Yup, I'm doing this again!

Mario: The Man by Aloe Blanc
Donkey Kong: King Kong by LA Symphony
Link: War of Change by Thousand Foot Crutch
Samus: Trigger by Cryoshell
Dark Samus: Clones by Ash
Yoshi: Paper Moon by Nat King Cole
Kirby: Devour by Shinedown
Fox: Save World Get Girl by IFightDragons
Pikachu: Electric Feel by MGMT
Luigi: Ghosts n Stuff by Deadmau5
Ness: Rockin' the Suburbs by Ben Folds
Captain Falcon: Big Iron by Marty Robbins
Jigglypuff: Gimme Chocolate by Babymetal
Peach: Plastic Love by Mariya Takeuchi
Daisy: Cinderella by The Cheetah Girls
Bowser: Court of the Crimson King by King Crimson
Ice Climbers: My Walden by Nightwish
Shiek: Dead and Gone by TI
Zelda: Shine On you Crazy Diamond by Pink Floyyd
Dr. Mario: Doctor by Jack Stauber
Pichu: Little Wonder by David Bowie
Falco: Space Cowboy by Jamiroquai
Marth: Modern Crusaders by Enigma
Lucina: Asylum For the Feeling by Silent Poets
Young Link: The Touch by Stan Bush
Ganondorf: I'll Keep Coming by Low Roar
Mewtwo: Overcome by Creed
Roy: We're In This Together by Nine Inch Nails
Chrom: Ride by Presence
Mr. Game and Watch: Misfits and Mistakes by Superchunk
Meta Knight: Villain I'm Not by Three Days Grace
Pit: Learn to Fly by the Foo Fighters
Dark Pit: Who I Am by The Score
Zero Suit Samus: Stand my Ground by Within Temptation
Wario: Bad to the Bone by George Thorogood
Snake: You Know My Name by Chris Cornell
Ike: Legend by Jaroslav Beck feat. Backchat
Pokemon Trainer: All for Rock and Roll by Airbourne
Diddy Kong: Tarzan Boy by Baltimora
Lucas: Anywhere but Here by Man On Earth
Sonic: Tom Sawyer by Rush
King Dedede: Big Poppa by Biggie Smalls
Olimar: Cosmic Castaway by Electrasy
Lucario: Gold by Prince
ROB: Virtual Insanity by Jamiroquai
Toon Link: Ocean Man by Ween
Wolf: Animals by Maroon 5
Villager: Humility by Gorillaz
Mega Man: Neo Tokyo by Scandroid
Wii Fit Trainer: Canned Heat by Jamiroquai
Rosalina and Luma: All the Stars by Kendrick Lamarr feat. Sza
Little Mac: Roundabout by Yes
Geninja: Ninja Rap by Vanilla Ice
Mii Fighters: Nomab by Jeremy Renner
Palutena: Bye Bye Babylon by Cryoshell
Pac Man: Game On by Waka Flocka Flame feat. Good Charlotte
Robin: Wishmaster by Nightwish
Shulk: Diary of Jane by Three Days Grace
Bowser Jr: Courtesy Call by Thousand Foot Crutch
Duck Hunt: My Best Friend by Weezer
Ryu: What's Up Danger by Blackway and Black Caviar
Ken: Remember the Name by Fort Minor
Cloud: Leave Out All the Rest by Linkin Park
Corrin: Path by Apocalyptica
Bayonetta: Bad Girls by MKTO
Inkling: Red Flag by Billy Talent
Ridley: Venom by Eminem
Simon: The Last Stand by Sabaton
Richter: Wanderlust by Nightwish
King K Rool: King Nothing by Metallica
Isabelle: 1000 Miles by Vanessa Carlton
Incineroar: Eye of the Tiger by Survivor
Piranha Plant: Mean Green Mother from Outer Space by Levi Stubbs
Joker: Joker and the Thief by Wolfmother
Hero: Hero by Pegboard Nerds
Banjo and Kazooie: The Bear and the Maiden Fair by the Hold Steady
Terry: Badass by Saliva
Byleth: School of Rock by Jack Black
Sans (Mii Fighter): Nightmare by Avenged Sevenfold
Cuphead (Mii Fighter): Lone Digger by Caravan Palace

Min Min and other characters coming whenever Fighter Pass 2 is finished