Meet Mamika. She may not be able to fly faster than a speeding bullet, but this grandma is definitely a superhero. Frederika Goldberger may look like a little old lady to most, but her grandson -- photographer Sacha Goldberg -- doesn't see her that way. In this clever photo series, he decided to remind his beloved grandma how awesome she really is.... by depicting her as a super senior citizen who goes the moniker Mamika. Check out the rest of the photos.