That depends on what nation you are talking about and what you consider to be a "hero", whether that person is working on a cure for cancer, diving into a river to save a drowing child or swinging from building to building via thin webs. However this won't always be the same person and so it really depends.
Muhammed bin Thani is the national hero of Qatar.
National Hero of Azerbaijan was created in 1995.
Jose Rizal the national hero of the Philippines.
The national hero of the Filipinos is Dr. Jose Rizal.
The national hero of Thailand is Voltes V
The hero is Jesus
He is a national hero because he healed all the people who was damaged,sick.
The Americans want a non combatant national hero for the Philippines.
a olympic hero is when they win and become a star
He received honor as a national hero from the wisdom from God.
rizal is an American sponsored hero. 1946 that America declared the Dr. Jose Rizal was a national hero
A famous star becomes a hero