Reed Richards, Mister Fantastic
Reed Richards is known in the comic book world as one of the most intelligent comic book superheroes ever created. As the leader of the Fantastic Four, Richards is responsible for numerous breakthroughs and inventions in many fields including space travel, holography, and time travel. One of his most notable inventions is a technology called "unstable molecules." Used in the fabric of a superheroes' costume, it allows the costume to conform to the wearer's form&emdash;so that when he stretches his body, the material doesn't rip but instead adjusts to his elongated shape.