Suggestions by @cameroniacobucci

Ashleigh Ball

as Applejack in The Mash Toons

Score: +1

Kelly Sheridan

as Starlight Glimmer in The Mash Toons

Score: +1

Cathy Weseluck

as Spike in The Mash Toons

Score: +1

Keegan-Michael Key

as Toad in The Mash Toons

Score: +1

Samantha Kelly

as Toad in The Mash Toons

Score: +1

Tabitha St. Germain

as Rarity in The Mash Toons

Score: +1

Andrea Libman

as Pinkie Pie in The Mash Toons

Score: +1

William Salyers

as Rigby in The Mash Toons

Score: +1

Charlie Day

as Luigi in Mushroom Falls

Score: +2

Chris Pratt

as Mario in Mushroom Falls

Score: +2

Leonardo DiCaprio

as The Riddler in Batman: Arkham Asylum live action movie or miniseries

Score: +1

Mike Pollock

as Dr. Robotnik in Illumination's Sonic the Hedgehog

Score: 0

Phil LaMarr

as Wario in Illumination’s Mario movie franchise’s future characters

Score: +1

Christoph Waltz

as Wario in Illumination’s Mario movie franchise’s future characters

Score: +1

Willem Dafoe

as Wario in Illumination’s Mario movie franchise’s future characters

Score: +1

Ron Perlman

as Wario in Illumination’s Mario movie franchise’s future characters

Score: +1

Luis Guzmán

as Wario in Illumination’s Mario movie franchise’s future characters

Score: +1

Jason Statham

as Massacre in Characters who have not appeared, but should appear, in the MCU

Score: +2

Joe Taslim

as Mr. Negative in Characters who have not appeared, but should appear, in the MCU

Score: +1

Randy Orton

as The Rhino in Characters who have not appeared, but should appear, in the MCU

Score: -1