FastLikeLightning
Home-Town Zero
Considering it wasn't in the game until after the 1.0.5 update, I would say that it's more than likely true.
Like Luigi? Fireball, DP, hurricane.
But, Alpha 3
So far this person is claiming that a lot of her moves have more knockback.
How long has that rumor been going on? Even if they were just racking up debt left and right, I bet they have a nice credit limit.