Why you may not recognize Clark Kent as Superman

Photos: Alter egos of superheroes
When he's not being confused with a bird or a plane, Clark Kent works as a journalist with somewhat clumsy tendencies to throw off others from knowing his true identity as Superman. He may not always be able to keep people from figuring out that he's the Man of Steel, but usually that one pair of glasses (and in some cases, hair product) seems to do the trick. Click through our gallery to see the secret identities of other superheroes.
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Photos: Alter egos of superheroes
Superman's cousin Kara Zor-El has similar Kryptonian gifts and is inspired to use her powers to protect National City as Supergirl. Like Clark Kent, she uses a pair of glasses to obscure her identity during the day as an assistant to the head of a media conglomerate.
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Photos: Alter egos of superheroes
You wouldn't like him when he's angry. After being exposed to gamma radiation, reserved but brilliant scientist Bruce Banner has a bad habit of turning into the Hulk when he's upset or stressed.
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Photos: Alter egos of superheroes
Known as "the man without fear," Matt Murdock lost his sight as a young child in a chemical spill, but it has allowed him to develop his other senses. By day, he's a lawyer fighting for the rights of those he doesn't feel are represented. By night, he's Daredevil, a masked crimefighter in Hell's Kitchen.
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