Suggestions by @krispaler

Michaela Dietz

as Jo Dee in Avatar: The Last Airbender

Score: +1

Teo Briones

as Teo in Avatar: The Last Airbender

Score: +1

Amber Midthunder

as Yue in Avatar: The Last Airbender

Score: +1

Sivan Alyra Rose

as Korra in Avatar: The Last Airbender

Score: +2

Anna Akana

as June in Avatar: The Last Airbender

Score: +1

Yoshi Sudarso

as Zhao in Avatar: The Last Airbender

Score: +2

Deedee Magno Hall

as Ursa in Avatar: The Last Airbender

Score: +1

Albert Tsai

as Sneers in Avatar: The Last Airbender

Score: +1

Ian Ho

as The Duke in Avatar: The Last Airbender

Score: +2

Ian Ho

as The Duke in Avatar: The Last Airbender

Score: +1

Adrian Holmes

as The Duke in Avatar: The Last Airbender

Score: -1

Lance Lim

as Longshot in Avatar: The Last Airbender

Score: +1

Siena Agudong

as Smellerbee in Avatar: The Last Airbender

Score: +1

Paul Sun-Hyung Lee

as Iroh in Avatar: The Last Airbender

Score: +2

Ashley Liao

as Suki in Avatar: The Last Airbender

Score: +1

Madison Hu

as Mai in Avatar: The Last Airbender

Score: +1

Lily Chee

as Ty Lee in Avatar: The Last Airbender

Score: +1

Haley Tju

as Azula in Avatar: The Last Airbender

Score: +2

Ella Jay Basco

as Toph Beifong in Avatar: The Last Airbender

Score: +1

Forrest Goodluck

as Sokka in Avatar: The Last Airbender

Score: +4