It's not finished. I took note of ideas in the concept stage.

Mario: 
Luigi: A NERF gun
Peach: A cake
Bowser: A fedora
Yoshi: 
Wario: Cash money
Donkey Kong: 
Diddy Kong: A yo-yo
Captain Falcon: An extending, retracting boxing glove
Fox:
Falco: Cake
Wolf: 
Ice Climbers: 
Link: Vikings
Toon Link: A toy train
Zelda: 
Sheik: An electric harp amp (yes it would totally fit in that box)
Ganondorf: Hotwheels
Kirby:
Meta Knight:
King Dedede
Pit: A lava lamp
Samus:
Zero Suit Samus:
Ness: One of those electric science balls
Lucas:
Watt: A remote-controlled car
Jigglypuff:
Lucario: 
Red: A camera
Hammer Bro:  
Ivysaur:
Norbert: a Red action figure
Marth: 
Ike: A Roy dummy
Olimar: 
R.O.B.: A StarTropics-themed snowglobe
Mr. Game & Watch: 
Snake: A box
Sonic: Fiiiiiiiiiiiiive Gol-den Riiiiiiiiiiiiiiiiiiings