Mister Fantastic, also known as Reed Richards, is a fictional superhero in the Marvel Comics universe. He is the leader of the Fantastic Four and possesses the ability to stretch his body into incredible shapes and lengths. This power allows him to adapt to various situations, making him a versatile hero. In addition to his superhuman abilities, Mister Fantastic is a brilliant scientist and inventor. He often uses his intelligence to solve complex problems and create advanced technology. His character represents the combination of intellect and physical prowess, making him a key figure in the Marvel superhero community.