Suggestions by @Anicomicgeek

John Wesley Shipp

as Jay Garrick/The Flash I in Voices You Can't Unhear

Campbell Lane

as Skeletor in Voices You Can't Unhear

Brian Dobson

as Skeletor in Voices You Can't Unhear

Ben Diskin

as Skeletor in Voices You Can't Unhear

Frank Langella

as Skeletor in Voices You Can't Unhear

Mark Hamill

as Skeletor in Voices You Can't Unhear

Matthew Yang King

as Liu Kang in Voices You Can't Unhear

Fred Tatasciore

as Generald Thunderbolt Ross/Red Hulk in Voices You Can't Unhear

Robin Atkin Downes

as Annihilus in Voices You Can't Unhear

Scott McNeil

as Annihilus in Voices You Can't Unhear

Bayardo De Murguia

as Sub-Zero in Voices You Can't Unhear

Ron Yuan

as Sub-Zero in Voices You Can't Unhear

Fred Tatasciore

as Shao Kahn in Voices You Can't Unhear

James Arnold Taylor

as Samuel Sterns/Leader in Voices You Can't Unhear

Ben Diskin

as Samuel Sterns/Leader in Voices You Can't Unhear

William Salyers

as The Penguin in Voices You Can't Unhear

Elias Toufexis

as The Penguin in Voices You Can't Unhear

George Eads

as Barry Allen/The Flash II in Voices You Can't Unhear

Justin Chambers

as Barry Allen/The Flash II in Voices You Can't Unhear

Hunter Parrish

as Wally West/Kid Flash I/The Flash III in Voices You Can't Unhear