Suggestions by @memelord

Sunny (Omori)

as Chara in Fictional Characters as Undertale Characters

Giygas

as Flowey in Fictional Characters as Undertale Characters

Emperor Belos

as W.D. Gaster in Fictional Characters as Undertale Characters

Tim Curry

as God in Fancasting unvoiced hazbin hotel side charcters

Keith David

as Leto Atreides II in God-Emperor of Dune

Christopher Walken

as Darth Sidious in Star Wars Prequel Trilogy (2019-2025)

Ian McDiarmid

as Gary in Faith: Unholy trinity

Ice Cube

as Oh My God, Is That...? in The Perfect 90's Sci-Fi Movie

Willem Dafoe

as Jesus Christ in The Perfect 90's Christmas Movie

Ian McDiarmid

as The Villain in Deadpool Saves Christmas

Patrick Stewart

as Mr. Freeze in Batman vs Godzilla (1990's)

Vaati

as Bosses in Super Smash Bros. Ultimate (Deluxe Edition)

Millie Bobby Brown

as The Emotionless Strong Independent Female Character in The Perfect 2020's Multi-Billion Dollar Crappy Reboot

Dylan Mulvaney

as Ahmad Harhash in Star Wars: Knights of the Old Republic

Greta Gerwig

as Director in Ahmad Harhash is an Actor

Dylan Mulvaney

as Ibrahim Ali in Ahmad Harhash is an Actor

7 Grand Dad

as Yehia in Ahmad Harhash is an Actor

Kamala Harris

as Abdullah in Ahmad Harhash is an Actor

Tommy Wiseau

as Mondair in Ahmad Harhash is an Actor

Adolf Hitler

as Ahmed in Ahmad Harhash is an Actor