Martian Manhunter #6
Real name Martian Manhunter - Dzh'onn Dzh'onzz. Dzh'onn is the last Martian happened to be in the world, where, thanks to their ability to take shape green-humanoid creature wearing a long blue cloak. Also, quite often he took human form, masquerading as detective John Jones and other random individuals. Martian Manhunter is a member of the Justice League.