Did You Know Gaming? Forums

http://www.youtube.com/watch?v=TjL7nftI4v8&t=3m10s

This boss has the same shape and the same moves of Master Hand, which is really surising, considering that both games were produced by HAL.

P.S. And it's explicitly said in the description of this other video:

http://www.youtube.com/watch?v=U29uxdg5tRo

In kirby & the amazing mirror Master hand is an actual boss and can be absorbed for the Smash powerup wich gives kirby sorta the abilities he had in smashbros

Edit: http://www.youtube.com/watch?v=Y_WTcgVRCUE

also crazy hand wich i forgot