Suggestions by @lindawilson

Kevin Michael Richardson

as Aaron Cash in Batman Animated Arkham

Score: +1

Robert Englund

as Scarecrow in Batman Animated Arkham

Score: +1

Tom Kenny

as Penguin in Batman Animated Arkham

Score: +1

Will Friedle

as Red Hood in Batman Animated Arkham

Score: +1

Charlie Adler

as Carmine Falcone in Batman Animated Arkham

Score: 0

Dee Bradley Baker

as Man-Bat in Batman Animated Arkham

Score: +1

Jim Cummings

as Killer Croc in Batman Animated Arkham

Score: 0

Drake Bell

as Robin in Batman Animated Arkham

Score: 0

Tara Strong

as Batgirl in Batman Animated Arkham

Score: +1

Tom Kane

as Alfred Pennyworth in Batman Animated Arkham

Score: 0

John Goodman

as Commissioner Gordon in Batman Animated Arkham

Score: 0

John Kassir

as Joker in Batman Animated Arkham

Score: -2

Billy Dee Williams

as Two-Face in Batman Animated Arkham

Score: 0

Kevin Conroy

as Batman in Batman Animated Arkham

Score: -1

Sam Hamm

as Writer in The Perfect Batman Movie (1999)

Score: +1

Chris Columbus

as Producer in The Perfect Batman Movie (1999)

Score: +1

Danny Elfman

as Composer in The Perfect Batman Movie (1999)

Score: +1

Tim Burton

as Director in The Perfect Batman Movie (1999)

Score: +1

Gabriel Bateman

as Andy Barclay in Joker and Chucky

Score: +1

Christian Bale

as Batman in Joker and Chucky

Score: +1