AbilityHe has the ability of Flight. With this, he can defy gravity, fly at supersonic speeds and he seems to be protected from any ill-effects like air resistance, low air pressure or low temperatures. The ability was gained synthetically from the formula, given to him in when he was in his twenties.
- Mother - Angela
- Father - Arthur Petrelli
- Aunt - Alice Shaw
- Brothers - Peter Petrelli, Gabriel Gray
- Wife - Tracy Petrelli
- Sisters in law - Barbara Zimmerman, Nicole Sanders, Pippa Millbrook, Saph Thompson
- Nieces - Sable Petrelli, Kaylee Bishop Jnr, Kaylee Bishop Snr
- Nephews - Taylor Petrelli, Noah Gray Jnr, Noah Gray Snr
- Daughter - Claire Bennet
- Sons - Monty Petrelli, Simon Petrelli
Nathan's history corresponds to canon until the end of Volume 3. He became the public face of Pinehearst as soon as they began selling the formula, and spent most of his time overseeing and advertising this. When Barbara Zimmerman was abducted under the belief that she was Tracy Strauss, in an attempt to blackmail him, he personally took part in the raid to free her, which was successful. Several times, he tried to persuade Peter to stop fighting against Pinehearst, and he by now believes that he has succeeded in doing so.
Nathan is a Hebrew name which means "God has given". This could refer to how he has previously believed that his abilities were given to him by God, before he learned they were synthetic. His surname of Petrelli is Greek and means "rock".