Playable Characters
Bowser | Bowser Jr. | Dark Pit | Dark Samus | Donkey Kong | Enderman | Ganondorf | Kazuya Mishima | King Dedede | King K. Rool | Koopalings (Larry, Roy, Wendy, Iggy, Morton, Lemmy, Ludwig) | Meta Knight | Mewtwo | Piranha Plant | Ridley | R.O.B. | Sephiroth | Wario | Wolf O'Donnell | Zombie

Subspace Army
Ancient Minister | Bowser | Bullet Bills | Duon | Galleom | Ganondorf | Goombas | Hammer Bros. | King Statue | Koopa Troopas | Master Hand | Petey Piranha | Primids | Rayquaza | Ridley | Porky Minch | Shadow Bugs (False Bowser, False Diddy Kong, False Peach, False Samus, False Zelda) | Tabuu | Wario

World of Light
Crazy Hand | Dharkon | Dracula | Galeem | Galleom | Ganon | Giga Bowser | Master Hand | Marx

Bosses
Crazy Hand | Dark Emperor | Dharkon | Dracula | Duon | Galeem | Galleom | Ganon | Giga Bowser | Marx | Master Hand | Master Core | Metal Face | Petey Piranha | Porky Minch | Rayquaza | Ridley | Tabuu | Yellow Devil

Assists Trophies/Poké Ball Pokémon/Miscellaneous Items
Andross | Arceus | Black Knight | Bob-ombs | Boss Galaga | Bullet Bills | Burrowing Snagrets | Chain Chomps | Chef Kawasaki | Darkrai | Deoxys | Devil | Dr. Wily | Entei | Elec Man | Ghirahim | Giratina | Ghosts | Gray Fox | Hammer Bros. | Klaptrap | Knuckle Joes | Kyurem | Lakitu | Lord Nightmare | Metroid | Meowth | Mimikyu | Mother Brain | Palkia | Phosphora | Shadow the Hedgehog | Skull Kid | Spinies | Starman | Unira | Unown | Waluigi

Trophies/Spirits/Stickers
Acro | Affinity | Akuma | Alraune | Albert Wesker | Amalthus | Andrew Oikonny | Antasma | Aparoids | Aparoid Queen | Arlon | Ashnard | Axel | Baba | Baby Bowser | Babylon Rogues (Jet the Hawk, Wave the Swallow, Storm the Albatross) | Balrog | Banzai Bills | Bass | Big Boss | Bio Rex | Birdo | Black Shadow | Blood Falcon | Bokoblins | Blippers | Bloopers | Bombers | Bonkers | Boos | Boom Boom | Boom Stompers | Box Boxer | Boxy | Broom Hatters | Bugzzy | Bumpety Bombs | Bulborbs | Burt the Bashful | Buzzy Beetles | Byrne | Cackletta | Calamity Ganon | Camus | Cappys | Captain Syrup | Carmilla | Chandelure | Chaos | Chaos Kin | Chargin' Chucks | Chozo Soldiers | Clubberskulls | Colonel Pluck | Condor | Careening Dirigibugs | Cragalanche | Creepers | Creeping Chrysanthemums | Count Bleck | Count Cannoli | Cranky Kong/Donkey Kong (arcade) | Daphnes | Dark Man 4 | Dark Matter | Dark Matter Blade | Dark Mind | Dark Monita | Darknuts | Daroach | Deadly Six (Zavok, Master Zik, Zeena, Zomom, Zazz, Zor) | Death | Deathborn | Deep Cut (Shiver, Big Man, Frye) | Devil Jin | Demise | Demon King Arzodius | Diggernaut | Dimentio | DJ Octavio | Don Bongo | Drackys | Dragaux | Dr. Ivo "Eggman" Robotnik | Dry Bones | Eagle | Edelgard von Hresvelg | Eggplant Wizard | EggRobos | Emerl | E.M.M.I. | Ender Dragon | Erazor Djinn | Evil Ryu | Father Balder | Fawful | Fiery Blowhogs | Flages | Fortitudo | FU | Fynalle | Gabriel Belmont | Gangrel | Galacta Knight | Galactic Fiend Kraken | Garon | Gengar | General Guy | Geese Howard | Gharnef | Ghasts | Ghosts | Gleeoks | Goda | Gold Bone | Golems (Kirby) | Golems (Dragon Quest) | Gomorrah | Gooper Blooper | Gordos | Goro Akechi | Great Reaper | Great Sabrecats | Grief | Gruntilda | Guardians | Hades | Hawke | Heihachi Mishima | Helmaroc King | Hewdraw | Hooktail | Hoopa Unbound | Hot Heads | Igor | Infinite | Ing | Inspired | Iori Yagami | Iridescent Flint Beetles | Iridescent Glint Beetles | Jade Face | Jeanne | Jin | Jin Kazama | Julius | Juri Han | Kalypso | Kamek | Kammy Koopa | Kanden | Karate Kong | Kass | King Bob-omb | King Boo | King Dice | King Dodongo | King Hippo | King Knight | King Olly | King Slimes | Kip | Kludge | Kracko | Kraid | Kritters | Kuma II | Kyle Merkulov | Leon Powalski | Lethiniums | Liquid Snake | Loptr | Lord Fredrik | Louie | Lurchthorns | Lyon | MB | M. Bison | Magnamalo | Magolor | Mahvas | Majora | Malladus | Malos | Masked Man | Master Belch | Master Kohga | Mecha Ridley | Medeus | Medusa | Megontas | Meta-Knights (Axe Knight, Javelin Knight, Mace Knight, Trident Knight, Blade Knights, Heavy Lobster) | Metal Sonic | Metroid Prime | Mimicuties | Moblins | Mockiwis | Moley | Monoeyes | Mouser | Mr. Frosty | Mr. Shine and Mr. Bright | Mugly | Nabbit | Natah | Necrozma | Nihilego | Nightmare | Nina Williams | Ninja Kong | Nipper Plants | Noxus | Nruffs | Nutskis | O'Chunks | Octoman | Octoroks | Olaf | Ornes | Pandora | Panther Caroso | Paper Bowser | Parasite Queen | Paz Ortega Andrade | Peckish Aristocrabs | Phantom Ganon | Pico | Pidgits | Piglins | Pigma Dengar | Pigmasks | Plague Knight | Plasma Wisps | Plasm Wraith | Pom Pom | Pompy | Poppy Bros. Jrs. | Princess Shroob | Quaggled Mireclops | Queen Metroid | Queen Sectonia | Rabbid Kong | Rabbids | Raphael the Raven | Reapers | Redd | Reshiram | Rhea | Revolver Ocelot | Riku | Risky Boots | Robot Masters (Cut Man, Guts Man, Ice Man, Bomb Man, Fire Man, Metal Man, Air Man, Quick Man, Crash Man, Flash Man, Wood Man, Hard Man, Top Man, Spark Man, Snake Man, Shadow Man, Drill Man, Dive Man, Skull Man, Gravity Man, Napalm Man, Knight Man, Wind Man, Slash Man, Sword Man, Galaxy Man) | Rockys | Rodin, the Infinite One | Roger the Potted Ghost | Rouge the Bat | Rufus Shinra | Ryuichi and Ryuji | Sagat | Salamence | Scarfies | Scurvy Crew | Shadow Beasts | Shadow Queen | Shaft | Shake King | Sheegoth | Shield Knight | Shotzos | Shroobs | Shy Guys | Sidesteppers | Sigma | Sir Kibbles | Skeletons | Skuttlers | Slimes (Dragon Quest) | Slimes (Minecraft) | Smoky Progs | Snowmads | Solidus Snake | Space Pirates (Kid Icarus) | Space Pirates (Metroid) | Specknoses | Specter Knight | Spire | Squeakers | Starmans | Stu | Swooping Snitchbugs | Sylux | Tacs | Tatanga | Thanatos | The Devil | The Skull | Therion | The Three Mage-Sisters (Francisca, Flamberge, Zan Partizanne) | Tiki Tak Tribe (Tiki Tong, Kalimba, Gong-Oh, Maraca Gang, Wacky Pipes, Cordian, Banjo Bottom, Xylobone) | Trace | Travis Touchdown | Turks (Elena, Reno, Rude, Tseng) | Turret Tusk | Twinbellows | Twinrova | Ultimate Chimera | Vaati | Validar | Vega | Viridi | Viruses | Vivian | Vorash | Waddle Dees | Waddle Doos | Walhart | Walkys | Wart | Weavel | Wheelies | Whispy Woods | Whomps | Wigglers | Wollywogs | Xord | X-Parasites | Yaldabaoth | Yuga | Yveltal | Zangief | Zant | Zekrom | Zero | Zingers | Zoda | Zurees

Miscellaneous
Billy Kane | Chang Koehan | Choi Bounge | Dr. Coyle | Dragonborn | Grima | Organization XIII (Master Xehanort, Xemnas, Ansem, Vanitas) | Ryuji Yamazaki | Saïx | Solon | Spiders | Springtron | Team Rocket Grunts | Yiga Foot Soldiers