Malefic J'onzz

"I'm coming for you, J'onn J'onzz."

- Malefic

Malefic J'onzz is a Green Martian and the brother of J'onn J'onzz.

Arrival on Earth
Sometime after Supergirl's war against Lex Luthor concluded, the extra-dimensional being Mar Novu, for an unknown reason, brought Malefic to Earth. He would then vow to get revenge on his brother, J'onn J'onzz for reasons unknown.

Powers

 * Green Martian physiology: Like all Green Martians, Malefic possesses several incredible powers. However, none of them have been seen yet.
 * Extended longevity: Malefic's life span is considerably longer than a normal human and likewise ages much slower.
 * Accelerated healing factor: Like all Green Martians, Malefic possesses this ability.

Behind the scenes
Ma'alefa'ak J'onzz
 * Malefic's name was never revealed on-screen, only in the credits.
 * In the comics, Ma'alefa'ak J'onzz AKA Malefic is the twin brother and arch-nemesis of Martian Manhunter.