Brawl creator Masahiro Sakurai finally confirmed today that upcoming Wii title Super Smash Bros. Brawl will fully support Nintendo Wi-Fi Connection. In other words, you can simply connect your Wii to the Internet and enjoy linked battles with people from around the world!
There will be two modes, the first of which uses Friend Codes and allows players to send text messages during battle. The other mode, does not use Friend Codes, but players will be unable to see each others display names and chat is not supported.
Wi-Fi Play [Brawl]