Who is your hero. Please, briefly explain why the named person(s) is your hero.

In life, we meet people either in person, reading about them, watching them in TV or Internet and such. Irrespective of how we met this people, they impact our lives in such a great way that we desire to be like them or to learn 1 or 2 things from them. I bet we call this people who have influenced our lives/ or whom we admire so much our heroes.
Please take a minute and list your hero(es) and let the world know and celebrate their heroic action together