Suggestions by @lindawilson

Brad Dourif

as The Joker in Joker and Chucky

Score: +1

Mark Hamill

as Chucky in Joker and Chucky

Score: +1

Anthony Daniels

as Alfred Pennyworth in The Perfect Batman Movie (1999)

Score: +1

Chris O'Donnell

as Nightwing/Dick Grayson in The Perfect Batman Movie (1999)

Score: +1

Macaulay Culkin

as Robin/Tim Drake in The Perfect Batman Movie (1999)

Score: +1

Kirsten Dunst

as Oracle/Barbara Gordon in The Perfect Batman Movie (1999)

Score: +3

Danny DeVito

as The Penguin/Oswald Cobblepot in The Perfect Batman Movie (1999)

Score: +2

Billy Dee Williams

as Two-Face/Harvey Dent in The Perfect Batman Movie (1999)

Score: +1

Mark Hamill

as Detective Harvey Bullock in The Perfect Batman Movie (1999)

Score: +1

John Goodman

as Commissioner Gordon in The Perfect Batman Movie (1999)

Score: +1

Kath Soucie

as Harley Quinn/Harleen Quinzel in The Perfect Batman Movie (1999)

Score: +1

Robert Englund

as The Scarecrow/Johnathan Crane in The Perfect Batman Movie (1999)

Score: +1

Steve Buscemi

as The Riddler/Edward Nigma in The Perfect Batman Movie (1999)

Score: +1

Brad Dourif

as The Joker in The Perfect Batman Movie (1999)

Score: +1

Michael Keaton

as Batman/Bruce Wayne in The Perfect Batman Movie (1999)

Score: +1

Kevin Conroy

as Batman in Zack Snyder's Robot Chicken DC Comics Special

Score: +3

Kaley Cuoco

as Tiffany Valentine in Robot Chicken Season 12

Score: +1

Mark Hamill

as Chucky in Robot Chicken Season 12

Score: +1

Gabriel Bateman

as Andy Barclay in Robot Chicken Season 12

Score: +2

Ethan Hampson

as Ethan Hampson (himself) in Robot Chicken Season 12

Score: +1