Nucacidian

Nucacidians are a species from the planet Nucacidia.

Appearance
Nucacidians, in their original form, have the appearance of little grey humanoids with bulging black eyes.

Powers and Abilities
Nucacidians possess flight capabilities and usually gets around by hovering.

Nucacidians are capable of regrowing limbs and organs without issue. They can even lose their heads and the body will still function, though it takes a while for the head to reform.

A Nucacidian's main ability however, is that he is able to change his genetic code at will. Each of his skin cells are covered in microscopic bristles that allow him to access the genetic codes of his opponents and allies and take on their forms and attributes within his own; this allows him to gain a variety of body parts and abilities he doesn't originally have.

Nucacidians can travel comfortably through the vacuum of space and don't require oxygen to survive.

Weaknesses
Nucacidians have very weak bone structures meaning that their natural forms are very weak.