The italian Entomo, the Insect Man, [quote: "I inject justice"] it's only the last of a large serie of real life superheroes. You can find the full list at Real Life Superheroes.
quote [Superheroes are not just in the comics or in the movies anymore. Conscientious citizens have created their own "Superhero" personas to make the world a better place. They have been dubbed by the media as Real Life Superheroes (RLSH). The Real-Life Superheroes is a grassroots movement that performs civic service in many different areas. Real Life Superheroes make an impact on their communities by doing civic activities, public safety patrols, crime fighting, charity work and other pro social acts].