**Psimon is not a Martian.**

Psimon is a human, born in United States of America. [He got his powers from Trigon, a demon.][1] 

His powers are:

 - Psychokinesis
 - Telekinesis
 - Telepathy

And he's also really smart. As impressive as that is, he's only human.

  [1]: http://dc.wikia.com/wiki/Simon_Jones_%28New_Earth%29#Origin