Empty Slot

Slot 1 Contestants

 * Diogenes (Getting Over It)
 * Beppi the Clown (Cuphead)
 * Dr. Kahl (Cuphead)
 * Baroness Von Bon Bon (Cuphead)
 * The Devil (Cuphead)
 * Plum Pudding (Strawberry Shortcake Berry Bitty Adventures)
 * Peppa Pig
 * Yamimash (YouTube)
 * Jake Long (Jake Long American Dragon)
 * Catbug (Bravest Warriors)
 * Gwen (Total Drama)
 * Slappy the Dummy (Goosebumps)
 * Chihiro Ogino (Spirited Away)
 * Mike Mozart (JeepersMedia)
 * Doremi Harukaze (Ojamajo Doremi/Magical Doremi)
 * Knack
 * Anthony Sullivan (Infomercials)
 * LeFou (Beauty and the Beast)
 * Pain & Panic (Hercules)
 * Britney Spears (Music Videos)
 * Happy Video Game Nerd (Stop Skeletons From Fighting)
 * Abridged Pegasus (Yu-Gi-Oh! The Abridged Series)
 * Patamon (Digimon)
 * Richard (Cartoon Network's Unikitty! Series)
 * Pepper Ann
 * Snips & Snails (My Little Pony: Friendship is Magic)
 * Movie Fat Albert (Fat Albert (2004))
 * Princess Kida (Atlantis)
 * Lotso (Toy Story 3)
 * Mr. Clown (Animaniacs)
 * Angelica Pickles (Rugrats)
 * Yumi Yoshimura (Hi Hi Puffy AmiYumi)
 * Animesop/Anime Aesop (Aesop's Fables anime movie)
 * Clemont (Pokémon X and Y)
 * New Barbie (Barbie Dreamhouse Adventures)
 * AquaticNeptune Jimmy Neutron (Jimmy Neutron BRAIN BLAST!)
 * Surprise/80's Pinkie Pie/G1 Pinkie Pie (My Little Pony 1984)
 * Coco Kawaii Panty & Stocking (Coco Kawaii) (Tag Team)
 * Pico (Boku No Pico) (JOKE)
 * Pumpkin Market (YouTube)
 * Ayumu J. (YouTube)
 * Kitty0706 (YouTube)
 * Manboy (The Powerpuff Girls 2016)
 * Yandere-Chan (Yandere Simulator)
 * Cat Noir (Miraculous: Tales of Ladybug & Cat Noir)
 * Petra (Minecraft: Story Mode)
 * Fandom Sunset Shimmer (MLP Fandom)
 * Realistic Cuphead (If Cuphead was Realistic)
 * Scott Cawthon (Five Nights at Freddy's/FNAF World)
 * Bob the Tomato (VeggieTales)
 * Little Red Hood (JOKE)
 * 90's Kid (ThatGuyWithTheGlasses)
 * MLP Fever (YouTube)
 * Splosion Man
 * Scarlet Blitz (DeviantArt)
 * Aardvark (The Ant and the Aardvark/Pink Panther and Pals)
 * Dexter (Dexter's Laboratory)
 * Juniper Lee (The Life & Times of Juniper Lee)
 * Bubsy (Bubsy series) (JOKE)
 * Earthworm Jim
 * Marble (Super Marble Blast)
 * Nester (Nintendo Power)
 * Mr. Messy (The Mr. Men Show)
 * Flapjack (The Marvelous Misadventures of Flapjack)
 * Toon Ratchet & Clank (Beejie Bean)
 * Kimmi the Clown (YouTube)
 * Pixel Chick (Pixel Chix)
 * Ruby Gloom
 * Flirting Route Frisk (If Undertale had a Flirting Route)
 * Emilia W Sonic & Sci-Twi (Emilia W and Blossom Flower -Production) (Tag Team)

Slot 2 Contestants

 * Ethan Monster (HardCorllector)
 * TheMysteriousMrEnter (YouTube)
 * Robin Hood (Disney's Robin Hood)
 * Shaquille O' Neal (NBA/Movies)
 * Iznogoud
 * Lightning Bliss (YouTube)
 * Sakaki (Azumanga Daioh)
 * Purple Pie Man (Strawberry Shortcake)
 * Goemon (Ganbare Goemon/Mystical Ninja)
 * Wyldstyle (The LEGO Movie)
 * Sheen (Jimmy Neutron: Boy Genius)
 * Gibby Gibson (ICarly)
 * Robotboy
 * Blupi (Speedy Eggbert/Planet Blupi)
 * Dr. Fox (Cartoon Network's Unikitty! Series)
 * Bonnie (Five Nights at Freddy's)
 * Amalthea (The Last Unicorn)
 * Simon's Cat
 * Kanye West (Music Videos)
 * Sayori (Doki Doki Literature Club)
 * Cinderella
 * Super Magnetic Neo
 * Rapunzel (Tangled)
 * Dafu (Digimon Ruby Bootleg)
 * Larry the Lobster (SpongeBob SquarePants)
 * Courage (Courage the Cowardly Dog)
 * Max (Camp Camp)
 * Penguin (Club Penguin)
 * Music Box Mario ((Mario) The Music Box)
 * Firey (Battle for Dream Island/Battle for BFDI)
 * Four (Battle for BFDI)
 * Amazing Soldier (Meet the Amazing Team/Piemations)
 * Ickis (Aaahh!!! Real Monsters)
 * Nigel Thornberry (The Wild Thornberrys)
 * Betrayus (Pac-Man and the Ghostly Adventures)

DLC Contestants

 * Peni Parker (Spider-Man: Into the Spider-Verse)
 * Abridged Ruby Rose (RWBY: The Abridged Series)
 * 90's Rudolph (GoodTimes' Rudolph the Red-Nosed Reindeer: The Movie)
 * Stanley (A Troll in Central Park)

Rivals Contestants

 * Cozy Glow (My Little Pony: Friendship is Magic)
 * Ursula (The Little Mermaid)
 * McKenna (Care Bears Adventures in Care-A-Lot)

Slot 1

 * Richard - Cartoon Network's Unikitty! Series
 * Bob the Tomato - VeggieTales
 * Petra - Minecraft: Story Mode

Slot 2

 * TBA

Slot 1

 * Natsuki - Doki Doki Literature Club
 * Sandy Cheeks - SpongeBob SquarePants
 * Realistic Cuphead - If Cuphead was Realistic
 * Fandom Sunset Shimmer - MLP Fandom
 * Coco Kawaii Panty & Stocking - Coco Kawaii
 * Plum Pudding - Strawberry Shortcake
 * Snips & Snails - My Little Pony: Friendship is Magic
 * Splosion Man
 * Scarlet Blitz - DeviantArt
 * Yumi Yoshimura - Hi Hi Puffy AmiYumi

Slot 2

 * TBA