Suggestions by @gruffkrestel

Aubrey Plaza

as Batwoman in DCMU

Score: +1

Diego Tinoco

as Batman Beyond in DCMU

Score: +1

Michael Jai White

as Batwing in DCMU

Score: +1

Hailee Steinfeld

as Harley Quinn in DCMU

Score: 0

Natasha Liu Bordizzo

as Black Bat in DCMU

Score: +1

Madelyn Cline

as Spoiler in DCMU

Score: +1

Rose Leslie

as Batgirl in DCMU

Score: +1

Aiden Gallagher

as Robin in DCMU

Score: +1

Logan Lerman

as Red Robin in DCMU

Score: +1

Tanner Buchanan

as Red Hood in DCMU

Score: +1

Dylan O'Brien

as Nightwing in DCMU

Score: +1

Kit Harington

as Young Batman in DCMU

Score: +1

Ana de Armas

as Catwoman in DCMU

Score: +2

Florian Munteanu

as Captain Atom in DCMU

Score: +1

John Mulaney

as Plastic Man in DCMU

Score: +1