Suggestions by @andymayer

Homelander (John Gillman)

as Biggest Haters in Fiction in Oddly Specific Mount Rushmores

Cinder Fall

as Biggest Haters in Fiction in Oddly Specific Mount Rushmores

Lord Hater

as Biggest Haters in Fiction in Oddly Specific Mount Rushmores

Flintheart Glomgold

as Biggest Haters in Fiction in Oddly Specific Mount Rushmores

Sephiroth

as Biggest Haters in Fiction in Oddly Specific Mount Rushmores

Clockwerk

as Biggest Haters in Fiction in Oddly Specific Mount Rushmores

Norman Osborn

as Biggest Haters in Fiction in Oddly Specific Mount Rushmores

Colonel Stinkmeaner

as Biggest Haters in Fiction in Oddly Specific Mount Rushmores

Muzan Kibutsuji

as Biggest Haters in Fiction in Oddly Specific Mount Rushmores

Mahito

as Biggest Haters in Fiction in Oddly Specific Mount Rushmores

Ryomen Sukuna

as Biggest Haters in Fiction in Oddly Specific Mount Rushmores

All for One (My Hero Academia)

as Biggest Haters in Fiction in Oddly Specific Mount Rushmores

Bullseye (Benjamin Poindexter)

as Biggest Haters in Fiction in Oddly Specific Mount Rushmores

Powerplex

as Biggest Haters in Fiction in Oddly Specific Mount Rushmores

FAKE

as Biggest Haters in Fiction in Oddly Specific Mount Rushmores

Sabretooth (Victor Creed)

as Biggest Haters in Fiction in Oddly Specific Mount Rushmores

Baron Zemo

as Biggest Haters in Fiction in Oddly Specific Mount Rushmores

Doctor Victor von Doom

as Biggest Haters in Fiction in Oddly Specific Mount Rushmores

Frieza

as Biggest Haters in Fiction in Oddly Specific Mount Rushmores

Dio Brando

as Biggest Haters in Fiction in Oddly Specific Mount Rushmores