Kirby:
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1- Brown Kirby or Chocolate Kirby from Kirby Air Ride and Amazing Mirror.
2- Keeby/Yellow Kirby. Yup, it's possible to do it using Flash.
3- NES Kirby.
4- A mix of Shadow Kirby and Maskless Meta Knight.
Yoshi:
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1-Based on a Yoob.
2-Based on Purple Yoshi.
3-Based on Black Yoshi.
Black Mage:
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1- Not based on anything, just a cool "dark" costume.
2- Not based on anything.
3- Not based on anything
4- Based on a Red Mage.
Jigglypuff:
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1- Based on Cleffa.
2- Based on the monochromatic Game Boy, mimicking another of Pikachu's colors.
Meta Knight:
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1- Based on Sword Knight.
2- Based on the monochromatic Game Boy.
3- Based on Galacta Knight, Sir Galahad and Kirby.
4- Based on his appearance in Super Star Ultra.
5- Based on Sir Arthur from the anime.
Zero Suit Samus:
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1- Based on a mix of the SA-X and Fusion Suit's designs from Metroid Fusion.
2- Not based on Anything.
3- Based on the Zero Suit's appearance from Metroid Prime 2.
4- Based on the Justin Bailey Password from the original Metroid.
5- Based on her leothard from Metroid.

Kirby:
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1- Brown Kirby or Chocolate Kirby from Kirby Air Ride and Amazing Mirror.
2- Keeby/Yellow Kirby. Yup, it's possible to do it using Flash.
3- NES Kirby.
4- A mix of Shadow Kirby and Maskless Meta Knight.
Yoshi:
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1-Based on a Yoob.
2-Based on Purple Yoshi.
3-Based on Black Yoshi.
Black Mage:
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1- Not based on anything, just a cool "dark" costume.
2- Not based on anything.
3- Not based on anything
4- Based on a Red Mage.
Jigglypuff:
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1- Based on Cleffa.
2- Based on the monochromatic Game Boy, mimicking another of Pikachu's colors.
Meta Knight:
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1- Based on Sword Knight.
2- Based on the monochromatic Game Boy.
3- Based on Galacta Knight, Sir Galahad and Kirby.
4- Based on his appearance in Super Star Ultra.
5- Based on Sir Arthur from the anime.
Zero Suit Samus:
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1- Based on a mix of the SA-X and Fusion Suit's designs from Metroid Fusion.
2- Not based on Anything.
3- Based on the Zero Suit's appearance from Metroid Prime 2.
4- Based on the Justin Bailey Password from the original Metroid.
5- Based on her leothard from Metroid.

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1- Based on Wario.
2- Based on Fire Mario.
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1- Based on how Wario looked like in the Game Boy.
2- Based on Grand Dad Wicked Wario from Master of Disguise.
3- Based on Dragon Wario from Master of Disguise.
4- Based on how Wario looked like in the Virtual Boy.
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1- Based on Jody Summer a.k.a. Captain Fabulous.
2- Based on Pico.
3- Based on Black Shadow.
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1- Based on Paula.
2 & 3 - Based on the Flying Man. I can't decide which one to use though, I'm aiming for the latter.
4- Based on how Ness & co looked like after crashing when using PK Teleport. (No, this wasn't made Inverting the colors)
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All of them are based on Bomberman's Palettes in several of his games (Specifically Super BOmberman 2), so I'm gonna list more obscures inspirations.
1- Based on Bongo from Bomberman Jetters. (And on a Bomberman B-Daman toy I had as a child but I can't find any pics of it)
2- Based on Shout from Jetters and on Pretty Bomber from Bomberman GB.
3- Based on how he looked like in Wario Blast: Featuring Bomberman! (Bomberman GB in Japan). Also based on Ultraman.
4- Based on Birdy from Jetters and on the monochromatic GB.
5- Based on Max.
6- Based on Gangu from Jetters.
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1- Based on how he looked in the Manga.
2- Based on Shinobi.
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1- Based on Concept Art Meta Knight a.k.a. Beta Knight.
2- Based on how he looked like in Adventure.
3- Based on Dark Meta Knight.
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All 5 are Spray Paints from Amazing Mirror and Squeak Squad.
1- Based on Shadow Kirby.
2- Based on Cherry Kirby.
3- Based on Snow Kirby.
4- Based on Grape Kirby.
5- Based on Emeral Kirby.
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I made these 4 just for fun, don't take them too seriously:
1- Based on EVE from MOTHER / Earthbound Beginnings.
2- Not based on anything.
3- Based on the EVA-01 from Evangelion.
4- Based on Optimus Prime.
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1- Based on White Mage.
2- Based on Chocobo.

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1- Based on how she looked like in the DIC Mario Cartoons.
2- Based on Princess Daisy and on the Fuzzy Dress from Super Mario RPG.
3- Based on Pauline and on the Fire Dress from Super Mario RPG.
4- Based on Fire Peach and on the Royal Dress from Super Mario RPG.
5- Based on her Wedding Dress from Super Paper Mario.
6- Based on the Nautica Dress from Super Mario RPG.

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1- Based on one of his alternate colors from Mario Golf, and in a Red Koopa Shell.
2- Based off Morton Koopa Jr and Dry Bowser.
3- Based on a Golden Koopa from New Super Mario Bros 2.
4- Based on his artwork from Super Mario 64.
5- Based on King Koopa from the DIC Mario cartoons. Features yellow hair and is shinier than the current one in Beta.
6- Based on Dark Bowser from Bowser's Inside Story, the fake Bowsers from Lost Levels and on a Spiny Shell from Mario Kart.

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1- Based on Bad Boxart Megaman and in the Thunder Bolt weapon from Megamam 7.
2- Based on the Wild Coil weapon from Megaman 7.
3- Based on the Crash Bomber weapon from Megaman 2.

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1- Based on Ness's Nightmare from Earthbound.
2- Based on his green costume from Smash, a.k.a. El Chavo.
3- Based on the Gigantic Ant from Earthbound, also based on one of Magicant's flavors in Earthbound.
4- Based on Ninten's more vibrant colors in Earthbound Beginnings.
5- Based on Ness' younger self encountered in Magicant.
6- Based on Giygas from Earthbound and on EVE from Mother.

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1- Based on Link's Goron Tunic in Ocarina of Time.
2- A slightly more accurate version of Dark Link from Twilight Princess.
3- Based on Link's appearance when equipping the BLue Ring in Zelda I.
4- Based on Purple Link from Four Swords.

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1- Suit is based on James' McCloud, while the fur is based on Slippy's. Has shinier fur and more vibrant boots and scarf than the current one in 0.9b (I'm NOT requesting for the current green costume to be replaced, same for the blue one)
2- Based on Marcus McCloud, with shinier boots and more vibrant colors than the current blue version in 0.9b.
3- Based on his Dark Fox attire in Brawl and Sm4sh.
4- Based on Fey from Star Fox 2, and resembles an Artic Fox.
5- Based on Miyu from Star Fox 2 and in Melee's version of Fox.

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1- Based on the Dark Suit from Metroid Prime 2.
2- Based on the Light Suit from Metroid Prime 2.

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1- Based on her leotard from Super Metroid.
2- Based on one of her outfits from Fusion.

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1- Based on his appearance on Wrecking Crew. A.k.a. Gay Luigi.
2- Based on Foreman Spike from Wrecking Crew.
3- Based on Waluigi.
4- Based on Fire Luigi.

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1- Better version of my previous Wario costume.
2- Better version of my previous Fire Mario costume.
3- Based on Foreman Spike and on 1930s Cartoons.
4- Based on his appearance in Mario Maker and in Fire Mario from Super Mario Bros 3.
5- Based on Ice Mario from New Super Mario Bros Wii.