Suggestions by @super_wahrrior

Bill Fagerbakke

as Sans in Horror Holidays

Godzilla Jr. (Monsterverse fanmade drawing)

as Godzilla Jr. in Monarch: Legacy of Monsters

Charles Dance

as Alan Jonah in Monarch: Legacy of Monsters

Robert De Niro

as Clark Nelson in Monarch: Legacy of Monsters

Behemoth

as Behemoth in Monarch: Legacy of Monsters

Anguirus (Millennium)

as Anguirus in Monarch: Legacy of Monsters

Rodan (MonsterVerse)

as Rodan in Monarch: Legacy of Monsters

Mothra (MonsterVerse)

as Mothra in Monarch: Legacy of Monsters

Ion Dragon

as Ion Dragon in Monarch: Legacy of Monsters

King Kong (MonsterVerse)

as Kong in Monarch: Legacy of Monsters

Godzilla (Monsterverse)

as Godzilla in Monarch: Legacy of Monsters

Aaron Taylor-Johnson

as Ford Brody in Monarch: Legacy of Monsters

Juliette Binoche

as Sandra Brody in Monarch: Legacy of Monsters

Elisa Lasowski

as Michelle Duvall in Monarch: Legacy of Monsters

Anna Sawai

as Cate Randa in Monarch: Legacy of Monsters

Kiersey Clemons

as May in Monarch: Legacy of Monsters

Kurt Russell

as Lee Shaw in Monarch: Legacy of Monsters

Joe Morton

as Houston Brooks in Monarch: Legacy of Monsters

John Goodman

as Bill Randa in Monarch: Legacy of Monsters

Yahya Abdul-Mateen II

as Aaron Brooks in Monarch: Legacy of Monsters