Suggestions by @benjombunud

Troy Baker

as Arkham Knight (Arkhamverse) in DC Multiverse

Jensen Ackles

as Red Hood (Under The Red Hood) in DC Multiverse

Peyton List

as Batgirl (DCAMU) in DC Multiverse

Hailee Steinfeld

as Batgirl (DCEU) in DC Multiverse

Tara Strong

as Batgirl (DCAU) in DC Multiverse

Yvonne Strahovski

as Batwoman (DCAMU) in DC Multiverse

Ruby Rose

as Batwoman (Arrowverse) in DC Multiverse

Tara Strong

as Harley Quinn (DCAMU) in DC Multiverse

Hynden Walch

as Harley Quinn (DCAMU) in DC Multiverse

Margot Robbie

as Harley Quinn (DCEU) in DC Multiverse

Tara Strong

as Harley Quinn (DCAU) in DC Multiverse

Arleen Sorkin

as Harley Quinn (DCAU) in DC Multiverse

Ray Porter

as Darkseid (DCEU) in DC Multiverse

Tony Todd

as Darkseid (DCAMU) in DC Multiverse

Michael Ironside

as Darkseid (DCAU) in DC Multiverse

Kevin Conroy

as Batman (Justice League Action) in DC Multiverse

Jack Nicholson

as The Joker (Burtonverse) in DC Multiverse

Jared Leto

as The Joker (DCEU) in DC Multiverse

Joaquin Phoenix

as The Joker (Jokerverse/Stand-alone Universe) in DC Multiverse

Melissa Benoist

as Supergirl (Arrowverse) in DC Multiverse