What is a Hero? What is a hero? Are heroes the same for all ages? Heroes can come in all shapes and sizes, and they are different from one generation to Heroes can be people that rise above their limitations to do significant things that impact other people's lives, for instance Mark McGwire when he hit 70 home runs to break Roger Maris' record. A hero can also be someone that spends her whole life dedicated to a cause to help other people. An example would be Mother Teresa helping the poor. Heroes from the baby boomer generation are a mix of both types. People like Princess Diana and Paul Newman, who both have done an abundance of charity