Suggestions by @joker

Timothée Chalamet

as Donatello in Teenage Mutant Ninja Turtles

Ryan Potter

as Red Robin in Robins

Andy Serkis

as Penguin in The Batman

Zac Efron

as Nightwing in The Batman

Ryan Potter

as Red Robin in The Batman

Nick Robinson

as Red Robin in The Batman

Jon Bernthal

as Thomas Blake in Batman (Arrowverse)

Terry Crews

as Waylon Jones in Batman (Arrowverse)

Hafþór Júlíus Björnsson

as Bane in Batman (Arrowverse)

Scott Adkins

as Bruce Wayne in Batman (Arrowverse)

Scott Adkins

as Slade Wilson in Batman (Arrowverse)

Jeffrey Dean Morgan

as Slade Wilson in Batman (Arrowverse)

Walton Goggins

as Roman Sionis in Batman (Arrowverse)

Liev Schreiber

as Roman Sionis in Batman (Arrowverse)

Evan Peters

as Joker in Batman (Arrowverse)

Matt Nable

as Ra's al Ghul in Batman (Arrowverse)

Stephen Amell

as Oliver Queen in Batman (Arrowverse)

Lexa Doig

as Talia al Ghul in Batman (Arrowverse)

Tyler Hoechlin

as Superman in Batman (Arrowverse)

Grant Gustin

as Barry Allen in Batman (Arrowverse)