Suggestions by @benjaminmiller1

Supergirl (Arrowverse)

as Heroes in Characters who needs to appear in the DCU

Spoiler (Stephanie Brown)

as Heroes in Characters who needs to appear in the DCU

Batgirl (Barbara Gordon)

as Heroes in Characters who needs to appear in the DCU

Huntress (Helena Bertinelli)

as Heroes in Characters who needs to appear in the DCU

Huntress

as Heroes in Characters who needs to appear in the DCU

Black Canary (Dinah Drake)

as Heroes in Characters who needs to appear in the DCU

Talia al Ghul

as Villains in Characters who needs to appear in the DCU

Harley Quinn (Dr. Harleen Quinzel)

as Villains in Characters who needs to appear in the DCU

Professor Hugo Strange

as Villains in Characters who needs to appear in the DCU

Doomsday

as Villains in Characters who needs to appear in the DCU

Livewire

as Villains in Characters who needs to appear in the DCU

White Canary (Sara Lance)

as Heroes in Characters who needs to appear in the DCU

Batwoman (Kate Kane)

as Heroes in Characters who needs to appear in the DCU

Y'Mera Xebella Challa

as Mary - Kate Olsen in Non A - List Actors/Actresses who needs to be cast in iconic roles

Batman (Bruce Wayne)

as Sean O'Pry in Non A - List Actors/Actresses who needs to be cast in iconic roles

Supergirl

as Mia Talerico in Non A - List Actors/Actresses who needs to be cast in iconic roles

An Unknown Actor

as Potential Actors for Lobo in Actors who should play Lobo in the DCU

Roman Reigns

as Potential Actors for Lobo in Actors who should play Lobo in the DCU

An Unknown Actress

as Elsa in Frozen

White Canary (Sara Lance)

as DC in Characters from Marvel and DC that deserves a movie/TV show of their own