I think it would still work, they have the axes, they could punch, they have the nets, and the other in-game items.
They made Mr. Game and Watch and Peach work even though they don't really fight in their games.
Lol! That's the whole point! xP! Ressetti is supposed to do that like in Animal Crossing if you reset without saving he'll be in front of your house ready to start nagging you about how you have to save before you end the game.
To all saying Master Chief; he won't be in because he is Microsoft IP.
I would like to see:
-Rosalina (Super Mario Galaxy/ Super Mario Galaxy 2)
-Daisy
-Birdo
-Toon Zelda/ Tetra
-Toon Ganondorf
-Zant
-Krystal (from Starfox)
-King K. Rool
-Dixie Kong
-PKM Trainer w/ Johto starters
-PKM Trainer w/ Hoenn starters
-PKM Trainer w/ Sinnoh starters
-PKM Trainer w/ Unova...