Suggestions by @tylorwilliams1

Edward Bosco

as The Joker in Batman: Caped Crusader

Score: +1

Amir Talai

as The Joker in Batman: Caped Crusader

Score: -1

Blake Roman

as Jason Todd/Robin (Death day) in Batman: Caped Crusader

Score: +1

Ashleigh Ball

as Jason Todd/Robin (Young) in Batman: Caped Crusader

Score: +1

Frank Welker

as Megatron in Transformers

Score: +1

Josh Keaton

as Soundwave in Transformers

Score: +1

John Turturro

as Seymour Simmons in Transformers

Score: +1

Neil Patrick Harris

as Starscream in Transformers

Score: +1

Tom Kenny

as Bitstream in Transformers

Score: +1

Amir Talai

as Jetfire in Transformers

Score: +1

J.K. Simmons

as Barricade in Transformers

Score: +1

Dante Basco

as Cliffjumper in Transformers

Score: +1

Yuri Lowenthal

as Wheeljack in Transformers

Score: +1

Robert Downey Jr.

as Wheeljack in Transformers

Score: -1

Michael B. Jordan

as Jazz in Transformers

Score: +1

Jeffery Combs

as Ratchet in Transformers

Score: +1

Jess Harnell

as Iron Hide in Transformers

Score: +1

Mae Whitman

as Arcee in Transformers

Score: +1

Peter Cullen

as Optimus Prime in Transformers

Score: +2

Tobey Maguire

as Chip Chase in Transformers

Score: +1