Suggestions by @andymayer

RWBY

as Indie Animated Series in Mount Rushmores

Homestar Runner

as Indie Animated Series in Mount Rushmores

Lackadaisy (short film)

as Indie Animated Series in Mount Rushmores

Murder Drones

as Indie Animated Series in Mount Rushmores

The Amazing Digital Circus

as Indie Animated Series in Mount Rushmores

Helluva Boss

as Indie Animated Series in Mount Rushmores

Hazbin Hotel

as Indie Animated Series in Mount Rushmores

President Curtis

as Keith David Roles in Mount Rushmores

King Andrias

as Keith David Roles in Mount Rushmores

Dr. Robotnik (Archie)

as Dr. Eggmen in Mount Rushmores

Dr. Eggman (Sonic X)

as Dr. Eggmen in Mount Rushmores

Atrocitus

as DC Villains in Mount Rushmores

Brainiac (Vril Dox)

as DC Villains in Mount Rushmores

Mr Mxyzptlk

as DC Villains in Mount Rushmores

Mr. Freeze (Dr. Victor Fries)

as DC Villains in Mount Rushmores

Two-Face (Harvey Dent)

as DC Villains in Mount Rushmores

The Riddler (Edward Nigma)

as DC Villains in Mount Rushmores

Starro

as DC Villains in Mount Rushmores

Vandal Savage

as DC Villains in Mount Rushmores

Black Manta

as DC Villains in Mount Rushmores