Suggestions by @andrewstovall

Jack Nicholson

as Joker in Batman Triumphant (1999)

Score: +1

Billy Dee Williams

as Two face in Batman Triumphant (1999)

Score: +1

Michelle Pfeiffer

as Catwomen in Batman Triumphant (1999)

Score: +1

Arnold Schwarzenegger

as Mr Freeze in Batman Triumphant (1999)

Score: +1

Robin Williams

as The Riddler in Batman Triumphant (1999)

Score: +1

Tim Burton

as Director in Batman Triumphant (1999)

Score: +1

Michael Keaton

as Batman in Batman Triumphant (1999)

Score: +1

Charles Martinet

as Mario in The Super Mario Bros. Movie

Score: +1

Henry Cavill

as white General in Spy vs Spy the Movie

Score: +1

Jack Black

as Black General in Spy vs Spy the Movie

Score: +2

Ida Nowakowska

as Gray Spy in Spy vs Spy the Movie

Score: +2

Tim Allen

as Buzz Lightyear in Lightyear in-universe cast

Score: 0

Tom Kenny

as Cuddles in Happy Tree Friends Characters if They Talked

Score: +1

Splendid (Happy Tree Friends)

as Splendid in Happy tree friends

Score: -1