He is a shell of his former self , after trying to touch all humanity 's mind at once .
J'onn J'onzz : The former Martian Manhunter .
J'onn J'onzz is a shell of J'onn J'onzz 's former self , after trying to touch all humanity 's mind at once .
J'onn J'onzz : The former Martian Manhunter .