To me, the reward goes to
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: Average, but good ko, jiggle move, anti-air move, mindgame move, hit from behind to front, good for punishing rolls, OOS, and good pivot up smash all thanks to his invincible head. Plus his bad traction helps.
: Same as his brother, but shorter than Luigi and better traction than Luigi.
: Invincibility in his feet, good for koing, and anti-air(but less than the Mario bros).
: The sword hitbox protects him, combos out of down throw, jiggle move, mindgame with, and ko decently.
: Because of her height and Luma on her side, it serves as a good ko move, anti-air, jiggle move, combo possibly, and I think her head has invincible frames.