Peter Petrelli(Milo Ventimiglia)On the surface Peter Petrelli is a warm-hearted hospice nurse living in New York City, caring for a wealthy patient. He has long toiled in the shadow of his brother, successful politician Nathan, and is something of the black sheep of the family for not aspiring to greater heights.He begins to have dreams that he is able to fly and when he decides to test out this power he is astonished to be scooped up by his brother, now a congressional candidate.Nathan is the one who can actually fly but Peter discovers that he has the ability to absorb the powers of others without hurting them, which gives him the ability to be one of the most powerful beings on the planet as he comes in contact with more super humans.Peter is an fundamentally good guy interested in helping others and making the world a better place. He was always a soul-searcher by nature, believing he was meant to do something special. Now he feels that this is true and he plans to use his powers for good.He is approached by a man who claims to be from the future and is told Save the Cheerleader, Save the World and Peter has his marching orders.