Got more of these:
*Armed MenTails & Luffy. Luffy can extend his two arms. Tails is a magical kitsune!*
Stage: Green Hill Zone
*Borb and GorbKirby in Meta Knight Costume & Meta Knight in Pink Costume (which works both as a Kirby and Galacta Knight costume)
Stage: Rainbow Route or any new Kirby stage in Beta (please let the latter happen).
*Mama & DinosaurLuigi & Yoshi. MARIO WHEREVER YOU ARE HEAALLLPPP
Stage: Yoshi's Island 64.
*Sonic UndergroundAny combination of Regular Sonic, Green Sonic and Pink Sonic.
Stage: Fourside (Robotnik built a city mmmkay).
*I am your CourageNess & Yellow Falco. He's a flying man
Stage: If possible Magicant, but if not,
Magicant.
*Not Mario rescues PrincessWario with Mario's colors and Peach. Based on
this.Stage: Bowser's Castle.
*Galaxy TouristMario & Peach with a Blue or Cyan costume (Rosalina)
Stage: Starship Mario.
*Fair & SquareBlack Mage and Sora. Both spam Forward Air a lot.
Stage: Lunar Core.
*Pasa el pack prro :vPac-Man & Zero Suit Samus. (Latin Americans will get this one ;v)
Stage: If Miiverse Stage becomes a thing, there, but if not, Dracula's Castle.
*From Helper to HeroBandana Dee & Tails. Both are side characters who usually get the spot of 2nd Player (at least it's the case in Rainbow Curse)
Stage: Any new Kirby stage or Sky Sanctuary Zone.
*Richards outNess & Donkey Kong in black costume. Guns spawn more often than usual.
Stage: Saturn Valley.
*Walk Like an EgyptianAny character with costume that turns their skin dark & Falco in a Red Costume. Based on Mohhamed Avdol from Joel's Wacky Ocurrence.
Stage: Sand Ocean.
*RPG healersPeach with Fire Peach costume & Black Mage with White Mage costume. Peach was a healer in SMRPG and White Mage doesn't need an explanation.
Stage: Saturn Valley (because you can heal in there).
*Bite The DustMarth with white or purple costume & Pink or Purple Bomberman. BITE ZA DUSTO BREAKDOWN BREAKDOWN
Stage: Smashville because it's a crazy noisy bizarre town.
*Kitsune stands for Two Armed Fox