Suggestions by @the_comicsdude_616

Megatron G1

as Frank Welker in What characters would you like to hear voice actors voice?

Score: +7

Josh Peck

as High Five Ghost in Regular Show Universe

Score: +1

Paul Walter Hauser

as Muscle Man in Regular Show Universe

Score: +1

Ron Perlman

as Skips in Regular Show Universe

Score: +1

Bryan Cranston

as Benson in Regular Show Universe

Score: +1

Joe Keery

as Mordecai in Regular Show Universe

Score: +1

Ian McKellen

as Pop in Regular Show Universe

Score: +1

Tony Revolori

as Rigby in Regular Show Universe

Score: +1

David Cross

as DInkleberg in My Fairly Oddparents Universe

Score: +1

Kristen Wiig

as Mrs.Turner in My Fairly Oddparents Universe

Score: +1

Kate McKinnon

as Wanda in My Fairly Oddparents Universe

Score: +1

Ed Helms

as Mr.Turner in My Fairly Oddparents Universe

Score: +1

Kristen Wiig

as Wanda in My Fairly Oddparents Universe

Score: -1

Angelica Ross

as Mia Johnson in Untitled Presidental Action Movie

Score: +1

Katie Holmes

as Samantha Taylor in Untitled Presidental Action Movie

Score: +1

James Marsden

as Matthew Eastman in Untitled Presidental Action Movie

Score: +1

Rebecca Ferguson

as Michelle McDaniels in Untitled Presidental Action Movie

Score: +1

Chris Pine

as William McKinnley in Untitled Presidental Action Movie

Score: +1

Alan Ritchson

as Kevin Letterman in Untitled Presidental Action Movie

Score: +1

Aldis Hodge

as Adonis Henry in Untitled Presidental Action Movie

Score: +1