"An American logo/icon that is recognized worldwide"

My family consists of a husband and two sons, aged 14 and 12. One of the things that we do together as a family is read and enjoy comic books and comic book characters. Each of us in the family have our own character that we enjoy the most. My husband is Spiderman, my eldest likes The Punisher, my youngest likes the Incredible Hulk and I am SuperMom. I have many Superman t-shirts and every time my boys get me something it usually has the Superman logo on it, somewhere. My husband has been many places worldwide, since he was in the Marine Corps, and he has told me this interesting story about when he was in Somolia. This country is one of the poorest in the world, it is riddled with poverty, disease and political dissent; however, one of the things that he noticed about the kids was their love of comic book heroes. None of the children could barely speak any English, but they knew the Superman, Spiderman and Batman logos and how to say those names in English. Since my favorite is Superman I choose that logo as the one being recognized and anywhere you go, if you have a T-shirt that has the Superman logo, everyone knows that the logo represents the Man of Steel, or in my case, the Mom of Steel!