Suggestions by @goj1ra

Teddy Sears

as Iron Patriot in Iron Man: An Animated Series

Score: +1

Warwick Davis

as Appa Ali Apsa in Green Lantern: An Animated Series

Score: +1

Ian Hart

as Vulko in Aquaman: An Animated Series

Score: +1

David Kaufman

as Flash I in Superman: An Animated Series

Score: +1

Josh Brener

as Flash II in Teen Titans: An Animated Series

Score: +1

David Rasche

as Trigon in Teen Titans: An Animated Series

Score: +1

Scott Bakula

as Absorbing Man in Hulk: An Animated Series

Score: +1

Chris Sullivan

as Abombination in Hulk: An Animated Series

Score: +1

No Voice Actor

as Krakoa in X-Men: An Animated Series

Score: +1

Jackie Earle Haley

as Red Hulk in Hulk: An Animated Series

Score: +1

Paul Eiding

as Mad Thinker in Fantastic Four: An Animated Series

Score: +1

Darin De Paul

as Ronan the Accuser in Fantastic Four: An Animated Series

Score: +1

Kevin McDonald

as The Detachable Kid in Batman: An Animated Series

Score: +1

April Winchell

as Silver Sable in Spider-Man: An Animated Series

Score: +1

Natalie Palamides

as Grail in Wonder Woman: An Animated Series

Score: +1

Kaitlyn Robrock

as Golden Glider in Flash: An Animated Series

Score: +1

James Adomian

as Gillian B. Loeb in Batman: An Animated Series

Score: +1

Brian Maillard

as Sugar Man in X-Men: An Animated Series

Score: +1

Will Friedle

as Red Arrow in Green Lantern: An Animated Series

Score: +1

Justin Felbinger

as Red Robin in Teen Titans: An Animated Series

Score: +1