Metamorpho is a fictional superhero appearing in DC Comics. Created by writer Bob Haney and artist Ramona Fradon, he first appeared in 1963. Metamorpho, also known as Rex Mason, has the unique ability to transform his body into any element or compound, allowing him to adapt to various situations and environments. His powers stem from an ancient Egyptian artifact called the Orb of Ra, which granted him these abilities after a near-fatal accident. Metamorpho often struggles with his identity and humanity, making him a complex character within the DC Universe. He is frequently associated with other heroes, including Batman and Wonder Woman.