(Note: I know it's not Halloween yet nor Costume Party, but here they are.)
- Mario = The Godfather.
- Donkey Kong = King Kong.
- Link = Peter Pan.
- Samus = Iron Man.
- Dark Samus = Cyborg from Teen Titans.
- Yoshi = Inflatable T-Rex.
- Kirby = A Strawberry Costume.
- Fox = Fox Bandit.
- Pikachu = Detective
- Luigi = A Cowboy.
- Ness = The Whimsical Merboy.
- Captain Falcon = Captain America.
- Jigglypuff = The Tooth Fairy.
- Peach = Magician.
- Daisy = Pumpkin Dress.
- Bowser = A Furry.
- Ice Climbers = Among Us Imposters.
- Sheik = Naruto's Costume.
- Zelda = Wendy Darling.
- Dr. Mario = Killer Doctor.
- Pichu = Ice Dragon.
- Falco = Mordecai.
- Marth = Vampire.
- Lucina = Batgirl.
- Young Link = Puss in Boots.
- Ganondorf = Death.
- Mewtwo = Frieza.
- Roy = Rosalina.
- Chrom = Werewolf (Since he can transform into his beast form).
- Mr. Game & Watch = Chef.
- Meta Knight = Zorro.
- Pit = An Angel.
- Dark Pit = Zenitsu's Costume.
- Zero Suit Samus = The Bride.
- Wario = Mr. Krabs.
- Snake = Rambo.
- Ike = Vincent from Final Fantasy.
- Pokemon Trainer = Mighty Morphin Ranger.
- Diddy Kong = A Peanut Costume.
- Lucas = Balloon Boy.
- Sonic = Werehog's Hoodie.
- King Dedede = Bomb Bird.
- Olimar = An Astronaut.
- Lucario = A Ninja.
- R.O.B. = Dark Pit's Costume.
- Toon Link = Kenny McCormick's Unlimited Form.
- Wolf = Death from Puss in Boots.
- Villager = Werewolf (Similar to Chrom).
- Megaman = Ultraman.
- Wii Fit Trainer = Pennywise.
- Rosalina = Witch.
- Little Mac = Rocky.
- Greninja = Tsuyu Asui.
- Mii Fighters = Wonder Red, Blue, & Green.
- Palutena = Sorceress.
- Pac-Man = Spongebob Squarepants.
- Robin = Willy Wonka.
- Shulk = The Incredible Shulk.
- Bowser Jr. = Pumpkin.
- Larry = Killua's Costume.
- Roy = Raphael from TMNT.
- Wendy = Rarity's Costume.
- Iggy = Professor Who.
- Morton = Dr. Dre.
- Lemmy = Kirby.
- Ludwig = Leonardo from TMNT.
- Duck Hunt = Scarecrow.
- Ryu & Ken = Bruce Lee & Chuck Norris.
- Cloud = Trunks.
- Corrin = Wildfire.
- Bayonetta = Witch's Lingerie.
- Inkling = Secret Spy.
- Ridley = Black Widow.
- Simon = Dracula.
- Richter = Werewolf's Clothes.
- King K. Rool = Jack Sparrow.
- Isabelle = Sapphire from Jewelpet.
- Incineroar = Sabretooth Tiger & within facepaint.
- Piranha Plant = A Wild Rose.
- Joker = The Joker.
- Luminary = Isaac.
- Erdrick = Gohan.
- Solo = Catria.
- Eight = Eevee's Costume.
- Banjo-Kazooie = Freddy Fazbear.
- Terry Bogard = Gulie.
- Byleth = Kaeya.
- Min-Min = Fennekin's Costume.
- Steve = Men in Black.
- Alex = A Jack-O-Latern's head.
- Zombie = Himself.
- Enderman = Himself.
- Sephiroth = Alucard.
- Pyra = Akita Neru's Costume.
- Mythra = Ariel's Costume.
- Kazuya = His Demon Form.
- Sora = His own Halloween Costume from the Game.