Suggestions by @ benjombunud

Frank Oz

as Yoda in Star Wars: The Thrawn Saga

Tom Kane

as Admiral Ackbar in Star Wars: The Thrawn Saga

Ashley Eckstein

as Ahsoka Tano in Star Wars: The Thrawn Saga

+2-1Score: +1

Misty Lee

as Princess Leia in Star Wars: The Thrawn Saga

+1-1Score: 0

Matt Lanter

as Anakin Skywalker in Star Wars: The Thrawn Saga

+2-1Score: +1

Maurice LaMarche

as Birdperson in Rick and Morty (1990's)

Robert Englund

as Scary Terry in Rick and Morty (1990's)

+3-1Score: +2

Tim Curry

as The Devil in Rick and Morty (1990's)

Bret Iwan

as Mickey Mouse in The Contractual Spider-Man

Trey Parker

as Mickey Mouse in The Contractual Spider-Man

Jason Marsden

as The Deep in Vought: Tournament of Heroes Game

Pauly Shore

as Owlman in The WORST Batman Movie

Bill Maher

as Hamilton Hill in The WORST Batman Movie

Steve Blum

as Ground Hawk in Vought: Tournament of Heroes Game

Peter Jessop

as Mind-Droid in Vought: Tournament of Heroes Game

Laura Bailey

as Crimson Countess in Vought: Tournament of Heroes Game

+4-0Score: +4

Creature Voice Effects

as Swatto in Vought: Tournament of Heroes Game

Langston Kerman

as Eagle The Archer in Vought: Tournament of Heroes Game