Suggestions by @fenneclord

Shameik Moore

as Miles Morales earth 1610 in Spider-Verse

Score: +2

Tom Holland

as Peter Parker Earth 199999 in Spider-Verse

Score: +2

Aidan Gallagher

as Robin in DCEU Fancast

Score: +1

Dacre Montgomery

as Jason Todd in INJUSTICE (DCEU)

Score: +5

Aubrey Plaza

as Rachel Roth in INJUSTICE (DCEU)

Score: -3

Tom Kenny

as Yoshi in Super Mario Bros

Score: +2

Patton Oswalt

as Toad in Super Mario Bros

Score: +1

Ben Stiller

as Waluigi in Super Mario Bros

Score: +3

Jack Black

as Wario in Super Mario Bros

Score: 0

Natalie Portman

as Daisy in Super Mario Bros

Score: 0

Taylor Swift

as Peach in Super Mario Bros

Score: +3

Adam Driver

as Luigi in Super Mario Bros

Score: +1

Oscar Isaac

as Mario in Super Mario Bros

Score: +1

Jacob Tremblay

as Diddy Kong in Donkey Kong

Score: +2

Andy Serkis

as King K Rool in Donkey Kong

Score: +1

John Cena

as Donkey Kong in Donkey Kong

Score: +1

Tom Kenny

as Yoshi in Mario

Score: +1

Patton Oswalt

as Toad in Mario

Score: +1

Ron Perlman

as Bowser in Mario

Score: -1

Taylor Swift

as Peach in Mario

Score: -1