The name given to Superman at birth by his biological parents, Jor-El and Lara, on the planet Krypton is Kal-El. The name given to Superman by his adoptive parents, Martha and Jonathan Kent, when he arrives in Smallville on Earth is Clark Kent, which continues to be the name of his alter ego.
What is Superman’s real name?
How is Superman able to fly?
According to the comics, Superman can fly because of a combination of powers he derives from Earth’s “yellow” Sun and from his extraterrestrial biology. On his birth planet, Krypton, gravity was much stronger than it is on Earth, so Kryptonians developed a physique that could resist its pull. When he’s on Earth, Superman’s physique can defy the planet’s weaker pull easily, and that ability, enhanced by solar energy, allows him to fly.