Super Smash Bros. Ultimate: Fanon Edition

This is the same as the official game, but with more characters & spirits.

Super Mario Bros.

 * Mario (Charles Martinet): A short, pudgy, Italian but determined & cheery plumber who resides in the Mushroom Kingdom, his adventures generally center upon rescuing Peach from Bowser.
 * Neutral Special: Fireball
 * Side Special: Cape
 * Up Special: Super Jump Punch
 * Down Special: F.L.U.D.D.
 * Final Smash: Mario Finale
 * Luigi (Charles Martinet): The slightly younger but taller fraternal twin brother of Mario who acts as his sidekick & goes ghost-hunting sometimes.
 * Neutral Special: Fireball
 * Side Special: Green Missile
 * Up Special: Super Jump Punch
 * Down Special: Luigi Cyclone
 * Final Smash: Poltergust 500

Godzilla

 * Godzilla: A Dinosaur-like Kaiju created from the nuclear bombings of Hiroshima & Nagasaki & the Lucky Dragon 5 incident still being fresh in the Japanese consciousness & a metaphor about the consequences for using nuclear weapons to destroy your enemies & end wars faster.
 * Neutral Special: Claw Strike Combo
 * Side Special: Blue Atomic Ray
 * Up Special: Godzilla's Flight
 * Down Special: Tail Slam
 * Final Smash: Almighty Red Beam

NieR: Automata

 * YoRHa No.2 Type-B/2B (Kira Buckland): A female android created by the YoRHa organization sent to Earth to fight against the Machines who have invaded & drove humanity out of the planet.
 * Neutral Special: Pod 042 Support
 * Side Special: Dash
 * Up Special: Pod 042 Recovery
 * Down Special: Light Blades
 * Final Smash: Self-Destruction Command

Spawn

 * Spawn (Keith David): A hellspawn who was a former highly trained marine Albert Francis "Al" Simmons that was double-crossed & killed by Jason Wynn only to make a deal of Malebolgia in exchange of his soul to come back.
 * Neutral Special: Necro Blast
 * Side Special: Double Cartwheel
 * Up Special: Levitation
 * Down Special: Triple Low Kick
 * Final Smash: Omega Spawn

Ruby Gloom

 * Ruby Gloom (Sarah Gadon): The owner of the Gloomsville mansion & there isn't a single thing in the world that gets her down or a single negative that she can't turn into a positive.
 * Neutral Special: Heart Blasts
 * Side Special: Déjà vu
 * Up Special: Invisible Platform
 * Down Special: Doom Kitty
 * Final Smash: Bright Side of the Dark Side

Spirits
Characters who lost their bodies because of Gallem & were transformed into spirits.

Super Mario Bros.

 * Antasma: An evil bat king with a Slavic accent who was a normal bat living on Pi'illo Island who fed on the nightmares of a Pi'illo & continued to feed on more nightmares afterwards.
 * Bloopers: Squid-like creatures who were part of Bowser’s Army.
 * Boos: Ghosts that are part of Bowser’s Army.
 * Boom Boom & Pom Pom: Brother & sister Koopas who either fight together or separately.
 * Bullet Bills: Sentient bullets that were part of Bowser’s Army.
 * Cat Peach: Peach after ingesting a cat bell.
 * Cappy: A sentient hat-like creature who helps Mario rescue Peach & his sister Tiara.
 * Chain-Chomp: A sentient ball-and-chains that act like a dog.
 * Chargin’ Chucks: Koopas that resembles football players.
 * Daisy: A princess from the neighboring Sassafrasland.
 * Dry Bowser: Bowser's sentient skeleton.

Godzilla

 * Mothra: A giant Moth-like Kaiju whose 1 of Godzilla’s on again off again allies.
 * King Ghidorah: Godzilla’s 3-headed Kaiju nemesis.
 * Angurius: An Ankylosaurus-like Kaiju who was the 1st monster Godzilla fought.
 * Rodan: A Pteranodon-like Kaiju who, like Mothra, is 1 of Godzilla’s on again off again allies.

NieR: Automata

 * YoRHa No.9 Type Scanner/9S: A scanner type android who served during the 14th Machine War.
 * YoRHa Type Attacker No.2/A2: A prototype model YoRHa android that was used in order to create 2B & 9S.

Spawn

 * Clown/The Violator: A constant tormentor & Spawn’s nemesis, pushing him to use his powers for the benefit of Hell.
 * Malebolgia: Spawn's former master who serves as one of the major Lords of Hell.
 * Jason Wynn: Former CIA director & Al’s superior that gave the order to kill him.

Ruby Gloom

 * Iris: Ruby’s best friend who also goes through life without a care in the world as she finds adventure instead of optimism.