Suggestions by @rarity

Leo Howard

as Beast Boy in James Gunn's DC Studios/ DC Cinematic Universe

Score: +2

Diego Tinoco

as Nightwing in James Gunn's DC Studios/ DC Cinematic Universe

Score: 0

Alex Wolff

as Aqualad in DCU Teen Titans

Score: +1

Zoey Deutch

as Tigress in DCU Teen Titans

Score: 0

Tamsin Egerton

as Wonder Girl in DCU Teen Titans

Score: +1

Lyrica Okano

as Raven in DCU Teen Titans

Score: -8

Michael Evans Behling

as Cyborg in DCU Teen Titans

Score: +3

Katherine Langford

as Starfire in DCU Teen Titans

Score: -2

Tanner Buchanan

as Beast Boy in DCU Teen Titans

Score: +4

Dylan Minnette

as Nightwing in DCU Teen Titans

Score: -2

Zoey Deutch

as Green Arrow in TEEN TITANS

Score: +1

Nat Wolff

as Aqualad in TEEN TITANS

Score: +1

Lyrica Okano

as Raven in TEEN TITANS

Score: +2

Luke Eisner

as Red Arrow in TEEN TITANS

Score: +3

Michael Evans Behling

as Cyborg in TEEN TITANS

Score: +3

Katherine Langford

as Starfire in TEEN TITANS

Score: +2

Tanner Buchanan

as Beast Boy in TEEN TITANS

Score: +2

Dylan Minnette

as Nightwing in TEEN TITANS

Score: +2

Justin Prentice

as Green Lantern I in James Gunn's DC Universe

Score: +1

Taylor Swift

as Zatanna in James Gunn's DC Universe

Score: +1