Suggestions by @leonardmoney

Knuckles the Echidna

as Bill Watkins in Sonic The Hedgehog characters as Spy × Family characters

Ray the Flying Squirrel

as Emile Elman in Sonic The Hedgehog characters as Spy × Family characters

Marine the Raccoon

as Becky Blackbell in Sonic The Hedgehog characters as Spy × Family characters

Rouge the Bat

as Yor Forger in Sonic The Hedgehog characters as Spy × Family characters

Amy Rose

as Anya Forger in Sonic The Hedgehog characters as Spy × Family characters

Cream the Rabbit

as Anya Forger in Sonic The Hedgehog characters as Spy × Family characters

Espio the Chameleon

as Loid Forger in Sonic The Hedgehog characters as Spy × Family characters

Shadow the Hedgehog

as Loid Forger in Sonic The Hedgehog characters as Spy × Family characters

Professor Gerald Robotnik

as Franz Hopper in Sonic The Hedgehog characters as Code Lyoko characters

Charmy Bee

as Hiroki Ishiyama in Sonic The Hedgehog characters as Code Lyoko characters

Marine the Raccoon

as Tamiya Diop in Sonic The Hedgehog characters as Code Lyoko characters

Cream the Rabbit

as Milly Solovieff in Sonic The Hedgehog characters as Code Lyoko characters

Rouge the Bat

as Elisabeth "Sissi" Delmas in Sonic The Hedgehog characters as Code Lyoko characters

Dr. Eggman (Dr. Ivo Robotnik)

as X.A.N.A. in Sonic The Hedgehog characters as Code Lyoko characters

Shadow the Hedgehog

as William Dunbar in Sonic The Hedgehog characters as Code Lyoko characters

Amy Rose

as Yumi Ishiyama in Sonic The Hedgehog characters as Code Lyoko characters

Sonic the Hedgehog (Character)

as Odd Della Robbia in Sonic The Hedgehog characters as Code Lyoko characters

Knuckles the Echidna

as Ulrich Stern in Sonic The Hedgehog characters as Code Lyoko characters

Cosmo the Seedrian

as Aelita Schaeffer in Sonic The Hedgehog characters as Code Lyoko characters

Blaze the Cat

as Aelita Schaeffer in Sonic The Hedgehog characters as Code Lyoko characters