Bowser Jr.'s Unique Jump Sound
Other people likely already noticed after nearly two years since the game's launch, but I just realized that they gave Bowser Jr. his own unique jump sound in this game. I know he has something similar in the Galaxy titles when he bounces around, but that is a little touch I did not expect to carry over into spinoffs like this, especially since you likely wouldn't hear it in regular play with the music, voices and all the sound effects. That's kinda neat.