Suggestions by @thejacobtremblayfan

Dove Cameron

as Lapis Lazuli in Steven Universe (2023)

Ariana Greenblatt

as Peridot in Steven Universe (2023)

Zac Efron

as Greg Universe in Steven Universe (2023)

Jacob Tremblay

as Finn in Adventure Time (2023)

Justin Hurwitz

as Composer in Steven Universe (2023)

Damien Chazelle

as Director in Steven Universe (2023)

Roshon Fegan

as Lars Barriga in Steven Universe (2023)

Hailee Steinfeld

as Marceline in Adventure Time (2023)

Hoyeon

as Lady Rainicorn in Adventure Time (2023)

Willem Dafoe

as Ice King in Adventure Time (2023)

Kimiko Glenn

as BMO in Adventure Time (2023)

Bretman Rock

as Lumpy Space Princess in Adventure Time (2023)

Zendaya

as Princess Bubblegum in Adventure Time (2023)

Henry Jackman

as Composer in Adventure Time (2023)

Steven Spielberg

as Director in Adventure Time (2023)

Ty Burrell

as Jake in Adventure Time (2023)

Maitreyi Ramakrishnan

as Connie Maheswaran in Steven Universe (2023)

Mystic Inscho

as Steven Universe in Steven Universe (2023)

Ariana Grande

as Pearl in Steven Universe (2023)

Kelly Clarkson

as Amethyst in Steven Universe (2023)