Suggestions by @jamesthethinker

Richard Madden

as Robin Hood in Robin Hood

Owen Wilson

as Quickdraw McGraw in Huckleberry Hound!

Kenan Thompson

as Wally Gator in Huckleberry Hound!

James Corden

as Snagglepuss in Huckleberry Hound!

Matthew McConaughey

as Huckleberry Hound in Huckleberry Hound!

Dan Bull

as King Arthur in Epic Rap Battles of History

Tay Zonday

as King Tut in Epic Rap Battles of History

Kimmy Gatewood

as Marilyn Monroe in Epic Rap Battles of History

Peter Shukoff

as Abraham Lincoln in Epic Rap Battles of History

George Watsky

as William Shakespeare in Epic Rap Battles of History

Dan Bull

as Winston Churchill in Epic Rap Battles of History

Jessi Smiles

as Joan of Arc in Epic Rap Battles of History

Lloyd Ahlquist

as Napoleon Bonaparte in Epic Rap Battles of History

Dan Bull

as Winston Churchill in Epic Rap Battles of History

George Watsky

as William Shakespeare in Epic Rap Battles of History

Nicole Kidman

as Simone Lenoir in Pitstop!

Aubrey Plaza

as Livewire in Superman: Man Of Steel Animated Series

Diedrich Bader

as Parasite in Superman: Man Of Steel Animated Series

Danica McKellar

as Supergirl in Superman: Man Of Steel Animated Series

Chiwetel Ejiofor

as New Villain in Monsters Inc Sequel