Suggestions by @ethereal

Sophia Lillis

as Katie Holt in Voltron Legendary Defender of the Universe

Score: +1

Elle Fanning

as Eleven in Stranger Things (2000s)

Score: 0

AnnaSophia Robb

as Max Mayfield in Stranger Things (2000s)

Score: +1

Asa Butterfield

as Mike Wheeler in Stranger Things (2000s)

Score: +1

Storm Reid

as Alya Césaire in Miraculous(Live action)

Score: +2

Malia Baker

as Alya Césaire in Miraculous(Live action)

Score: +2

Elizabeth Yu

as Marinette Dupain-Cheng in Miraculous(Live action)

Score: +4

Peyton Elizabeth Lee

as Marinette Dupain-Cheng in Miraculous(Live action)

Score: +3

Kit Connor

as Adrien Agreste in Miraculous(Live action)

Score: +4

Levi Miller

as Adrien Agreste in Miraculous(Live action)

Score: +1

Amir Wilson

as Nino Lahiffe in Miraculous(Live action)

Score: +2

Chiara Aurelia

as Lila Rossi in Miraculous(Live action)

Score: +5

Emily Skinner

as Chloé Bourgeois in Miraculous(Live action)

Score: +1

Alyvia Alyn Lind

as Chloé Bourgeois in Miraculous(Live action)

Score: +1

Lizzy Greene

as Chloé Bourgeois in Miraculous(Live action)

Score: +1

Hiro Hamada

as Aang in Avatar The Last Airbender if fictional characters made it.

Score: +5

Matthew Libatique

as Cinematographer in Monster High

Score: +2

Élodie Yung

as Headmistress Bloodgood in Monster High

Score: +1

Eva Green

as Headmistress Bloodgood in Monster High

Score: +3

Marco Beltrami

as Composer in Monster High

Score: +2