Six Mad Pianos as seen in Christmas 2013: The 12 Idiots of Christmas.

Mad Piano is a minor character in the SMG4 series.

It is an angry piano with chomping teeth. It has been played by Steve and Peach once.



  • The Mad Piano is sometimes called the Killer Piano by fans.
  • The Mad Piano first appeared in the game Super Mario 64.


I have absolutely no idea what's going on "I have absolutely no idea what's going on."
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