Suggestions by @arachnick28

David Sobolov

as Firelord in My Fantastic Four Voice Cast

D. B. Woodside

as Ego the Living Planet in My Fantastic Four Voice Cast

Aaron LaPlante

as Galactus in My Fantastic Four Voice Cast

Kevin Michael Richardson

as Terrax in My Fantastic Four Voice Cast

Peter Lurie

as Blastaar in My Fantastic Four Voice Cast

David Kaye

as Grandmaster in My Fantastic Four Voice Cast

Scott Lawrence

as Kang the Conqueror in My Fantastic Four Voice Cast

Cara Pifko

as Alicia Masters in My Fantastic Four Voice Cast

Keith Ferguson

as Mr. Fantastic in My Fantastic Four Voice Cast

Joel McHale

as Mr. Fantastic in My Fantastic Four Voice Cast

Carlos Alazraqui

as Super Skrull in My Fantastic Four Voice Cast

Dee Bradley Baker

as Impossible Man in My Fantastic Four Voice Cast

Wayne Knight

as Mole Man in My Fantastic Four Voice Cast

William Salyers

as Mole Man in My Fantastic Four Voice Cast

Stephen Root

as Mole Man in My Fantastic Four Voice Cast

Troy Baker

as Silver Surfer in My Fantastic Four Voice Cast

Rick D. Wasserman

as Ronan the Accuser in My Fantastic Four Voice Cast

Cree Summer

as Gamora in My Guardians of the Galaxy Voice Cast

Peter Lurie

as Drax the Destroyer in My Guardians of the Galaxy Voice Cast

Jason Mantzoukas

as Rocket in My Guardians of the Galaxy Voice Cast