Suggestions by @sansyboi

Brendan Fraser

as Sans in Undertale

Score: +5

Bill Skarsgård

as Eclipso in DCEU Rebooted

Score: +3

Seán McLoughlin

as Banshee in MCU Generation X

Score: 0

Brendan Fraser

as Benjamin Franklin in Adams vs. Jefferson

Score: +1

Michael Douglas

as George Washington in Adams vs. Jefferson

Score: +1

Ewan McGregor

as Thomas Jefferson in Adams vs. Jefferson

Score: +1

Patton Oswalt

as John Adams in Adams vs. Jefferson

Score: +1

Patton Oswalt

as John Adams in The founding fathers

Score: +1

Dave Bautista

as Bane in The Perfect Batman Movie (Without Using The Original Actors)

Score: +3

Sofia Boutella

as Catwoman in The Perfect Batman Movie (Without Using The Original Actors)

Score: +3

Imogen Poots

as Harley Quinn in The Perfect Batman Movie (Without Using The Original Actors)

Score: +4

Tom Ellis

as Batman in The Perfect Batman Movie (Without Using The Original Actors)

Score: -1

Tom Sturridge

as Richard Swift in The Shade

Score: +2

Bryan Cranston

as Giovanni in Pokémon: Red and Blue

Score: +1

Terry Crews

as Bruno in Pokémon: Red and Blue

Score: +2

George Takei

as Mr. Fuji in Pokémon: Red and Blue

Score: +1

Karen Fukuhara

as Erika in Pokémon: Red and Blue

Score: +1

John Cena

as Lt. Surge in Pokémon: Red and Blue

Score: +2

Cobie Smulders

as Red's mom in Pokémon: Red and Blue

Score: +1

Sadie Sink

as Misty in Pokémon: Red and Blue

Score: 0