Suggestions by @aaronsamuels

Cesar Romero

as Joker in DC(E)U

Score: -2

Jack Nicholson

as Joker in DC(E)U

Score: -1

Jared Leto

as Joker in DC(E)U

Score: -1

Mark Hamill

as Joker in DC(E)U

Score: -1

Heath Ledger

as Joker in DC(E)U

Score: +1

Barry Keoghan

as Joker in DC(E)U

Score: -1

Joaquin Phoenix

as Joker in DC(E)U

Score: -1

Phil LaMarr

as Black Manta in DC(E)U

Score: -1

Kevin Michael Richardson

as Black Manta in DC(E)U

Score: -1

Yahya Abdul-Mateen II

as Black Manta in DC(E)U

Score: +1

Manu Bennett

as Deathstroke in DC(E)U

Score: +1

Joe Manganiello

as Deathstroke in DC(E)U

Score: -1

Mark Strong

as Sinestro in DC(E)U

Score: +1

Claudia Black

as Cheetah in DC(E)U

Score: +1

Kristen Wiig

as Cheetah in DC(E)U

Score: +2

Wentworth Miller

as Captain Cold in DC(E)U

Score: +1

Paul Bettany

as The Riddler in DC(E)U

Score: +1

Paul Dano

as The Riddler in DC(E)U

Score: -1

David Tennant

as The Riddler in DC(E)U

Score: +1

Leonardo DiCaprio

as The Riddler in DC(E)U

Score: -1