Suggestions by @lukejamesbennett

Manny (Ice Age)

as Robert Wadlow in Characters golden age stars could have played

Mack (Cars)

as Robert Wadlow in Characters golden age stars could have played

Dim (A Bug's Life)

as Robert Wadlow in Characters golden age stars could have played

Horton the Elephant

as Robert Wadlow in Characters golden age stars could have played

Spike Bulldog

as Robert Wadlow in Characters golden age stars could have played

Larry the Lobster

as Robert Wadlow in Characters golden age stars could have played

Mr. Incredible (Bob Parr)

as Robert Wadlow in Characters golden age stars could have played

Sauron (Middle-earth)

as Robert Wadlow in Characters golden age stars could have played

Ivan Drago

as Robert Wadlow in Characters golden age stars could have played

Peacemaker (Christopher Smith)

as Robert Wadlow in Characters golden age stars could have played

Thanos (Marvel)

as Robert Wadlow in Characters golden age stars could have played

Donkey Kong (Character)

as Robert Wadlow in Characters golden age stars could have played

King Bowser Koopa Sr.

as Robert Wadlow in Characters golden age stars could have played

Colossus (Piotr Rasputin)

as Robert Wadlow in Characters golden age stars could have played

Harry Tasker

as Robert Wadlow in Characters golden age stars could have played

Alan "Dutch" Schaefer

as Robert Wadlow in Characters golden age stars could have played

The Terminator (T-800)

as Robert Wadlow in Characters golden age stars could have played

Jason Voorhees

as Robert Wadlow in Characters golden age stars could have played

Chewbacca

as Robert Wadlow in Characters golden age stars could have played

Horton the Elephant

as Lock Martin in Characters golden age stars could have played