Suggestions by @christopher_kerr55

Bryan Cranston

as Owlman in The Batman Universe

Score: +1

Ryan Reynolds

as Green Lantern in The Batman Universe

Score: +1

Rami Malek

as Arthur Fleck in The Batman Universe

Score: +1

Taron Egerton

as Arthur Fleck in The Batman Universe

Score: +1

Joaquin Phoenix

as Arthur Fleck in The Batman Universe

Score: +1

Jake Gyllenhaal

as The Joker in The Batman Universe

Score: +1

Christian Bale

as The Joker in The Batman Universe

Score: +1

Mark Hamill

as The Joker in The Batman Universe

Score: +1

Alexandra Daddario

as Dr. Pamela Lillian Isley in The Batman Universe

Score: +1

Lily James

as Dr. Pamela Lillian Isley in The Batman Universe

Score: +1

Aldis Hodge

as Hawkman in The Batman Universe

Score: +1

Leslie Grace

as Hawkgirl in The Batman Universe

Score: +1

Gary Oldman

as The Flash in The Batman Universe

Score: +1

Patrick Dempsey

as The Flash in The Batman Universe

Score: +1

Pierce Brosnan

as Dr Fate in The Batman Universe

Score: +1

Brendan Fraser

as Firefly in The Batman Universe

Score: +1

Kaitlyn Dever

as Barbara Gordon in The Batman Universe

Score: +1

Vin Diesel

as Eduardo Dorrance in The Batman Universe

Score: +1

Sebastian Stan

as Harvey Dent in The Batman Universe

Score: 0

Michael B. Jordan

as Choreographer in Princess and the frog

Score: +1