The Impossible Man is a Poppupian from the planet Poppup and has shape-changing abilities. The character is primarily used for comedy, as he is portrayed as a lonely, attention-seeking alien that often annoys those around him, especially the Fantastic Four. Over the years, the Impossible Man created a wife called The Impossible Woman and also had a son named Adolf Impossible. The Impossible Man's unique physiology enables him to take on virtually any form via molecular manipulation.