Suggestions by @landonfausett

Nicholas Galitzine

as Nightwing in Bat-family

Score: +1

Ella Purnell

as Meetra Surik in Star Wars: Knights of the Old Republic 2 - The Sith Lords

Score: +2

Boyd Holbrook

as Cid Highwind in Final Fantasy VII

Score: +1

Jason Momoa

as Motormaster in Transformers (My universe)

Score: +2

Dante Basco

as Zuko in Avatar: Legend of the Nations

Score: +1

Mae Whitman

as Katara in Avatar: Legend of the Nations

Score: +1

Danielle Panabaker

as Jinora in Avatar: Legend of the Nations

Score: +1

Jessie Flower

as Toph Beifong in Avatar: Legend of the Nations

Score: +1

Mae Whitman

as Professor Pyg in Avatar: Legend of the Nations

Score: +1

Mark Fischbach

as Wildrider in The Transformers

Score: -2

Steven Ogg

as Wildrider in The Transformers

Score: -1

Rich Ting

as Ghost-Maker in Batman family and villlains

Score: +1

Joe Taslim

as Ghost-Maker in Batman family and villlains

Score: +1

Andrew Koji

as Ghost-Maker in Batman family and villlains

Score: +1

Bill Hader

as Wreck-Gar in The Transformers

Score: +1

Iwan Rheon

as Starscream in The Transformers

Score: 0

John Krasinski

as Springer in The Transformers

Score: +1

Fred Tatasciore

as Rhinox in Beast wars Transformers live action movie

Score: +1

Andy Serkis

as Rhinox in Beast wars Transformers live action movie

Score: -2

David Harbour

as Rhinox in Beast wars Transformers live action movie

Score: 0