Sonic/My Little Pony

Sonic/My Little Pony

Version 1 (by FirePuppy)

 * Amy Rose as Twilight Sparkle
 * Sally Acorn as Rainbow Dash (both are female counterparts to Sonic the Hedgehog)
 * Rouge as Pinkie Pie (both are flirtatious and playful)
 * Blaze as Rarity
 * Bunnie as Applejack
 * Cream as Fluttershy
 * Kirby (from Kirby) as Spike
 * Sonic as Flash Sentry
 * Shadow as Trixie
 * Charmy as Apple Bloom
 * Marine as Sweetie Belle
 * Tails as Scootaloo
 * Sticks as Babs Seed
 * Vanilla as Princess Celestia
 * Lady Like (from Kirby) as Princess Luna
 * Meta Knight (from Kirby) as Shining Armor
 * Commander Vee (from Kirby) as Princess Cadance
 * Silver as Prince Blueblood
 * Rosie the Nanny as Granny Smith
 * Breezie as Sunset Shimmer
 * Dr. Eggman as Discord
 * Mephiles as King Sombra
 * Rotor as Big Macintosh
 * Antoine as Braeburn
 * Knuckles as Cheese Sandwich (both are engaged with Rouge and Pinkie Pie)
 * Scratch as Snips
 * Grounder as Snails
 * Sleet and Dingo as the Flim Flam Brothers
 * Anti-Sally as Adagio Dazzle
 * Fiona Fox as Aria Blaze
 * Rosy the Rascal as Sonata Dusk
 * Mabel (from Kirby) as Zecora
 * Sirica (from Kirby) as Maud Pie

UPDATED 9/15/2015

Version 2 (by Nephelodeon)

 * Sally Acorn as Twilight Sparkle (both are intelligent princesses)
 * Sonic the Hedgehog as Rainbow Dash (both are speedy)
 * Amy Rose as Pinkie Pie (both are pink and cheerful)
 * NICOLE the Holo-Lynx as Rarity
 * Bunnie Rabbot as Applejack (both are strong country girls)
 * Antoine D'Coolette as Fluttershy (both are nervous)
 * Miles 'Tails' Prower as Spike
 * Shahra the Ring Genie as Princess Celestia
 * Merlina the Wizard as Princess Luna (Both have a dark side to them and are the first major female villains)
 * Dr. Ivo 'Eggman' Robotnik as Discord (Both are popular major villains and excellent sources for comedy)
 * The Iron Queen as Queen Chrysalis
 * Black Doom as King Sombra
 * Walter Naugus as Tirek
 * Lien-Da the Echidna as Starlight Glimmer
 * Rotor Walrus as Big Macintosh
 * Rosie Woodchuck as Granny Smith
 * Marine the Raccoon as Apple Bloom
 * Cream the Rabbit as Sweetie Belle
 * Chip as Scootaloo
 * Sticks the Badger as Babs Seed
 * Scratch and Grounder as Diamond Tiara and Silver Spoon
 * Coconuts and Bokkun as Snips and Snails
 * Elias Acorn as Shining Armor
 * Megan Acorn as Princess Cadence
 * Fastidious Beaver as Prince Blueblood
 * U.T. as Owlicious
 * Ben 'The Mutt' Muttski as Tank
 * Buster the Cluster Bot as Gummy
 * Cheese as Opal
 * Lily as Winona
 * Ricky as Angel
 * T-Pup as Peewee
 * Dulcy the Dragon as Cheerilee
 * Tommy Turtle as Steven Magnet
 * Tikal the Echidna as Zecora
 * Charmy Bee as Pipsqueak
 * Chris Thorndyke as Featherweight
 * Saffron Bee as Twist
 * Helen as Zipporwhill
 * Heavy and Bomb as Hoops and Dumb-bell
 * The Destructix as the Diamond Dogs
 * The Deadly Six as the Teenage Dragons
 * Soar the Eagle as Iron Will (both are motivational speakers)
 * Rob o' the Hedge as Daring Do
 * Mammoth Mogul as Ahuizotl
 * Dr. Finitevus as Dr. Caballeron
 * Stealth the Hedgehog as the Mysterious Mare-Do-Well
 * Grimer as the Mane-iac
 * Mayor Fink as Mayor Mare
 * Locke as Chief Thunderhooves
 * Julie-Su the Echidna as Little Strongheart
 * Knuckles the Echidna as Braeburn
 * Fiona Fox as Gilda
 * Shadow the Hedgehog as Lightning Dust
 * Rouge the Bat as Suri Polomare
 * Nack the Weasel as the Great and Powerful Trixie
 * Bean the Dynamite and Bark the Polar Bear as The Flim Flam Brothers
 * Breezie the Hedgehog as Sunset Shimmer
 * Jet the Hawk as Adagio Dazzle
 * Wave the Swallow as Aria Blaze
 * Storm the Albatross as Sonata Dusk
 * Monkey Khan as Flash Sentry
 * Vector the Crocodile as DJ-Pon3
 * Espio the Chameleon as Octavia Melody
 * Mighty the Armadillo as Sweetie Drops
 * Ray the Flying Squirrel as Lyra Heartstrings
 * Honey the Cat as Minuette
 * Tiara the Manx as Berry Punch
 * Dr. Julian Snively as Screwball
 * Big the Cat as Derpy
 * Cosmo the Seedrian as Dinky
 * Blaze the Cat as Roseluck
 * Silver the Hedgehog as Time Turner
 * Hayward as Golden Harvest
 * Mina Mongoose as Sapphire Shoes
 * The Speed Team as the Wonderbolts
 * Matilda the Armadillo as Maud Pie
 * Shard as Trenderhoof
 * Coral the Betta as Coco Pommel
 * Griff as Cheese Sandwich
 * Yacker as Seabreeze
 * Lucas as Silver Shill
 * Johnny Lightfoot as Double Diamond
 * Porker Lewis as Party Favor
 * Shortfuse the Cybernik as Night Glider
 * Tekno the Canary as Sugar Belle
 * Chaos as the Smooze
 * Hershey Cat as Tree Hugger
 * Geoffrey St. John as Scorpan
 * The Oracle of Delphius as Starswirl the Bearded

Version 3

 * Cream as Twilight Sparkle
 * Charmy Bee as Spike
 * Rouge as Rarity
 * Cosmo as Fluttershy
 * Amy Rose as Pinkie Pie
 * Wave as Rainbow Dash
 * Tikal as Applejack
 * Fiona as Sunset Shimmer
 * Scourge as Flash Sentry
 * Tails as Braeburn
 * Jet as Soarin
 * Knuckles as Cheese Sandwich
 * Shadow as Caramel
 * Sonic as Comet Tail
 * Princess Gwendolyn as Princess Celestia
 * Sally Acorn as Princess Luna
 * Bunnie Rabbot as Princess Cadence

Version 4
Same as version 2 (because it's almost perfect) except


 * Maxamillian Acorn as Night Light
 * Twilight Velvet as Alicia Acorn
 * Jules the Hedgehog as Rainbow Blaze
 * Vanilla as Cookie Crumbles
 * Sonia as Flitter
 * Manic as Cloudchaser
 * Zooey as Liza Doolots
 * Galaxena as Amethyst Star
 * ??? as Mr. Carrot Cake (feel free to edit this and the other Cakes)
 * ??? as Mrs. Cup Cake
 * ??? as Pound Cake
 * ??? as Pumpkin Cake