Detective Comics #251

THE ALIEN BATMAN Vicki Vale snaps a picture of Batman unmasked as an alien near a spaceship, and further tests seem to confirm that Batman is a being from another world. However, Batman knows that this is a well staged hoax to convince the public that he is an alien. Batman and Robin start investigating the case and despite the little help they get from the people of Gotham, they manage to find the criminals responsible for the hoax. Using their lie against them, Batman pretends to be a real alien and he captures the thugs, who confess their whole plan and Batman's name is finally cleared. THE HUMAN PARROT ALIAS MR. ZERO In order to infiltrate a gang of crooks, John Jones poses as Mr. Zero, super-criminal extraordinaire.