Suggestions by @ceraffim

Bill Hader

as Kite man in Dynamic Duo

Score: +1

Sam Rockwell

as Gordon in Dynamic Duo

Score: +1

Hunter Schafer

as Harley Quinzel in Dynamic Duo

Score: +1

Brandon Sklenar

as Batman in Dynamic Duo

Score: +1

Brady Noon

as Red Hood in Dynamic Duo

Score: +1

Aidan Gallagher

as Nightwing in Dynamic Duo

Score: +1

Odeya Rush

as Zatanna in The DCU

Score: +1

Katherine Langford

as Zatanna in The DCU

Score: +2

Cooper Barnes

as Gorilla Grodd in The DCU

Score: +1

Bill Dubuque

as Writer in The Brave and the Bold

Score: +1

Brady Noon

as Nightwing in Deathstroke and Bane

Score: +1

Emma Roberts

as Barbara Minerval in Deathstroke and Bane

Score: +1

Sophie Turner

as Scandal Savage in Deathstroke and Bane

Score: +1

Colby Strong

as Peter Merkel Jr. in Deathstroke and Bane

Score: +1

Kieran Culkin

as Rag Doll in Deathstroke and Bane

Score: +1

Ashley Liao

as Cheshire in Deathstroke and Bane

Score: +1

Abigail Cowen

as Dr. Doris Zuel in Deathstroke and Bane

Score: +1

Molly C. Quinn

as Giganta in Deathstroke and Bane

Score: +1

Harley Morenstein

as Thomas Blake in Deathstroke and Bane

Score: +1

Brett Goldstein

as Ramon in Deathstroke and Bane

Score: +1