade if the user wishes it. The plaza can hold 100 Miis.
It is currently Nintendo's policy to not allow the exchange of Wii codes on their community forum stating the following "It is currently Nintendo's policy not to allow these official Nintendo Community Forums to be used for the purpose of sharing your Nintendo Wi-Fi Connection ID or friend code (on a post, in your profile, or in a signature) with other participants - or for discussing other ways of sharing such codes. You should only share your Nintendo Wi-Fi Connection ID or friend code with people that you know and via a private means of communication such as email or telephone, rather than through a public forum. Remember to NEVER reveal any personal information in chat groups or forums." Therefore in effect stopping the transfer of Mii from one console to another by wiiconnect 24.
