Suggestions by @chrisdeaver

Summer Fontana

as Blossom in The LEGO Movie 3: A Galactic Adventure

Score: +2

Carlos Alazraqui

as Rocko in Nicktoons Unite!: PART 1

Score: +1

Richard Steven Horvitz

as Zim in Nicktoons Unite!: PART 1

Score: +5

Tara Strong

as Timmy Turner in Nicktoons Unite!: PART 1

Score: +1

David Kaufman

as Danny Phantom in Nicktoons Unite!: PART 1

Score: 0

Debi Derryberry

as Jimmy Neutron in Nicktoons Unite!: PART 1

Score: +2

Tom Kenny

as Spongebob Squarepants in Nicktoons Unite!: PART 1

Score: +1

Tom Holland

as Carl in The LEGO Movie 3: A Galactic Adventure

Score: +1

Brooklynn Prince

as Bianca in The LEGO Movie 3: A Galactic Adventure

Score: +5

Jadon Sand

as Finn in The LEGO Movie 3: A Galactic Adventure

Score: +1

David Kaufman

as Danny Phantom in The LEGO Movie 3: A Galactic Adventure

Score: +1

Janet Varney

as Korra in The LEGO Movie 3: A Galactic Adventure

Score: +1

Izaac Wang

as Aang in The LEGO Movie 3: A Galactic Adventure

Score: +1

Billy West

as Stimpy Cat in The LEGO Movie 3: A Galactic Adventure

Score: +1

Billy West

as Ren Höek in The LEGO Movie 3: A Galactic Adventure

Score: +1

Richard Steven Horvitz

as Zim in The LEGO Movie 3: A Galactic Adventure

Score: +6

Tom Kenny

as Heffer Wolfe in The LEGO Movie 3: A Galactic Adventure

Score: +1

Carlos Alazraqui

as Rocko in The LEGO Movie 3: A Galactic Adventure

Score: +1

JoJo Siwa

as JoJo Siwa in The LEGO Movie 3: A Galactic Adventure

Score: +2

Mia Talerico

as Helga Pataki in The LEGO Movie 3: A Galactic Adventure

Score: +2