52 presents Jacob Colby as one of the first official subjects for Lex Luthor's "Everyman Project". Luthor's project grants super-powers to Colby, who is given the codename Skyman after Luthor buys the rights to Infinity Inc. from the Pemberton Estate. This Skyman had the power to control the air, and the power of flight. Colby later becomes romantically involved with his teammate Starlight.
A few weeks later reveals that Colby had been killed some time ago by his teammate, Everyman, who has been cutting off parts of Colby's body to sate a growing cannibalistic desire. After consuming a sample from his victim, Everyman gains the ability to assume his form and has been posing as Colby for some time (fooling even Starlight with his deception).