Suggestions by @leonardmoney

Shadow the Hedgehog

as Scar in If Sonic The Hedgehog Characters played Fullmetal Alchemist Characters

Knuckles the Echidna

as Scar in If Sonic The Hedgehog Characters played Fullmetal Alchemist Characters

Vector the Crocodile

as Alex Louis Armstrong in If Sonic The Hedgehog Characters played Fullmetal Alchemist Characters

Amy Rose

as Winry Rockbell in If Sonic The Hedgehog Characters played Fullmetal Alchemist Characters

Knuckles the Echidna

as Roy Mustang in If Sonic The Hedgehog Characters played Fullmetal Alchemist Characters

Shadow the Hedgehog

as Roy Mustang in If Sonic The Hedgehog Characters played Fullmetal Alchemist Characters

Miles "Tails" Prower

as Alphonse Elric in If Sonic The Hedgehog Characters played Fullmetal Alchemist Characters

Sonic the Hedgehog (Character)

as Edward Elric in If Sonic The Hedgehog Characters played Fullmetal Alchemist Characters

Naruto Uzumaki

as Leonardo in Naruto Characters as Ninja Turtles Characters

Shikamaru Nara

as Donatello in Naruto Characters as Ninja Turtles Characters

Alex Pettyfer

as Zeke Jaeger in Attack on Titan (Shingeki no Kyojin) (Live Action)

April O'Neil

as Colleen O'Shaughnessey in What characters would you like to hear voice actors voice?

Aang

as Maile Flanagan in What characters would you like to hear voice actors voice?

Dib Membrane

as Nancy Cartwright in What characters would you like to hear voice actors voice?

Konata Izumi

as Nancy Cartwright in What characters would you like to hear voice actors voice?

Lisa Loud

as Nancy Cartwright in What characters would you like to hear voice actors voice?

Monkey D. Luffy

as Nancy Cartwright in What characters would you like to hear voice actors voice?

Charmy Bee

as Nancy Cartwright in What characters would you like to hear voice actors voice?

Silver the Hedgehog

as Kyle McCarley in What characters would you like to hear voice actors voice?

Raphael (TMNT)

as Kellen Goff in What characters would you like to hear voice actors voice?