Lacking two essentials

(astronomy, now historical) Designating the four largest moons of Jupiter (Io, Europa, Ganymede and Callisto), as named by Galileo in honour of his future patron Cosimo II de' Medici.

(fandom slang) The fictional universe of Watchmen, a DC Comics miniseries published in 1986, which also includes other related comics and media.

(informal) A fraud; something carried out with the intention of deceiving, usually for personal, often illegal, gain.