Sonic/Mario

Cast

 * Sonic as Mario
 * Amy as Luigi (Amy and Luigi are both Wise and Kind)
 * Tails as Yoshi (Tails and Yoshi are both young and cute sidekicks)
 * Princess Elise as Peach
 * Princess Blaze as Daisy
 * Breezie as Birdo
 * Chip as Toad
 * Knuckles as Wario
 * Silver as Waluigi
 * Dr. Eggman as Bowesr
 * Charmy as Oogtar
 * Uncle Chuck as Toadsworth
 * Vector as Donkey Kong
 * Robotnik Jr. as Diddy Kong

Version 2 (by StarFleet)

 * Sonic as Mario
 * Shadow as Yoshi
 * Amy as Luigi
 * Elise as Princess Peach
 * Blaze as Princess Daisy
 * Big as Pianta
 * Knuckles as Wario
 * Rouge as Candy Kong
 * E-123 Omega as Petey Piranha
 * Silver as Waluigi
 * Maria Robotnik as Princess Rosalina
 * Vector as Donkey Kong
 * Espio as Funky Kong
 * Cream as Tiny Kong
 * Charmy as Diddy Kong
 * Mighty as Red Yoshi
 * Ray as Yellow Yoshi
 * Dr. Eggman as Bowser
 * Metal Sonic as Bowser Jr