Realistic Rosters

I'm not willing to make some generic pic roster in paint so bland text will have to do.

Super Mario
Mario
Luigi
Peach
Bowser

WarioWare
Wario

Yoshi Island
Yoshi

Legend of Zelda
Link
Zelda
Ganondorf(can possibly see him NOT returning)

Pokemon
Pikachu
Zoroark/New Mewtwo form/some future Gen. 6 Pokemon
Jigglypuff
Pokemon Trainer(with new starter Pokemonz)

Metroid
Samus

Star Fox
Fox
Wolf

Donkey Kong Country
DK
Diddy Kong
King K. Rool(i for some reason see this happening...)

Nintendo
Mr. Game & Watch
Ice Climbers
Balloon Fighter
Wii Fit Trainer

Animal Crossing
Villager

Kirby
Kirby
Meta Knight
King Dedede

Pikmin
Olimar/one of the new captains in Pikmin 3

F-Zero
Captain Falcon

Fire Emblem
Marth
Chrom/Ike
Tharja/Lyn

Earthbound
Ness

Kid Icarus
Pit
Palutena

3rd Party Characters
Mega Man
Pac-Man/Lloyd Irving/Yuri Lowell
Sonic

36 characters or so here. Feel free to correct this in a way more fitting to your tastes.

I don't see how you see Ganondorf possibly not returning. They're keeping the three triforce holders.

Super Mario
Mario
Luigi
Peach
Bowser
Bowser Junior

WarioWare
Wario

Yoshi Island
Yoshi

Legend of Zelda
Link
Zelda
Ganondorf
Girahim

Pokemon
Pikachu
Zoroark/New Mewtwo form/some future Gen. 6 Pokemon
Jigglypuff
Pokemon Trainer(with new starter Pokemonz)

Metroid
Samus
Ridley

Star Fox
Fox
Wolf

Donkey Kong Country
DK
Diddy Kong
King K. Rool

Nintendo
Mr. Game & Watch
Ice Climbers
Wii Fit Trainer

Animal Crossing
Villager

Kirby
Kirby
Meta Knight
King Dedede
Waddle Dee

Pikmin
Olimar

F-Zero
Captain Falcon

Fire Emblem
Marth
Chrom
Ike

Earthbound
Ness
Lucas

Kid Icarus
Pit
Palutena

3rd Party Characters
Mega Man
Pac-Man/Snake
Sonic