Suggestions by @elkmane

Kimberly Brooks

as Susie in Joss Whedon's Undertale: An Undertalian Story (Plus Deltarune Too)

Score: +1

Aziz Ansari

as Berdly in Joss Whedon's Undertale: An Undertalian Story (Plus Deltarune Too)

Score: +1

Alan Moore

as Ramb in Joss Whedon's Undertale: An Undertalian Story (Plus Deltarune Too)

Score: +1

Terrell Ransom Jr.

as Lancer in Joss Whedon's Undertale: An Undertalian Story (Plus Deltarune Too)

Score: +1

Ryan Gosling

as Mettaton in Joss Whedon's Undertale: An Undertalian Story (Plus Deltarune Too)

Score: +1

Dave Chappelle

as Sans in Undertale/deltarune

Score: 0

Tom Cruise

as Flowey in Undertale/deltarune

Score: +1

Dave Chappelle

as Sans in Joss Whedon's Undertale: An Undertalian Story (Plus Deltarune Too)

Score: +1

Joaquin Phoenix

as Jevil in Joss Whedon's Undertale: An Undertalian Story (Plus Deltarune Too)

Score: +1

Patrick Stewart

as Gerson in Joss Whedon's Undertale: An Undertalian Story (Plus Deltarune Too)

Score: +1

Paul Rudd

as Rudy in Joss Whedon's Undertale: An Undertalian Story (Plus Deltarune Too)

Score: +1

Meryl Streep

as Carol in Joss Whedon's Undertale: An Undertalian Story (Plus Deltarune Too)

Score: +1

Kevin Hart

as The Roaring Knight in Joss Whedon's Undertale: An Undertalian Story (Plus Deltarune Too)

Score: +1

Sam Rockwell

as Spamton in Joss Whedon's Undertale: An Undertalian Story (Plus Deltarune Too)

Score: +1

Neil Patrick Harris

as Rouxls in Joss Whedon's Undertale: An Undertalian Story (Plus Deltarune Too)

Score: +1

Nicolas Cage

as Tenna in Joss Whedon's Undertale: An Undertalian Story (Plus Deltarune Too)

Score: +1

Angela Bassett

as Noelle in Joss Whedon's Undertale: An Undertalian Story (Plus Deltarune Too)

Score: -1

Amy Poehler

as Noelle in Joss Whedon's Undertale: An Undertalian Story (Plus Deltarune Too)

Score: -1