Suggestions by @papa'slittlemonster

Shannon Purser

as Velma Dinkley in The Mystery Inc.

Elliot Page

as Velma Dinkley in The Mystery Inc.

Zach Roerig

as Fred Jones in The Mystery Inc.

Sam Worthington

as Killer Croc in Robins

Sophia Lillis

as Carrie Kelly in Robins

Leo Bill

as Mad Hatter in Robins

Terry O'Quinn

as Hugo Strange in Robins

Zach Galifianakis

as Oswald Cobblepot in Robins

Stephen Moyer

as Victor Fries in Robins

Jude Law

as Edward Nygma in Robins

Natalie Dormer

as Harley Quinn in Robins

Rhys Wakefield

as Joker in Robins

Domhnall Gleeson

as Jonathan Crane in Robins

Jon Hamm

as Two-Face in Robins

Jensen Ackles

as Green Lantern in Avengers vs. Justice League

Eddie Redmayne

as Venom in Venom

Michael Ealy

as David Hyde in Suicide Squad

Michael Ealy

as Black Manta in Legion Of Doom

Michael Pitt

as Rick Flag in Suicide Squad

Alicia Vikander

as June Moone in Suicide Squad