Suggestions by @nephelodeon

Molly Shannon

as Dr. Liz Wilson in Garfield (2004 film)

Score: +1

Kath Soucie

as Nermal in Garfield (2004 film)

Score: +1

Gregg Berger

as Odie in Garfield (2004 film)

Score: +1

Ken Kirzinger

as Jason Voorhees in The Ultimate Showdown of Ultimate Destiny

Score: +1

Tyler Hoechlin

as Superman in The Ultimate Showdown of Ultimate Destiny

Score: 0

Nick Kroll

as The Dark Lord Chuckles the Silly Piggy in Dave the Barbarian

Score: +2

Keith David

as The Storyteller in Dave the Barbarian

Score: +1

Anika Noni Rose

as Queen Glimia in Dave the Barbarian

Score: +1

Michael Jai White

as King Throktar in Dave the Barbarian

Score: +1

Carol Kane

as Lula in Dave the Barbarian

Score: +3

Ariana Greenblatt

as Fang in Dave the Barbarian

Score: +3

Xochitl Gomez

as Fang in Dave the Barbarian

Score: +2

Mason Gooding

as Dave in Dave the Barbarian

Score: +2

Eliza Coupe

as Molly Cunningham in DuckTales The Movie (2020)

Score: +1

John Mulaney

as Spider-Ham in The ABSOLUTE Perfect Crossover Movie

Score: +2

Jason Mantzoukas

as Steelbeak in Darkwing Duck

Score: +4

Kevin Michael Richardson

as Vladimir Gryzlikoff in Darkwing Duck Reboot

Score: +1

David Harbour

as Vladimir Gryzlikoff in Darkwing Duck Reboot

Score: +1