Since he doesn wear a mask, why doesn anyone realize that Clark Kent is Superman?
The prime reason is that when in his Superman identity, our hero always vibrates his face slightly so that photographs will only show his features as a blur. The physical distinctions between the Superman and Clark Kent persona are a curl of hair, the glasses, and a deepening of his voice. Another major factor is that the lack of a mask keeps people from even suspecting that Superman has a secret identity. For example, Lex Luthor was once told the truth, but he dismissed the idea because he could not believe that someone so powerful would want another identity. Also in the modern stories, Lois Lane never suspected the dual identity. Furthermore, there have been several occasions where Clark and Superman have been seen together. In the first case, “Superman” was really a robot (ADVENTURES #439). Soon after Superman’s return from his self-exile in space, Jimmy snapped a photo of Superman and Clark (a confused Matrix) (SUPERMAN #34). Finally, after Superman’s return from death, the Man of
