Who's TRANSFORMATION wins in an all-out free-for-all fight canonically?

Including:

Giga Bowser (Smash Bros.) Shadow Mario (Mario Sunshine) Demon King Ganon (Ocarina Of Time) Super Dragon Yoshi (Super Mario World) Ultra Sword Kirby (Return To Dream Land) Whatever happened to Meta Knight (Smash Bros.) Mega Lucario (Pokémon XY) Mega Mewtwo Y (Pokémon XY) Mega Charizard X (Pokémon XY) Ash-Greninja (Pokémon: The Series XYZ) Full Dragon Corrin (Fire Emblem Fates) Progenitor God Byleth (Fire Emblem Three Houses) Wario-Man (WarioWare) Octopus (Game & Watch) Giga Mac (Punch-Out! Wii) Super Sonic (Sonic The Hedgehog 2)(GAMES ONLY, BUCKOS) Super Pac-Man (...Super Pac-Man) Final Devil Kazuya (Tekken) Safer Sephiroth (Final Fantasy 7)

Most of the main transformation Final Smashes from Brawl onwards. (Rip Cook Kirby) If these guys were to go all out, who'd you think could win, or become a runner-up? Any ties? Loopholes? And who do you think would go down first? Might compile this into a tier list of sorts sometime to post later-