Your hopes for alternate costumes?

[UltraMario]

Here's mine for Mario:

Jumpman
Donkey Game Boy Mario
Wrecking Crew 98' Mario
SMB Mario
Classic Mario (blue shirt red overalls)
Frog Mario
Cape Mario
Raccoon Mario
Sky Pop Mario
SMBSS Life-Action Mario (not very likely)
Baby Mario (same as above)
Baby Mario in a diaper (^)
Virtual Boy Mario
Paper Mario
Painting Mario
M&L Mario
Mini Mario
Hatless Mario
Fire Baby Mario
Blue Baby Mario
Cyan Baby Mario
Blue Mario
MB Mario
Bomb's Away Mario
Hatless Classic Mario
FGPII Mario
Tanooki Mario
Hammer Mario
Statue Mario
NESOTG Mario
Mario Paint Mario
Musician Mario
Composer Mario
Rabbit Mario
Astronaut Mario
Chef Mario
Bucket Mario
Picross Mario
Cowboy Mario
Striker Mario
Helmet Paper Mario
Propeller Mario
Boomerang Mario
Small Mario
Gold Mario
Fire Mario
White Raccoon Mario
Flying Squirrel Mario
Cat Mario
M&LDT Mario
Maintainer Mario
Soccer Mario
Japanese Attire Mario
Tennis Mario
Game Boy Tennis Mario
Punch-Out Mario
SML Mario
SMB3 Mario
SML2 Mario
MiM Mario
Mario Golf Mario
Wario Mario
Brown Mario
Green Mario (LeftyGreenMario)
M&L Mario ingame
8-Bit Mario

 

[Magikrazy]

Is that all?

 

[Weasel]

 

[UltraMario]

Is that all?

You mean for Mario?

But now, for Luigi.

MB Luigi
SMB Luigi
SMB2 Luigi
SMB3 LUigi
SMW Luigi
SMA+SMW Luigi
Wrecking Crew Luigi
Super Mario Bros.: Peach-hime Kyushutsu Dai Sakusen!
Luigi in a yellow shirt and navy hat in Peach-hime Kyushutsu Dai Sakusen!.
Classic Luigi (blue shirt green overalls)
Casanova Koopa
SMBMovie Luigi
Baby Luigi
Baby Luigi in a diaper
Parade Luigi
Paper Luigi
Mr. L
M&L Luigi
Striker Luigi
NESOTG Luigi
Pink Luigi
Negative Zone Luigi
Mario's Tennis Luigi
Tanooki Luigi
Kitsune Luigi
Silver Luigi
Flying Squirrel Luigi
M&LDT Luigi
Bluigi
MKDS Character Select Luigi (green eyes)

for a second i thought that was for real. :P