Suggestions by @tdk0403

Scott McNeil

as Van Hohenheim in Fullmetal Alchemist

Bryce Papenbrook

as Edward Elric in Fullmetal Alchemist

David Kaye

as Dimitri in Knuckles Chaotix

Richard Ian Cox

as Lightning Linx in Knuckles Chaotix

Rob Paulsen

as Predator Hawk in Knuckles Chaotix

Christopher R. Sabat

as Sergent Siman in Knuckles Chaotix

Frank Welker

as Bomb in Knuckles Chaotix

Corey Burton

as Heavy in Knuckles Chaotix

Mark Hamill

as Renifeild the Rodent in Knuckles Chaotix

Jonathan Frakes

as Loke in Knuckles Chaotix

Ray Stevenson

as Achimedes in Knuckles Chaotix

Johnny Yong Bosch

as Mighty the Armidillo in Knuckles Chaotix

Colleen O'Shaughnessey

as Charmy Bee in Knuckles Chaotix

Troy Baker

as Espio the Chameleon in Knuckles Chaotix

Will Smith

as Vector the Crocodile in Knuckles Chaotix

Keith David

as Mamoth Mongul in Knuckles Chaotix

Ryan Drummond

as Metal Sonic in Knuckles Chaotix

Trey Parker

as Crabmeat in Knuckles Chaotix

Travis Willingham

as Knuckles the Echidna in Knuckles Chaotix

Vic Mignogna

as Snivley Robotnik in Knuckles Chaotix