Suggestions by @lorog

Nicholas Hamilton

as Foop in The Scary 🅾ddParents

Jack Black

as Mark Chang in The Scary 🅾ddParents

Madelaine Petsch

as Vicky in The Scary 🅾ddParents

Caleb McLaughlin

as A.J. in The Scary 🅾ddParents

Tiffany Espensen

as Trixie Tang in The Scary 🅾ddParents

Tanner Buchanan

as Chester McBadbat in The Scary 🅾ddParents

Jon Hamm

as The Crimson Chin in The Scary 🅾ddParents

Arnold Schwarzenegger

as Jorgen Von Strangle in The Scary 🅾ddParents

Andy Samberg

as Sparky in The Scary 🅾ddParents

Jacob Tremblay

as Poof in The Scary 🅾ddParents

Kathryn Newton

as Chloe Carmichael in The Scary 🅾ddParents

Walton Goggins

as Mr. Crocker in The Scary 🅾ddParents

Hayley Atwell

as Wanda in The Scary 🅾ddParents

Ewan McGregor

as Cosmo in The Scary 🅾ddParents

Fionn Whitehead

as Timmy Turner in The Scary 🅾ddParents

Christopher Eccleston

as The Lich in The End of 🅾oo

Louis Partridge

as Marshall Lee in The End of 🅾oo

Awkwafina

as Cake in The End of 🅾oo

Hunter Schafer

as Fionna in The End of 🅾oo

Katherine McNamara

as Flame Princess in The End of 🅾oo