Homeworld:

Earth

Highlights:

- A Mutants is a human being who has a X-gene
- First recorded mutant was Selene, born in Europe 17,000 years ago
- Charles Xavier created the X-Men, train them to control their powers;
- Magneto was convinced that humanity would turn against mutantkind;
- Recruited mutants who shared his violent ideology, formed the Brotherhood
- USA Government created the X-Force so they had their own mutant team

Physiology:

- Mutations normally manifested themselves during puberty;
- Some mutants exhibit their mutations at birth, others not until adulthood
- Some have no powers but their bodies were different
- Omega-level mutants were the most powerful genetic potential of their mutant abilities