Peter is a hospice nurse from New York. He is Nathans brother, and his gift is very special. He has the ability to absorb the power of other special people, if he gets close enough. This will eventually leave him with the powers of Flight, Invisibility, Regeneration, Teleporting/Time Travelling, Precognition, Induced Radioactivity and Mind Reading.

Nathan is a congressman for New York City. He's Peters brother, and his special gift is the ability to fly.

Mat is a police officer from the Los Angeles Police Department. His special ability is hearing other people's thoughts, as if they were spoken aloud.

Hiro is an office worker from Tokio. His special skill is the ability to manipulate the space and time continuum, allowing him to travel through space and time.

Claire is a 16 year old cheerleader. Her special power is the ability to regenerate any wound. Even death.

Hiro's faithful sidekick. A funny character, though without special powers

Micah is the son of Niki and D. L.
He's 10 years old, and he is a technopath. This is the ability to manipulate technology.

Molly Walker is adopted by Matt Parkman and Mohinder Suresh after Sylar kills her parents.
Her speciality is locating people.

Isaac is a struggling artist from New York. His gift is seening into the future, expressed through his paintings.

Niki is an internet stripper in Las Vegas. She is the mother of Micah. Her special gift, Super human strength, is expressed through her alter-ego, Jessica. Her dead twin-sister.

Mohinder is a genetics scientist from the University of Madras, India. His father discovered the pattern in genes, which leads to some people to discover "special abilities". After his fathers murder, Mohinder continues this research. Mohinder has no special abilities himself.

Theodores special ability is a more a curse than a blessing. He is induced with radioactivity, which he cannot quite control. As a result, he killed his family with radiation, and is in a constant risk of losing control and go nuclear.

D. L. Hawkins is a construction worker gone criminal. His special power is the ability to phase through any object.

Claude Rains is a former government employee turned hobo. He has the special power of invisibility, and he is the one, who teaches Peter to use his powers.