Kryptonian

Kryptonians are an endangered humanoid species native to the now-destroyed planet Krypton. They are physically indistinguishable from humans but have a variety of superhuman abilities under a yellow sun. Batman believes Kryptonians have "very hard heads".

Biology
Kryptonians superficially resemble humans, however, due to their alien physiology they possess super-powers once exposed to radiation from a yellow sun. These powers range from superhuman strength to flight.

Powers and abilities

 * Flight – Kryptonians can defy gravity and fly.
 * Heat Vision – Kryptonians can emit intense heat beams from their eyes.
 * Invulnerability – Kryptonians are completely immune to extreme heat and cold. Kryptonians are invulnerable to almost all forms of harm.
 * Microscopic vision – Kryptonians can see into the subatomic universe with great detail as well.
 * Super hearing – Kryptonians can hear vast distances.
 * Super leap – Kryptonians can leap to great hights and distances.
 * Super speed – Kryptonians can run at incredible velocities but the Flashes are faster.
 * Super strength – Kryptonians possess great superhuman strength, enabling them to lift objects of great mass and bend steel.
 * Telescopic vision – Kryptonians can see into very far distances with great detail.
 * X-ray vision – Kryptonians are able to see into the X-ray portion of the spectrum. This allows them to see through walls.

Notable Kryptonians

 * Superman
 * Superboy (genomorphic clone)