Suggestions by @andrewryan13

Lewis Tan

as Koga in Pokémon: Gold and Silver

Score: +2

Lili Reinhart

as Clair in Pokémon: Gold and Silver

Score: 0

Mads Mikkelsen

as Pryce in Pokémon: Gold and Silver

Score: +2

Kristen Li

as Jasmine in Pokémon: Gold and Silver

Score: +4

David Harbour

as Chuck in Pokémon: Gold and Silver

Score: +2

Lucas Till

as Morty in Pokémon: Gold and Silver

Score: +2

Anna Kendrick

as Whitney in Pokémon: Gold and Silver

Score: -1

Jack Dylan Grazer

as Bugsy in Pokémon: Gold and Silver

Score: 0

Joe Keery

as Falkner in Pokémon: Gold and Silver

Score: 0

Johnny Galecki

as Professor Birch in Pokémon: Ruby and Sapphire

Score: +1

Roman Griffin Davis

as Wally in Pokémon: Ruby and Sapphire

Score: +2

Millie Bobby Brown

as May in Pokémon: Ruby and Sapphire

Score: +2

Asher Angel

as Brendan in Pokémon: Ruby and Sapphire

Score: +1

Jim Parsons

as Professor Elm in Pokémon: Gold and Silver

Score: +4

Rowan Blanchard

as Kris in Pokémon: Gold and Silver

Score: +2

David Mazouz

as Silver in Pokémon: Gold and Silver

Score: 0

Noah Schnapp

as Ethan in Pokémon: Gold and Silver

Score: +3

Steven Yeun

as Magikarp Salesman in Pokémon: Red and Blue

Score: +2

Cary-Hiroyuki Tagawa

as Mr. Fugi in Pokémon: Red and Blue

Score: +3

Jacob Elordi

as Bill in Pokémon: Red and Blue

Score: 0