Suggestions by @mycastmanorguy

Hynden Walch

as Alphabet in Alphabet Warriors

Score: +1

Michael Bell

as Ehnn in Alphabet Warriors

Score: +1

Peter Browngardt

as Yue in Alphabet Warriors

Score: +3

Peter Browngardt

as Tum-Tum in Alphabet Warriors

Score: +1

Tru Valentino

as Aye in Alphabet Warriors

Score: +6

Charlie Adler

as Flippy in Dogman

Score: +2

Tom Kenny

as Flippy in Dogman

Score: +1

'Weird Al' Yankovic

as Flippy in Dogman

Score: +3

Rob Paulsen

as Flippy in Dogman

Score: +3

Michael Rubin

as Flippy in Dogman

Score: +3

Doug Murray

as Flippy in Dogman

Score: +2

Curtis Armstrong

as Petey in Dogman

Score: +3

Emil Urena

as Flippy in Dogman

Score: 0

Emil Urena

as Robot Jones in Whatever Happened to... Robot Jones?

Score: +2

Jason Marsden

as Aye in Alphabet Warriors

Score: +4

Mike Pollock

as Tum-Tum in Alphabet Warriors

Score: +1

Charlie Adler

as C in The Alphabet Lore

Score: +2

Cary Huang

as X in The Four and X Sitcom

Score: +1

Rodger Bumpass

as The Fan Crowd in Alphabet Warriors

Score: +1

Cree Summer

as The Fan Crowd in Alphabet Warriors

Score: -2