The warlord of Warworld — tyrant, Sinestro Corps enforcer, and Bzzd's killer.

Mongul

Mongul debuted as a Superman villain — a planet-conquering tyrant who ruled the artificial world of Warworld, first appearing in DC Comics Presents #27 (November 1980, Len Wein and Jim Starlin). He tormented Superman for years, but his shadow falls heaviest on Green Lantern history: serving the Cyborg Superman, Mongul helped turn Earth into a Warworld — and in the process, Coast City was destroyed, the trauma that broke Hal Jordan and set Emerald Twilight in motion.

The Mongul who menaces the Corps is Mongul II, the original's son (first appearance Showcase '95 #8, September 1995, Peter Tomasi and Scot Eaton). After the Sinestro Corps War, he broke a dying Sinestro Corpsman's neck, seized his yellow ring, and built a brutal fiefdom — offering captured Sinestro Corps inductees a choice of service or death. In the Ring Quest arc (Green Lantern Corps vol. 2 #19–26, 2008, Tomasi and Patrick Gleason), he weaponized the Black Mercy, genetically engineering the dream-plants to conjure victims' greatest fears, and unleashed thousands of seeds across unsuspecting worlds.

The Corps paid dearly. Bzzd, the wasp-like Lantern, flew straight through Mongul's eye to break his assault — and died of the effort, whispering "It was an honor to serve with you." His ring passed to Mother Mercy. Mongul was hurled onto the Black Mercy homeworld and buried alive as food for the plants — a fitting end for a tyrant, though in comics, ends are rarely final. Two generations of Mongul, one legacy: the warlord who weaponized fear itself.

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