Now I know this sounds stupid, but listen I for one believe that they should be in the game. Now, I know most people want custom movesets for miis like you can pick their attack, but no i think that's way too much work/time wasted. So I created a moveset
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First Depute: Mii Channel
Last Depute: Mario Kart 8
Specials:
Neutral Special: Bowling Ball: Mii brings out and holds a bowling ball as long as you hold B. Once you let go, the mii will roll bowling ball forward. It rolls around at a certain distance before disappearing or until it falls. The longer you charge it, the faster and stronger it will be. (Mii Sports)
Side Special: Fencing Jab: The mii will take out a blue or red fencing sword and just thrust it forward. The mii will hit anyone in its way, but it will also take a few seconds to get back up. A tricky move to use. (Mii Sports Resort)
Up Special: Jetpack: The mii will take out and put on a jetpack and will fly in the air for as long as you hold up B. It will only take you a certain distance before disappearing. It can also be used to glide. (Pilotwings Resort)
Down Special: Tennis Spin: The mii takes out a tennis racket and does spins 3 full times with his tennis racket sticking out. He can move a few inches, but will also be dizzy for a few seconds. (Mii Sports)
Final Smash: Mii Plaza: The mii blows its whistle and a whole bunch of random (generic) mii's will come running into the screen smashing into every player except you (kinda like how in the Mii Channel you blow your whistle to get all the Mii's assembled). (Mii Channel)
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Somehow all of the rest was deleted and only that was saved ._. I'm too annoyed to write the rest so enjoy -.- <3