Which unlockable character in Super Smash Bros. For Wii U and 3DS does not have to be fought to be unlocked?

The Mii Fighters in Super Smash Bros. for Wii U and 3DS do not have to be fought to be unlocked, as they are available from the beginning of the game. Instead, players have the freedom to create and customize their own Mii Fighters right from the start, allowing them to choose their appearance, moveset, and special abilities. This flexibility sets them apart from other unlockable characters, as players have immediate access to the Mii Fighters without having to win battles or meet specific unlock conditions.