Suggestions by @jesselee

Herry Monster

as Herry Monster in The Dream SMP Movie

Telly Monster

as Telly Monster in The Dream SMP Movie

Grover (Sesame Street)

as Grover in The Dream SMP Movie

Big Bird

as Bjg Bird in The Dream SMP Movie

Cookie Monster

as Cookie Monster in The Dream SMP Movie

Elmo (Sesame Street)

as Elmo in The Dream SMP Movie

Dorothy the Goldfish

as Dorothy the Goldfish in The Dream SMP Movie

Dream

as Dream in The Dream SMP Movie

Shawn Macdonald

as Misty Knight in Avengers Secret Wars

Wayne Knight

as Cyclops in Avengers: Secret Wars

James Patrick Stuart

as M.O.D.O.K. in Avengers: Secret Wars

Daisy Ridley

as Mystique in Avengers: Secret Wars

Daisy Rudd

as Volcana in Avengers: Secret Wars

Joan Cusack

as Invisible Woman in Avengers: Secret Wars

Frank Welker

as Nightcrawler in Avengers: Secret Wars

Jack Black

as Juggernaut in Avengers: Secret Wars

Jeff Bergman

as Ice-Man in Avengers: Secret Wars

An Unknown Voice Actor

as Silver Surfer in Avengers: Secret Wars

Alan Tudyk

as Magneto in Avengers: Secret Wars

James Earl Jones

as Galactus in Avengers: Secret Wars