Super Smash Bros. Arena

Super Smash Bros. Ultimate MUGEN Battle Royale! is an upcoming crossover game for Wii U and Nintendo 3DS. The game will pubilshed by Nintendo, Cartoon Network Interactive, Disney Interactive Studios, Nickelodeon, and Mojang. It will feature Nintendo, Disney, Nickelodeon, Benny, Leo and Johnny's Adventures, etc.

Mario

 * Mario
 * Luigi
 * Princess Peach
 * Bowser
 * Wario
 * Waluigi
 * Yoshi

Donkey Kong

 * Donkey Kong
 * Diddy Kong

Wreck-It Ralph

 * Wreck-It Ralph
 * Fix-It Felix Jr.

Kirby

 * Kirby
 * King Dedede
 * Meta Knight

The Legend of Zelda

 * Link
 * Zelda/Sheik
 * Ganondorf
 * Toon Link
 * Toon Zelda

Earthbound

 * Ness
 * Lucas
 * Claus
 * Paula

Sailor Moon

 * Sailor Moon (with poison-shielding mask)
 * Sailor Mercury (with poison-shielding mask)
 * Sailor Mars (with poison-shielding mask)
 * Sailor Jupiter (with poison-shielding mask)
 * Sailor Venus (with poison-shielding mask)

SpongeBob SquarePants

 * SpongeBob SquarePants
 * Patrick Star
 * Squidward
 * Mr. Krabs
 * Sandy Cheeks
 * Plankton

Invader ZIM

 * Zim
 * Gir
 * Dib

Pokemon

 * Pikachu
 * Jigglypuff
 * Pokemon Trainer

The FT Squad

 * Kyle the Otter
 * Kristen the Otter
 * Kaya the Otter

Benny, Leo and Johnny's Adventures

 * Benny the Beast
 * Leo the Lionheart
 * Johnny the Lion
 * Rae the Lioness

Adventure Time

 * Finn
 * Jake

Sgt. Frog (Keroro Gunso)

 * Keroro
 * Tamama
 * Giroro
 * Kururu
 * Dororo

Prehistoric Monsters

 * Tyrannosaurus
 * Triceratops
 * Velociraptor
 * Parasaurolophus
 * Pachycephalosaurus
 * Pteranodon
 * Stegosaurus
 * Spinosaurus
 * Woolly Mammoth
 * Oviraptor
 * Pachyrhinosaurus
 * Plesiosaurus
 * Styracosaurus
 * Smilodon
 * Ankylosaurus
 * Tylosaurus
 * Brachiosaurus
 * Woolly Rhinoceros
 * Carnotaurus
 * Dimetrodon
 * Archaeopteryx
 * Dilophosaurus
 * Apatosaurus
 * Tupuxuara
 * Baryonyx
 * Kaprosuchus

Fire Emblem

 * Marth
 * Ike

Star Fox

 * Fox McCould
 * Falco
 * Wolf

The Lion King

 * Simba
 * Timon
 * Pumbaa

Annoying Orange

 * Orange
 * Pear
 * Marshmallow
 * Passionfruit
 * Midget Apple
 * Grandpa Lemon
 * Grapefruit

Steven Universe

 * Steven Universe
 * Garnet
 * Pearl
 * Amethyst
 * Connie Maheswaran

Sonic the Hedgehog

 * Sonic the Hedgehog
 * Tails

Looney Tunes

 * Bugs Bunny
 * Daffy Duck

Star vs. the Forces of Evil

 * Star Butterfly
 * Marco Diaz

Teen Titans Go!

 * Robin
 * Starfire
 * Raven
 * Beast Boy
 * Cyborg

Courage the Cowardly Dog

 * Courage

Ed, Edd n Eddy

 * Ed
 * Double D
 * Eddy

Johnny Bravo

 * Johnny
 * Julie Herschbaum

The Grim Adventures of Billy and Mandy

 * Grim Reaper
 * Billy
 * Mandy

Dexter's Laboratory

 * Dexter
 * Dee-Dee
 * Mandark

The Life and Times of Juniper Lee

 * Juniper Lee

Camp Lazlo

 * Lazlo
 * Raj
 * Clam

Molly Ketty and Friends

 * Molly Ketty
 * Valery the Cat
 * Kerstin the Cat

Big Hero 6

 * Hiro Hamada
 * Baymax
 * Wasabi
 * GoGo Tomago
 * Honey Lemon
 * Fred

The Uncle Dolan Show

 * Dolan Duk
 * Spoderman
 * Gooby

Powerpuff Girls

 * Blossom
 * Bubbles
 * Buttercup

Frozen

 * Anna
 * Elsa
 * Kristoff
 * Sven
 * Olaf

Rocket Power

 * Oswald "Otto" Rocket
 * Maurice "Twister" Rodriguez
 * Sam "The Squid" Dullard
 * Regina "Reggie" Rocket

Rugrats

 * Tommy Pickles
 * Chuckie Finster
 * Phil and Lil DeVille
 * Angelica Pickles
 * Susie Carmichael
 * Dil Pickles
 * Kimi Finster

The Simpsons

 * Homer Simpson
 * Marge Simpson
 * Bart Simpson
 * Lisa Simpson

Family Guy

 * Peter Griffin
 * Lois Griffin
 * Brain Griffin
 * Lois Griffin
 * Stewie Griffin

Metal Gear

 * Snake

Mickey Mouse universe

 * Mickey Mouse
 * Minnie Mouse
 * Goofy
 * Donald Duck
 * Daisy Duck

Winnie the Pooh

 * Pooh
 * Tigger
 * Piglet
 * Rabbit
 * Eeyore

The Land Before Time

 * Littlefoot
 * Cera
 * Petrie
 * Ducky and Spike

PB&J Otter

 * Peanut Otter
 * Baby Butter Otter
 * Jelly Otter

Phineas and Ferb

 * Phineas Flynn
 * Ferb Fletcher
 * Candace Flynn
 * Agent P (Perry the Platypus)
 * Dr. Heinz Doofenshritz

Regular Show

 * Moredicai
 * Rigby

The Amazing World of Gumball

 * Gumball Watterson
 * Darwin Watterson

Others

 * Sackboy
 * Nana and Popo (Ice Climbers)
 * Mr. Game & Watch
 * Pit (Kid Icarus)
 * Steve (Minecraft)
 * Scorpion (Mortal Kombat)
 * Hermann Fergelein (Downfall)
 * Danny Phantom (Danny Phantom)
 * Sam Manson (Danny Phantom)

Non-playable characters

 * BMO
 * Vanellope von Schweetz
 * King Candy
 * Stacy Hirano
 * Jeremy Johnson
 * Anais Watterson
 * Bogs Binny
 * Dafty Duk
 * Muriel
 * Slinkman
 * Marvin the Martian
 * Mo (from The Land Before Time)
 * Goombas (enemies)
 * Koopa Troopas (enemies)
 * Koopa Paratroopas (enemies)
 * Buzzy Beetles (enemies)
 * Lakitus (enemies)
 * Spinies (enemies)
 * Piranha Plants (enemies)
 * Hammer Bros. (enemies)
 * Bloopers (enemies)
 * Cheep Cheeps (enemies)
 * Thwomps (enemies)
 * Dry Bones (enemies)
 * Boos (enemies)
 * Gnawtys (enemies)
 * Zingers (enemies)
 * Kritters (enemies)
 * Klap Traps (enemies)
 * Neckies (enemies)
 * Pterodactyls (enemies)
 * Compsognathus (enemies)
 * Giant Pacific Octopuses (enemies)
 * Moray Eels (enemies)
 * Barracudas (enemies)
 * Sea Snakes (enemies)
 * Jellyfish (enemies)
 * Lionfish (enemies)
 * Porcupine Pufferfish (enemies)
 * Stingrays (enemies)
 * Giant Groupers (enemies)
 * Chunky the Macawinvore
 * Bearowl (Mini Boss)
 * Pirahnakeets (Mini Boss)
 * Ichthyosaurs (Mini Boss)
 * Great White Shark (Mini Boss)
 * Estuarine Crocodile (Mini Boss)
 * Petey Piranha (Boss)
 * Basilosaurus (Boss)
 * Rayquaza (Boss)
 * Deinosuchus (Boss)
 * Porky (Boss)
 * Quetzalcoatlus (Boss)
 * Undergrowth (Boss)
 * Titanoboa (Boss)
 * Ridley (Boss)
 * Giganotosaurus (Boss)
 * Tabuu (Boss)

Engilsh Cast

 * Charles Martinet: Mario, Luigi, and Wario
 * Kenny James: Bowser
 * Sam Kelly: Peach
 * Ikue Ōtani: Pikachu
 * Michele Knotz: Pokémon Trainer
 * TBA: Announcer, Master Hand
 * Kazumi Totaka: Yoshi
 * Makiko Ōmoto: Kirby, Ness
 * Lani Minella: Lucas, Claus, and Paula
 * Antony Del Rio: Pit
 * Nobuyuki Hiyama: Link
 * Rachael Lillis: Jigglypuff
 * Jim Walker: Fox McCloud
 * Mark Lund: Falco Lombardi
 * Grant Goodeve: Wolf O'Donnell
 * Takashi Nagasako: Donkey Kong
 * Katsumi Suzuki: Diddy Kong
 * Kyle Grove (kylgrv): Kyle the Otter
 * Kristen (wrightgirl11, last name unknown): Kristen the Otter
 * Benny J. Ross: Benny the Beast
 * Vincent Martella: Phineas Flynn
 * Thomas Sangster: Ferb Fletcher
 * Ashley Tisdale: Candace Flynn
 * Dee Bradley Baker: Perry the Platypus (Agent P) and various prehistoric monsters
 * Dan Povenmire: Dr. Heinz Doofenshritz
 * Matthew Broderick: Simba
 * Quinton Flynn: Timon
 * Ernest Sabella: Pumbaa
 * Alyson Stoner: Isabella Garcia-Shapiro, Jenny,
 * Anndi McAfee: Jelly Otter (replacing Jenell Brook Slack, because of growing up.)
 * Adam Rose: Peanut Otter
 * Gina Marie Tortorici: Baby Butter Otter
 * Patrick Seitz: Scorpion
 * Thomas Kretschmann: Hermann Fergelein
 * Tom Kenny: SpongeBob SquarePants, Eduardo, Dog, Ice King, Ryan "Sumo" Sumozski, and Rabbit
 * Bill Fagerbakke: Patrick Star
 * Jeremy Shada: Finn
 * John DiMaggio: Jake
 * J.G. Quintel: Mordecai
 * William Salyers: Rigby
 * Jacob Hopkins, and Logan Grove (archival recordings): Gumball Watterson
 * Terrell Ransom, Jr., and Kwesi Boakye (archival recordings): Darwin Watterson
 * Bret Iwan: Mickey Mouse
 * Russi Taylor: Minnie Mouse
 * Bill Farmer: Goofy and Pluto
 * Tony Anselmo: Donald Duck
 * Tress MacNeille: Daisy Duck
 * Markus Persson (Notch): Steve, Zombie and Enderman
 * Dane Boedigheimer: Orange, Pear, Midget Apple and Marshmellow
 * Robert Jennings: Grapefruit
 * Justine Ezarik: Passion Fruit
 * Kevin Brueck: Grandpa Lemon
 * Todd Haberkorn: Keroro
 * Brina Palencia: Tamama
 * Christopher Sabat: Giroro
 * Chuck Huber: Kululu
 * J. Michael Tatum: Dororo
 * Jason Adkins: Ike
 * Hikaru Midorikawa: Marth
 * Richard Steven Horvitz: Zim
 * Rosearik Rikki Simons: Gir
 * Andy Berman: Dib
 * Scott Menville: Robin
 * Tara Strong: Raven, Bubbles, and Timmy Turner
 * Hynden Walch: Starfire, Princess Bubblegum, and Viridi
 * Greg Cipes: Beast Boy
 * Khary Payton: Cyborg, and Rafiki
 * Jeff Bennett: Johnny Bravo
 * Jennifer Hale: Julie Herschbaum
 * Jim Cummings: Winnie the Pooh, Tigger, Cat
 * Rodger Bumpass: Squidward
 * Carolyn Lawrence: Sandy Cheeks
 * Clancy Brown: Mr. Krabs
 * Mr. Lawrence: Plankton
 * Keith Ferguson: Danny Phantom
 * Grey DeLisle: Sam Manson, Wubbzy, Daphne Blake, and Breakfast Princess
 * Madeline Peters: Littlefoot
 * Andi McAfee: Cera, and Jelly Otter
 * Will Ryan: Rabbit and Petrie
 * Aria Noelle Curzon: Ducky
 * Rob Paulsen: Spike
 * Mae Whitman: Sailor Moon
 * Lacey Chabert: Sailor Mercury
 * Vyvan Pham: Sailor Mars
 * Danica McKellar: Sailor Jupiter
 * Ashley Johnson: Sailor Venus
 * Kevin Michael Richardson: Various prehistoric monsters
 * John C. Reilly: Ralph
 * Sarah Silverman: Vanellope von Schweetz
 * Jack McBrayer: Irving and Fix-It Felix Jr.
 * Seth MacFarlene: Peter Griffin, Brain Griffin, and Stewie Griffin
 * Dan Castellaneta: Homer Simpson, Kodos
 * Julie Kanver: Marge Simpson
 * Nancy Cartwright: Bart Simpson
 * Yeardley Smith: Lisa Simpson
 * Harry Shearer: Kang
 * Zach Callison: Steven Universe
 * Estelle: Garnet
 * Michaela Dietz: Amethyst
 * Deedee Magno-Hall: Pearl
 * Grace Holek: Connie Maheswaran
 * Eden Sher: Star Butterfly
 * Adam McArthur: Marco Diaz
 * Alan Tudyk: Ludo
 * Roger Craig Smith: Sonic the Hedgehog, Thomas/Nikolai, and Belson
 * Spencer Rothbell: Clarence Wendell
 * Sean Giambrone: Jeff Randell

Trivia

 * Originally, it was going to be titled Super Smash Bros. Arena, but changed to Super Smash Bros. Ultimate MUGEN Battle Royalle, to make it more similar title to Super Smash Bros., MUGEN, and Playstation Battle Royale.
 * Jelly Otter will be voiced by Anndi McAfee, since Jelly's original voice actor "Jenell Brook Slack", grew up.
 * Pit's voice actress, was going to be Lani Minella, but later replaced by Antony Del Rio, due to the release of Kid Icarus: Uprising, which was released on March 23, 2012.
 * This will be the first fighting game to be published by Disney Interactive Studios.
 * This game will be similar to Mugen, another fighting game, where they feature crossovers.
 * Originally Captain Falcon, Snake, Pikmin, and Sonic the Hedgehog would not appear. But due to the recent launch of the new Super Smash Bros. for Wii U/3DS game, they're written to be added.
 * This will be the second Cartoon Network fighting game, the first was Cartoon Network: Punch Time Explosion.
 * This will be second Hitler Parody Fighting Games the first was Bunker Kombat.
 * The game was originally going to be on the Wii, but changed to Wii U, due to the new eighth-generation of video game consoles.
 * This is the 2nd game, in which Hynden Walch voices Princess Bubblegum, and Starfire (from Adventure Time, and Teen Titans Go! respectively), other then just Viridi from Kid Icarus series. The first being Super Smash Bros. from 3DS/Wii U.