Suggestions by @antonlindqvist

'Weird Al' Yankovic

as Berdly in Deltarune: 1 - The Beginning

Score: +1

Dan Castellaneta

as Jevil in Deltarune: 1 - The Beginning

Score: +1

Leonardo DiCaprio

as Starwalker in Deltarune: 1 - The Beginning

Score: 0

Scarlett Johansson

as Susie in Deltarune: 1 - The Beginning

Score: 0

Tom Kenny

as Ralsei in Deltarune: 1 - The Beginning

Score: 0

Mark Hamill

as The King in Deltarune: 1 - The Beginning

Score: +1

Chris Pratt

as Kris in Deltarune: 1 - The Beginning

Score: +1

Dallas Liu

as General Iroh II in The Legend of Korra (Live Action)

Score: +1

J.K. Simmons

as Tenzin in The Legend of Korra (Live Action)

Score: +1

Chris Pratt

as Aang in The Legend of Korra (Live Action)

Score: +2

Jude Hill

as Meelo in The Legend of Korra (Live Action)

Score: 0

Megan Rain

as Asami Sato in The Legend of Korra (Live Action)

Score: +2

Paul Wight

as Tenzin in The Legend of Korra (Live Action)

Score: -5

Baptiste Masseline

as Bolin in The Legend of Korra (Live Action)

Score: 0

Harry Collett

as Mako in The Legend of Korra (Live Action)

Score: -3

Lewis MacDougall

as Mako in The Legend of Korra (Live Action)

Score: -3

Paul Dano

as Amon in The Legend of Korra (Live Action)

Score: -2