Suggestions by @walter8white

Bryan Cranston

as Professor Oak in Pokemon (NCU)

Kaitlyn Dever

as Misty in Pokemon (NCU)

James McAvoy

as V in V For Vendetta

Keanu Reeves

as Mewtwo in Pokémon

Joe Keery

as Gary Oak in Pokémon

Jessica Rothe

as Jessie in Pokémon

Ezra Miller

as James in Pokémon

Bryan Cranston

as Professor Oak in Pokémon

Andy Samberg

as Meowth in Detective Pikachu 2

Andy Samberg

as Meowth in Pokemon

Andy Samberg

as Meowth in Pokémon

Bill Hader

as Meowth in Pokémon

Jonah Hill

as Francis in A Bug's Life

Nicolas Cage

as Johnny in The Room (Reimagined)

Ken Watanabe

as Fire Lord Ozai in Avatar: The Last Airbender

Auli'i Cravalho

as Katara in Avatar: The Last Airbender

Steven Yeun

as Zhao in Avatar: The Last Airbender

Benedict Wong

as Iroh in Avatar: The Last Airbender

Ryan Potter

as Zuko in Avatar: The Last Airbender

Ryan Potter

as Sokka in Avatar: The Last Airbender