Suggestions by @silvermoth

Garfield

as Cats in Mount Rushmores

Chun-Li

as Video Game Females in Mount Rushmores

Doomguy

as Video Game Characters in Mount Rushmores

Duke Nukem

as Video Game Characters in Mount Rushmores

Chadwick Boseman

as Superhero Actors in Mount Rushmores

Chris Evans

as Superhero Actors in Mount Rushmores

Hugo Weaving

as Superhero Actors in Mount Rushmores

Hugh Jackman

as Superhero Actors in Mount Rushmores

Astro Boy

as Anime in Mount Rushmores

Tarja Turunen

as Heavy Metal in Mount Rushmores

Rob Halford

as Heavy Metal in Mount Rushmores

Wolverine

as Marvel Superheroes in Mount Rushmores

Spider-Man (Peter Parker)

as Marvel Superheroes in Mount Rushmores

Storm (Ororo Munroe)

as Marvel Superheroes in Mount Rushmores

Captain America

as Marvel Superheroes in Mount Rushmores

Green Lantern (Hal Jordan)

as DC Superheroes in Mount Rushmores

Wonder Woman

as DC Superheroes in Mount Rushmores

Batman

as DC Superheroes in Mount Rushmores

Superman

as DC Superheroes in Mount Rushmores

Chell (Portal)

as Video Game Females in Mount Rushmores