Suggestions by @johnnycharisma

Dermot Murphy

as Nightwing in Batman: Sympathy for The Joker

Ethan Cutkosky

as Robin in Batman: Sympathy for The Joker

Ben McKenzie

as Batman in Batman: Sympathy for The Joker

Rami Malek

as The Joker in Batman: Sympathy for The Joker

Jack Nicholson

as Joker in Dc Kingdom Come

Casper Crump

as Vandal Savage in Dc Kingdom Come

Leslie Grace

as Nightstar in Dc Kingdom Come

Declan McKenna

as Zatara in Dc Kingdom Come

Michelle Pfeiffer

as Catwoman in Dc Kingdom Come

Christoph Waltz

as Von Bach in Dc Kingdom Come

Dwayne Johnson

as Orion in Dc Kingdom Come

Kirsten Cooke

as Black Canary in Dc Kingdom Come

Guy Siner

as The Riddler in Dc Kingdom Come

Sting

as Green Lantern in Dc Kingdom Come

Michael Rosenbaum

as The Flash in Dc Kingdom Come

Bob Odenkirk

as Green Arrow in Dc Kingdom Come

Bill Murray

as Blue Beetle in Dc Kingdom Come

Midge Ure

as Lex Luthor in Dc Kingdom Come

John Cena

as Magog in Dc Kingdom Come

Zachary Levi

as Captain Marvel in Dc Kingdom Come