Frear is a evil entity, it is capable of taking over large organism`s, and any machinery.
In his true form, Frear is mostly radiation and material, and can animate most material. He can also appear as anything he wants through radiation illusion. He often appears as large monsters, and leaves thier bodys just beefor they are killed, or die. Zith often meets him more than once threw out the story In the end I as the Planet devourer, and even Ridley, as well as many other monsters.
Frear was was created when the Planet devourer destroyed the planet Milone, which had high amounts of radioactive metals and gas on it. the planet imploded, and the radation was smashed together, creating Frear.