Super Mario Maker - BiSiPi

[NICKtendo DS]

How about a single object for the Koopalings and that shaking cycles through all seven, but you can choose which one you want by tapping it, like with the Mystery Mushroom.
Also, shake Birdo for red and green Birdo.
Mushroom + Dino Torch = Rhino Dino
Shake Rex to make him flat by default.
Update the Big Boo to use the Big Boo sprite rather than an stretched regular Boo.
Lil' Sparky, though perhaps redundant due to Spike Top. Maybe give Spike Top a Fire Flower to make it a Lil' Sparky, then add a Super Mushroom for Hot Head. Difference can be that you can't spin jump on them and Yoshi spits fire after eating and spitting out one.
Mushroom Blocks. You can basically do Mushroom Block stuff with POW-Blocks, but a non-POW variant would be nice. Shake for Blue Blocks (the ones you can pick up in SMB3 and SMW, but disappear after a while. Cannot be stood on or stacked after grabbing, because it acts as a Shell).