I'm really leaning toward Star Wolf. If you look at http://ranobe.com/up/src/up254065.jpg you can see the way things would line up if they added Star Wolf right under Falco.
mario/luigi/peach/bowser
donkey kong/diddy & yoshi/wario
link/zelda/ganon/toon link
kirby/metaknight/dedede
fox/falco/wolf
pika/pokemon trainer/lucario/jigglypuff
marth/ike & ness/lucas
game & watch/snake/sonic/random
Things would become very organized if they add Star Wolf. God I hope so. That would be badass.
mario/luigi/peach/bowser
donkey kong/diddy & yoshi/wario
link/zelda/ganon/toon link
kirby/metaknight/dedede
fox/falco/wolf
pika/pokemon trainer/lucario/jigglypuff
marth/ike & ness/lucas
game & watch/snake/sonic/random
Things would become very organized if they add Star Wolf. God I hope so. That would be badass.