Suggestions by @dallasknowlton

Tom Kenny

as Dr. Freakmen in Son of the Fly

Score: +2

Kevin Micheal Richardson

as Dr. Brownson in Son of the Fly

Score: +2

Janet Healy & Chris Meledandri

as Producer in Dr. Seuss' Bartholomew and the Oobleck

Score: +1

Rosana Sullivan

as Director in I See You

Score: +2

Kori Rae

as Producer in Garbage Moon

Score: +1

Madeline Sharafian

as Director in Garbage Moon

Score: +2

Matthew Yogel

as Writer in The Super Mario Bros. Movie

Score: +1

Chris Meledandri

as Producer in The Super Mario Bros. Movie

Score: +1

Shigeru Miyamoto

as Producer #2 in The Super Mario Bros. Movie

Score: +1

David Lopez

as Yoshi in The Super Mario Bros. Movie

Score: +1

Zack Shada

as Bowser Jr. in The Super Mario Bros. Movie

Score: -1

Kristin Chenoweth

as Toadette in The Super Mario Bros. Movie

Score: +1

Vanessa Hudgens

as Daisy in The Super Mario Bros. Movie

Score: -1

Pitbull

as Waluigi in The Super Mario Bros. Movie

Score: 0

Danny DeVito

as Wario in The Super Mario Bros. Movie

Score: +2

Sebastian Maniscalco

as Foreman Spike in The Super Mario Bros. Movie

Score: +3

Lea DeLaria

as Big Bertha in The Super Mario Bros. Movie

Score: +1

Aaron Horvath and Michael Jelenic

as Director in The Super Mario Bros. Movie

Score: +2

Charles Martinet

as Narrator in The Super Mario Bros. Movie

Score: +1

Fred Armisen

as Cranky Kong in The Super Mario Bros. Movie

Score: +1