Mario/Sonic X

Cast

 * Mario as Sonic (both the main heroes)
 * Yoshi as Tails (both the youngest)
 * Birdo as Amy (both pink and girlfriend to Yoshi and Tails)
 * Luigi as Knuckles (both best friend to Mario and Sonic)
 * Toadette as Cream (Cream's voice suits Toadette)
 * Rosalina as Cosmo (Cosmo's voice suits Rosalina)
 * Yoshi Kid as Cheese (Yoshi Kid voice suits Cheese)
 * Poople as Shadow (both stubborn)
 * Peach as Rouge
 * Donkey Kong as Vector (both big and strong)
 * Funky Kong as Espio (Espio's voice suits Funky Kong)
 * Diddy Kong as Charmy (Charmy's voice suits Diddy Kong)
 * Candy Kong as Vanilla (both crush to Donkey Kong and Vector)
 * Petey Pirahna as Big (Big's voice suits Petey Pirahna)
 * Bowser as Dr. Eggman (both the main villains)
 * Lemmy "Hip" Koopa as Decoe
 * Iggy "Hop" Koopa as Bocoe
 * Larry "Cheatsy" Koopa as Bokkun
 * Morton "Big Mouth" Koopa as Lucky
 * Baby Mario as Chris Thronyke (Chris's voice suits Baby Mario)
 * Baby Peach as France Thronyke (Frances's voice suits Baby Peach)
 * Baby Yoshi as Danny Thronyke (Danny's voice suits Baby Yoshi)
 * Baby Daisy as Helen Thronyke (Helen's voice suits Baby Daisy)
 * Wario as Nelson Thronyke
 * Daisy as Lindsey Thronyke
 * Cranky Kong as Chuck Thronyke
 * James Blonde as Mr. Tanaka (Mr. Tanaka voice suits James Blonde)
 * Detective Herlock Solmes as Mr. Stewart (Mr. Stewart voice suits Detective Herlock Solmes
 * Smithy as Sam Speed
 * Flurrie as Ella
 * Tiny Kong as Tikal
 * Pewey Pirahna as Chaos 0
 * King R. Rool as Pachcamac
 * Baby Yoshi as E-102 Gamma