Suggestions by @spenn

Jennifer Saunders

as Bayonetta in Super Smash Brothers

Score: +1

Idris Elba

as Wolf O'Donnell in Super Smash Brothers

Score: +1

Patrick Warburton

as Wilbur in Animal Crossing: The Animated Series

Score: +2

Alan Tudyk

as Orville in Animal Crossing: The Animated Series

Score: 0

Wanda Sykes

as Baabara in Animal Crossing: The Animated Series

Score: 0

Ray Romano

as Raymond in Animal Crossing: The Animated Series

Score: 0

Kevin Michael Richardson

as K.K. Slider in Animal Crossing: The Animated Series

Score: +2

Jacob Tremblay

as Timmy in Animal Crossing: The Animated Series

Score: 0

Will Arnett

as O'Chunks in Super Paper Mario: The Movie (2007)

Score: +1

Charlie Day

as Luigi/Mr. L in Super Paper Mario: The Movie (2007)

Score: +1

Chris Pratt

as Mario in Super Paper Mario: The Movie (2007)

Score: +1

Keegan-Michael Key

as Toad in Super Paper Mario: The Movie (2007)

Score: +2

Anya Taylor-Joy

as Princess Peach in Super Paper Mario: The Movie (2007)

Score: +3

Kristen Schaal

as Mimi in Super Paper Mario: The Movie (2007)

Score: +1

Jemaine Clement

as Dimentio in Super Paper Mario: The Movie (2007)

Score: +1

John Leguizamo

as Waluigi in Super Mario movie 2

Score: +1

Danny DeVito

as Wario in Super Mario movie 2

Score: +6