Suggestions by @slurpcore

Conor McGregor

as Binky Barnes in Arthur: The New Generation

Score: +2

Pam Ferris

as Francine Frensky in Arthur: The New Generation

Score: +1

Conway Twitty

as Kate Read in Arthur: The New Generation

Score: +2

Michael Winslow

as Buster Baxter in Arthur: The New Generation

Score: +2

Christian Bale

as Po in Teletubbies: Doomed At The Day (2004 TV movie)

Score: +1

Frankenstein 1970

as Giovanni in Pokémon: Red and Blue

Score: 0

John Reilly

as Lorelei in Pokémon: Red and Blue

Score: 0

Kumail Nanjiani

as Sabrina in Pokémon: Red and Blue

Score: 0

David Blaine

as Blaine in Pokémon: Red and Blue

Score: 0

Dwayne Johnson

as Bruno in Pokémon: Red and Blue

Score: +1

Noah Munck

as Red in Pokémon: Red and Blue

Score: 0

Reed Alexander

as Blue in Pokémon: Red and Blue

Score: 0

Michael Cera

as Brock in Pokémon: Red and Blue

Score: 0

Bong Joon Ho

as Director in Pokémon: Red and Blue

Score: +1

Raven-Symoné

as Misty in Pokémon: Red and Blue

Score: 0

Daisy Ridley

as Daisy in Pokémon: Red and Blue

Score: +1