The Chameleon
I am Gifted and can do whatever you think I can.
Many call me The Chameleon.
Those same folks think that I'm the strongest of the Gifted.
My power?
Not Shape-Shifting or anything reptile-related.
Its the Placebo Effect.
If I wear red and orange, Pyrokinesis becomes my primary power.
If I wear blue, I can pull off Hydrokinesis or water breathing.
Catch me in some cool sunglasses, and suddenly I've got laser vision.
See me in a cape, and the assumptions of flight become correct.
I do have my weaknesses, however.
If I wear something too confusing and no one can pinpoint what kind of power I could have, nothing works. (No one's sure what the limit on how many different ideas are needed for it to backfire, since there have been scenarios where I got every power a crowd was thinking of.)
Alternatively, if enough people are convinced that I have no powers, then that wish comes true and can't be reversed for a while.
With the constant wardrobe changes and fear of becoming useless (and fact that I'm pretty new at this whole Gifted thing), being the Chameleon can be tough.
But then, when I'm in the face of danger, it only takes one hostage thinking, that guy looks a lot like Superman, to make my day and save theirs.