A
Marvel hero and one of the main members of the
Fantastic Four. The four members of the group gained their powers when during a spaceflight experiment they were bombarded with cosmic rays.
Johnny has the ability to fly and to control fire, including the ability to shoot concentrated projectiles of fire. When he uses his powers he appears to be ever-burning muscle tissue, but unlike his friend
The Thing he can resume his normal human form when not using his powers. He is the brother of fellow Fantastic Four member the
Invisible Woman. He was romantically involved with
Crystal.