Suggestions by @harrydavies

Brent Spiner

as Arch Hammer in The Twilight Zone (1990s)/1x013 The Four of Us Are Dying

Score: +1

Amaury Nolasco

as Esidisi in Jojo's Bizarre Adventure

Score: +1

The Spy

as River Song in The Worst Doctor Who Series

Score: +1

Barbara Streisand

as Barbara Wright in The Worst Doctor Who Series

Score: +1

Siren Noises

as Donna Noble in The Worst Doctor Who Series

Score: +1

Yoshikage Kira

as Donna Noble in The Worst Doctor Who Series

Score: +1

Bloody Mary

as Guest Stars in The Worst Doctor Who Series

Score: +3

Ken (Barbie)

as The Master in The Worst Doctor Who Series

Score: +4

Leon Trotsky

as The Valeyard in The Worst Doctor Who Series

Score: +1

Mahatma Gandhi

as The Doctor in The Worst Doctor Who Series

Score: +2

Derek Savage

as Director in The Worst Doctor Who Series

Score: +1

Captain Underpants

as Rose Tyler in The Worst Doctor Who Series

Score: +1

William Afton

as The Doctor in The Worst Doctor Who Series

Score: +2

Dr. Dolittle

as Peri Brown in The Worst Doctor Who Series

Score: +1

Axel in Harlem

as Captain Jack Harkness in The Worst Doctor Who Series

Score: +1

Mark Fischbach

as Kars in YOUTUBERS AS ANIME VILLAINS

Score: +1

Billy Butcher

as The Doctor in The Worst Doctor Who Series

Score: 0

Sundowner (Metal Gear Rising: Revengeance)

as Brigadier Lethbridge Stewart in The Worst Doctor Who Series

Score: +1

Mike Myers (Full Cat in the Hat suit)

as Producer in The Worst Doctor Who Series

Score: +1

Elephant seal

as The Doctor in The Worst Doctor Who Series

Score: +2